Method of relay transmission from packet switching domain to channel switching domain and equipment for implementing that method

FIELD: information technology.

SUBSTANCE: if necessary, when switching from a packet switching domain to a channel switching domain, a mobile station receives a relay transmission number, initiates a session request in the channel switching domain, receiving a relay transmission number in form of a call number, and sends a session request in the channel switching domain to the access network of the packet switching domain, which routes the session request in the channel switching domain to the control object of channel switching domain calls. The internetworking communications server, in accordance with the relay transmission number, establishes a connection for session request of the channel switching domain with the initial mobile station session an notifies the mobile station on the need to carry out relay transmission of a radio interface from the packet switching domain to the channel switching domain and the mobile station notifies the internetworking communications server on the need to complete relay transmission from the packet switching domain to the channel switching domain.

EFFECT: simplification of the routing process and reduced cost.

18 cl, 12 dwg

 

The subject of invention

The present invention relates to communication networks, in particular to a method of a relay transmission from the domain of packet switching domain switching channels and equipment for implementing this method.

The level of technology

When coexisting network domain switching channels (QC (CS)and network domain switching packages (CP (PS)), when a mobile station (MS)supporting communication through the domain (QC (CS)), and through the domain (CP (PS)), moves from the edge of the network KP (PS) to the network edge QC (CS), in order to maintain uninterrupted service, you must perform the relay transmission from the domain of CP (PS) domain CC (CS).

In the prior art there are two way relay transmission from the domain of CP (PS) domain CC (CS), one of which is to add an interface A16 to the base station controller (ASC (BSC)in the existing network QC (CS) and performing a relay transmission through the interface A16. The disadvantage of this method is that today the network domain CC (CS) already formed, and such modification will require considerable resources.

As for the other way, then it is the control object of a relay transmission in the domain of CP (PS) simulates the original service in the domain of CC (CS), namely, the first challenge in the domain of CP (PS) switch on the call in the simulated domain CC (CS), and then call switch with level what I object management relay transmission in the domain of CP (PS) domain CC (CS) according to the existing method of a relay call transfer domain CC (CS). This method leads to unnecessary waste of resources; moreover, in this way multi-modal control function (MRFU (MMCF)) requires you to specify the control function media gateway (PUMS (MGCF)to provide an identification code for the channel (ICC (SS)) as a channel relay transfer Protocol mobility (MAR-Protocol), but FANS (MGCF) currently this function is not supported.

The invention

In the present invention discloses a method and equipment for relay transmission from the domain of CP (PS) domain CC (CS), to facilitate the routing process with saving money and reducing the cost.

The present invention is implemented as follows

Way relay transmission from the domain of packet switching (CP (PS)domain switching channels (QC (CS)), contains the following steps:

if necessary, the relay transmission from the domain of CP (PS) domain CC (CS) mobile station (MS) receives the number of the relay transmission, initiates a session request to the domain CC (CS), taking the number of the relay transmission as a called number, and sends the session request to the domain CC (CS) in the access network domain KP, which routes the session request to the domain CC (CS) in the equipment call management domain CC (CS);

gateway interworking (SMSV (IWGW)) according to the number of relay transmission establishes a connection request from the ANSA domain CC (CS) with the original session MS, informs the MS about the need to perform relay transmission of the radio interface from the domain of CP (PS) domain CC (CS); and

MS notifies (SMSV (IWGW)) about the need to complete a relay transmission network side from the domain of CP (PS) domain CC (CS).

System interconnection (SMSV (IWS)for relay transmission from the domain of packet switching (CP (PS)domain switching channels (QC (CS)contains:

the processing module of the calling signal domain CC (CS)designed to process a signal from the caller domain CC (CS) and respectively associated with the access network domain of CP (PS), the object call control domain CC (CS) module and relay domain transfer QC (CS), and

module relay domain transfer QC (CS) is intended for processing and forwarding of the received signal switching domain CC (CS) and respectively associated with the access network domain of CP (PS), the object call control domain CC (CS) and the processing module of the calling signal domain CC (CS).

Network access domain switching packages (CP (PS)) contains:

AP domain of CP (PS); and

the processing module of the calling signal domain CC (CS)designed to process a signal from the caller domain CC (CS) and respectively associated with the access module domain of CP (PS), the object call control domain CC (CS) module and the relay transmission, the house is on the SC (CS);

module relay domain transfer QC (CS)used for processing and forwarding of the received signal switching domain CC (CS) and respectively associated with the access network domain of CP (PS), the object call control domain CC (CS) and the processing module of the calling signal domain CC (CS).

Mobile station (MS), contains:

the module of the first session, dedicated to handling the initial session of the domain of packet switching (CP (PS));

the rendering engine room relay transmission associated with the module of the second session, designed to retrieve non relay transmission;

the module of the second session associated with a rendering engine room relay transmission and is designed to initiate a call in the direction of the network domain switching channels (QC (CS)) through the system of interconnection (SMSV (IWS)in accordance with the number of relay transmission by sending a session request to the domain CC (CS) in the access network domain of CP (PS) for the implementation of routing the session request domain CC (CS) in the equipment call management domain CC (CS);

the processing module relay transmission, designed to perform relay transmission of the radio interface from the domain of CP (PS) domain CC (CS) and to communicate with the gateway interworking (SMSV (IWGW))to SMSV (IWGW) completed a relay transmission with the online side of the domain of CP (PS) domain CC (CS).

When applying the technical solution disclosed in the claimed invention, there is no need to modify existing cell current network domain CC (CS), which leads to savings. The routing process is simplified by modifying routing rules. In addition, for an object control relay transmission eliminates the need for modeling the source domain service QC (CS). There are no new feature requests FUMS (MGCF), resulting for FMU there is no need to give FANS instructions (MGCF) to provide the KIC (CIC) as of MAR-channel relay transmission.

Brief description of drawings

Figure 1 presents the block diagram according to the implementation of the claimed invention;

Figure 2 presents a structural diagram showing the state before the relay transmission from the domain of CP (PS) domain CC (CS) according to the implementation of the claimed invention;

Figure 3 presents a structural diagram showing the state of a call domain CC (CS) according to the implementation of the claimed invention;

4 shows a structural diagram showing the state after install channel relay domain transfer QC (CS) according to the implementation of the claimed invention;

Figure 5 presents a structural diagram showing the state after the relay transfer the domain CP (PS) domain CC (CS) according to the implementation of the claimed invention;

Figure 6 presents a structural diagram showing the structure of the network, when the domain of CP (PS) directly models the network access domain CC (CS) according to the implementation of the claimed invention;

Figure 7 presents a structural diagram showing the structure of the network, when the system interconnect models the network access domain CC (CS) according to the implementation of the claimed invention;

On Fig presents a block diagram of signal transmission according to the first embodiment of the present invention;

Figure 9 presents a block diagram of signal transmission according to the second embodiment of the present invention;

Figure 10 presents a block diagram of signal transmission according to the third embodiment of the present invention;

Figure 11 presents a block diagram of signal transmission according to the fourth embodiment of the present invention;

On Fig presents a block diagram of signal transmission according to the fifth embodiment of the present invention.

Detailed disclosure of embodiments

To clearer and clearer to explain the purpose, technical solution and advantages of the claimed invention, further, it is disclosed in detail with reference to options and on the accompanying drawings.

Figure 1 is a block diagram according to the implementation of the declared image is the shadow.

Step S1: network access (DM) instructs the mobile station (MS) to perform a relay process of the transfer.

Step S2: the MS receives the relay number transfer.

Step S2 can be performed in three ways:

S2-1: the MS generates a number of a relay transmission and notifies the network side about this room, for example, MS can be formed by converting the address of the Internet Protocol (IP) address in dotted-decimal format and adding the converted address special prefix.

S2-2: the MS sends the application to the network side, and object level control relay transmission selects the number of relay transfers for the MS and sends the specified number of MS.

S2-3: the number of relay transfers for MS determined statically.

Step S3: the MS receives the relay number pass as the called number and initiates a call request to the Central network domain CC (CS) through the simulated network access domain CC (CS).

Step S3 may be performed in two ways:

S3-1: the MS sends the initial call request to the network access domain CP (PS); access network domain of CP (PS) directly models the network interface access domain CC (CS) and starts the initial call request in the direction of the object call control domain CC (CS), such as a Central mobile switching (CMK (MSC)). Specific network structure for implementing this method, p is redstavlena figure 6.

S3-2: MS sends the initial call request to the system interconnection (SMSV (IWE)); CMCB (IWS) simulates the network access domain CC (CS) and sends the initial request call object call control domain CC (CS). Specific network structure for implementing this method is shown in Fig.7.

Step S4: according to the information in the session request domain CC (CS) network side sets the communication request call with the original call MILLISECONDS.

Step S4 may be performed in three ways:

S4-1: if the number of relay transmission assigned to the MS, as disclosed in step S2-1, CMK (MSC) before routing the call will route the request session object level control relay transmission, such as a gateway interworking (SMSV (IWGW)). As MS generates number relay transmission independently and notifies the network side in step S2-1, SMSV (IWGW) establishes a communication session request to the original challenge according to the notification sent by the mobile station (MS), and routes the session request to the domain of CP (PS), replacing the called number called number of the original call. Alternatively, routing the session request in the domain of CP (PS) can be performed directly CMK (MSC).

S4-2: if the relay transmission allocated by the network, as disclosed in step S2-2, SSC (MSC) directly will the bat routing the session request in the domain of CP (PS) according to the number of relay transmission; then the function call control and session (FOVS (CSCF)in the domain of CP (PS) will route the call to the object level control relay transmission, such as SMSW (IWGW); and established communication session request to the original challenge, because SMSW (IWGW) identified by the phone number.

S4-3: if the number of relay transmission in advance statically defined, as disclosed in step S2-3, CMK (MSC) will send the call directly to the domain of CP (PS); network domain of CP (PS) will route the call to the object level control relay transmission, such as SMSW (IWGW), and SMSW (IWGW) connects the call with the original call according to the called number.

Step S5: when you finish connecting the caller to the domain CC (CS) network side sends to the MS team relay transmission to inform the MS about the need to perform relay transmission of the radio interface from the domain of CP (PS) domain CC (CS).

Step S5 may be performed in two ways:

S5-1: in accordance with step S3-1 after the connection of the caller between the network access domain CP (PS) and control function calls (CMK (MSC) domain CC (CS) is completed, access network domain of CP (PS) before sending it to MS team at the relay transmission will send a request for relay transmission in CMK (MSC), after which the MS starts a relay transmission of the radio interface in accordance with the su is stoysin mechanism relay transmission.

S5-2: in accordance with step S3-2 SMSW (IWS) simulates the network access domain CC (CS). After the connection of the caller completed, SMSV (IWS) asks MS relevant information for the relay transmission, and then simulates the network access domain CC (CS)to send a request for relay transmission in CMK (MSC) before sending it to MS team at the relay transmission, after which the MS starts a relay transmission of the radio interface in accordance with the existing mechanism for the relay transmission.

Step S6: the MS notifies the network side about the need to complete the relay transmission network side from the domain of CP (PS) domain CC (CS).

Step S6 may be performed in two ways:

S6-1: upon completion of the setting of the destination channel, the network side sends to the MS team at the relay transmission and will give MS the command to switch to the destination channel; after receiving the command at the relay transmission of the MS sends a notification about the beginning of the switch to the object level control relay transmission, and then finishes the relay transmission of the radio interface in accordance with the existing mechanism relay domain transfer QC (CS); after receiving the notification of the start switch object level control relay transmission will bind session request to the domain CC (CS) with the original session, so end the Ute relay transmission network side with domain KP (PS) domain CC (CS).

S6-2: after setting the destination channel, the network side sends to the MS team at the relay transmission and MS gives the command to switch to the destination channel; after the relay transmission to the destination channel, the MS notifies the network access domain CP (PS) on the need for disconnection of the source line. MS may send to the network domain of CP (PS) data packet with the notification of the completion of a relay transmission at a certain time before step S5; network access domain CP (PS) and the network object modeling network access domain CC (CS), store the data packet and expect the team to the disconnection of the source line; when the network access domain CP (PS) or network object modeling network access domain CC (CS), receives a command to disconnect the source of the communication line, the data packet forwards on the object level control relay transmission; object level control relay the transmission connects the original session request of the session domain CC (CS), thus completing the relay transmission network side from the domain of CP (PS) domain CC (CS).

Figure 2-5 is a structural diagram illustrating the state of the network by performing the steps shown in figure 1.

Figure 2-5 bold lines indicate the exchange of content and the subtle exchange of signals. "Content" means the content between the two parties exchanging information is to her. For example, the content is voice during a telephone call; the exchange of signals is used to establish the logical connections necessary to transfer the content of the interaction. Assume that the remote node that communicates with MS, requiring a relay transmission is in the domain of CP (PS). In addition, the gateway connecting the domain of CP (PS) domain and CC (CS)contains a media gateway (MGW) and FANS (MGCF), as shown in Fig.6 and 7, the media gateway (MGW) is the gateway for content linking domain of CP (PS) domain and the SC (CS), and FANS (MGCF) - the gateway to the signals connecting the domain of CP (PS) domain and CC (CS).

The state of the network before performing the relay transmission is shown in figure 2, it is seen that MS will be switching performs only share content with the remote node via the network access domain CP (PS). MS performs the exchange of signals with the network access domain CP (PS) to establish a logical connection is needed to transfer the content of the interaction between the MS and the network access domain CP (PS); object call control domain of CP (PS) exchanges signals with the remote node, and the network access domain CP (PS) to establish a logical connection to transfer the content of the interaction between the remote node and the access network domain of CP (PS).

After the start relay transfer first establish a logical relationship for p is renosa content of interaction between the gateway, connecting the domain of CP (PS) domain and the SC (CS), and the object of the call control domain CC (CS), as shown in Figure 3. Object call control domain CC (CS) communicates with the access network domain of CP (PS)to send the call request to a gateway that connects the domain of CP (PS) domain and CC (CS). The gateway that connects the domain of CP (PS) domain and the SC (CS), performs the exchange of signals with the object call control domain of CP (PS) and sends to the object call control domain CC (CS) response to the call request. Thus, between the object call control domain CC (CS) and the gateway connecting the domain CC (CS) domain and the CP (PS), establish a logical connection to transfer content interaction. It should be noted that installing only the logical connection to transfer content interaction without any actual transfer of the content.

Then the object call control domain CC (CS) communicates with the network access domain CC (CS), in the access network domain CC (CS) terminates the connection to the caller in the session domain CC (CS), as shown in Figure 4. It should be noted that installing only the logical connection to transfer content interaction without any actual transfer of the content.

Structural diagram of the network after relay transmission shown in figure 5. Object call control domain of CP (PS) interacting the remote node, and with the gateway that connects the domain of CP (PS) domain and CC (CS). Because MS is switched on domain CC (CS), the exchange of signals between the MS and the network access domain CP (PS) is missing; there is no exchange of signals between the network access domain CP (PS) and the object management challenges of the domain of CP (PS). It is seen that after the relay transmission MS no longer communicates with remote nodes through the network access domain CP (PS), and performs the exchange of content with remote sites in the domain of CP (PS), in turn, via the network access domain CC (CS), the object call control domain CC (CS) and the gateway that connects the domain of CP (PS) domain and CC (CS).

You can get a few preset options by combining at each step of the above methods. This method according to the claimed invention will be disclosed hereinafter with reference to five options.

Option 1, carried out in accordance with Fig.

In this embodiment, the network side allocates the number of relay transmission. When the relay transmission of the radio interface, the network side sends to the network a notification about the beginning of a relay transmission to complete a relay transmission from the domain of CP (PS) domain CC (CS); this option contains the following steps:

101. Determining that the MS is subject to switching on the domain CC (CS), network access (DM) sends to MS CSNA message to the AMB MS command to perform relay transmission.

102. MS sends a SIP message "MESSAGE" ("Message") system access/ request/ maintenance FOVS (L/C/ABOUT-FUS (P/I/S-CSCF))to notify the network of CP (PS) that the MS wants to perform a relay process of the transfer.

103. To divert this SIP message, "MESSAGE" on SMSW (IWGW) in accordance with the rules of the iFC trigger D/C/ABOUT-FUS (P/I/S-CSCF).

104: SMSW (IWGW) returns in D/W/O-FUS (P/I/S-CSCF) SIP message "200 OK", containing a special issue of a relay transmission "HANDOFF NUMBER".

105. D/C/ABOUT-FUS (P/I/S-CSCF) forwards this SIP message "200 OK" in MILLISECONDS.

106. As a response to the first CSNA message to the MS initiates a call by sending CSNA message with the content "Origination" ("Beginning").

107. DM creates a request message services connection management (CA (CM)) in respect of CSNA-message "Start" and sends the request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

As described above, in step S3, the MS may send an initial call request object modelling the access network domain CC (CS), i.e. in SMSV (IWS); SMSW (IWS) simulates the network access QC (CS) and sends the initial request call object call control domain CC (CS), i.e., CMK (MSC). In this situation, the step 107 should be amended to read:

DM forwards CSNA-message received in step 106, SMSV (IWS). SMSW (IWS) creates a request message services MUSTACHE (CM) relative to the CSNA message "Beginning" and the PE headerset request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

108. CMK (MSC) initiating an outgoing call, aimed at FANS (MGCF), where the called number is a special number relay transmission "HANDOFF NUMBER".

109. CMK (MSC) during the execution of step 108 sends a DM message about the appointment.

If there SMSW (IWS) CMK (MSC) sends a message about the appointment SMSW (IWS).

110. Receiving notice of appointment, DM without establishing radio just returns a completion message to the destination.

If there SMSW (IWS) step 110 must be changed as follows

After receiving the message destination, SMSV (IWS) simply returns a completion message to the destination without installing the radio.

111. DM sends a message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

If there SMSW (IWS) step 111 need to change as follows.

SMSW (IWS) sends the message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

Steps 112-115 - steps in the existing process relay domain transfer QC (CS).

If there SMSW (IWS) CMK (MSC) in step 114 sends a message "BUT COMMAND ("Command " EP") in SMSV (IWS). Having received the message "BUT COMMAND ("Command " EP"), SMSV (IWS) creates a message Handoff Direction Message" ("Message about the direction of relay transmission according to the received message, and then the village who barks this "Handoff Direction Message ("Message of the direction relay transmission") in the Board of Directors; DM at step 115 forwards "Handoff Direction Message ("Message of the direction relay transmission") in MILLISECONDS.

116. FANS (MGCF sends in O-FUS (S-CSCF) SIP message "INVITE" with the number of relay transmission and SDP content-A.

117. On-FUS (S-CSCF) forwards the SIP message "INVITE" in SMSV (IWGW).

118. SMSW (IWGW) confirms the number of the relay transmission, independently selected gateway SMSW (IWGW) and delivered to the SIP message "INVITE", finds an existing session, corresponding to the number of relay transmission, and then returns a SIP message "180" without SDP content in ON-FUS (S-CSCF).

119. On-FUS (S-CSCF) forwards the SIP message "180" FANS (MGCF).

120. In response to the step 108 FANS (MGCF sends in CMK (MSC) ACM message subsystem user ISDN (ISUP).

121. After receiving the message with the instructions of the relay transmission, the MS will send a SIP message "MESSAGE" ("Message")to notify D/C/ABOUT-FUS (P/I/S-CSCF) that you want to start a relay transmission of the radio interface.

Steps 122-125 reveal the process of a relay transmission of the radio interface after the existing process relay domain transfer QC (CS).

126. D/C/ABOUT-FUS (P/I/S-CSCF) forwards the received SIP message "MESSAGE" ("Message") on SMSW (IWGW).

127. SMSW (IWGW) sends a SIP message "200 OK" in D/W/O-FUS (P/I/S-CSCF) as a response to the SIP message "MESSAGE" ("Message").

128. SMSW (IWGW) sends a SIP message "reINVITE with SDP content-A O-FUS (S-CSCF).

129. On-FUS (S-CSC) forwards this message to the remote node, and the remote node replaces the recorded content SDP to SDP-A.

130. The remote node returns the content of the SDP-B, which may differ from the content of SDP in the previous session, SMSV (IWGW)by sending a SIP message "200 OK" in my FOVS (S-CSCF).

131. O-FUS (S-CSCF) forwards this SIP message "200 OK" in SMSV (IWGW).

132. SMSW (IWGW) sends a SIP message 200 OK with SDP content-B O-FUS (S-CSCF) to end the session initiated in step 117.

133. O-FUS (S-CSCF) forwards this SIP message "200 OK" in FUMS (MGCF).

134. FANS (MGCF) sends an ANM message in CMK (MSC)to end the session domain CC (CS).

135. FANS (MGCF sends a SIP message "ACK" in O-FUS (S-CSCF).

136. O-FUS (S-CSCF) forwards this SIP message "ACK" in SMSV (IWGW).

137. SMSW (IWGW) sends a SIP message "ACK" in O-FUS (S-CSCF).

138. O-FUS (S-CSCF) forwards this SIP message "ACK" to the remote host.

139. SMSW (IWGW) sends a SIP message "BYE" in D/W/O-FUS (P/I/S-CSCF)to initiate the separation process of the original call.

140. D/C/ABOUT-FUS (P/I/S-CSCF) SIP returns message "200 OK" on SMSW (IWGW) to complete the removal of the call.

According to Figure 1 step S1 in this embodiment, complete step 101;

according to Figure 1 step S2 in this embodiment, complete the steps 102-105;

according to Figure 1 step S3 in this embodiment, complete the steps 106, 107, 109, and 110;

according to Figure 1 step S4 in this embodiment, complete step 108, is also steps 116-120;

according to Figure 1 step S5 in this embodiment, complete the steps 111-115, as well as steps 122 -125;

according to Figure 1 step S6 in this embodiment, complete step 121, and the steps 126-140.

Option 2 made in accordance with the Fig.9.

In this embodiment, the number of the relay to perform relay transmission from the domain of CP (PS) domain CC (CS) for MS statically allocate; the specified version contains the following steps:

201. Determining that the MS is subject to switching on the domain CC (CS), DM sends to MS CSNA message to give MS a command to perform relay transmission.

202. MS sends a SIP message "MESSAGE" ("Message") D/C/ABOUT-FUS (P/I/S-CSCF), and the following steps 202-204 are optional.

203. To divert this SIP message, "MESSAGE" on SMSW (IWGW) in accordance with the rules of the iFC trigger D/C/ABOUT-FUS (P/I/S-CSCF).

204. SMSW (IWGW) writes the event to the relay transmission and returns a SIP message "200 OK".

205. D/C/ABOUT-FUS (P/I/S-CSCF) forwards this SIP message "200 OK" in MILLISECONDS.

206. As a response to the first CSNA message to the MS initiates a call by sending CSNA message with the content "Origination" ("Beginning"). This step can be performed together with step 202.

207. DM creates a request message services connection management MUSTACHE (CM) in relation to the CSNA message "Start" and sends the request message us the iGO CA (CM) SSC (MSC) in the domain of CC (CS).

As described above, in step 3, the MS may send an initial call request object modelling the access network domain CC (CS), i.e. in SMSV (IWS); SMSW (IWS) simulates the network access QC (CS) and sends the initial request call object call control domain CC (CS), i.e., CMK (MSC). In this situation, step 207 should be changed as follows:

DM forwards CSNA-message received in step 206, SMSV (IWS). SMSW (IWS) creates a request message services MUSTACHE (CM) relative to the CSNA message "Start" and forwards the request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

208. CMK (MSC) initiating an outgoing call, aimed at FANS (MGCF), where the called number is a special number relay transmission "HANDOFF NUMBER".

209. CMK (MSC) during the execution of step 208 sends a DM message about the appointment.

If there SMSW (IWS) CMK (MSC) will send a message about the appointment SMSW (IWS).

210. Receiving notice of appointment, DM without establishing radio just returns a completion message to the destination.

If there SMSW (IWS) step 210 should be amended to read

After receiving the message destination, SMSV (IWS) simply returns a completion message to the destination without establishing a radio channel.

211. DM sends a message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

the ith SMSW (IWS) step 211 should be amended to read

SMSW (IWS) sends the message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

Steps 212-215 are steps in the existing process relay domain transfer QC (CS).

If there SMSW (IWS) at step 214 CMK (MSC) sends a message "BUT COMMAND ("Command " EP") in SMSV (IWS). Having received the message "BUT COMMAND ("Command " EP"), SMSV (IWS) creates a message Handoff Direction Message" ("Message about the direction of relay transmission according to the received message, and then sends the Handoff Direction Message ("Message of the direction relay transmission") in DM; DM at step 215 forwards "Handoff Direction Message ("Message of the direction relay transmission") in MILLISECONDS.

216. FANS (MGCF sends in O-FUS (S-CSCF) SIP message "INVITE" with the number of relay transmission and SDP content-A.

217. O-FUS (S-CSCF) forwards this SIP message "INVITE" in SMSV (IWGW).

218. SMSW (IWGW) confirms the number of the relay transmission, independently selected gateway SMSW (IWGW) and delivered via a SIP message INVITE, detects an existing session, corresponding to the number of relay transmission, and then returns a SIP message 180 without SDP content in O-FUS (S-CSCF).

219. O-FUS (S-CSCF) forwards this SIP message "180" FANS (MGCF).

220. In response to the step 208 FANS (MGCF sends in CMK (MSC) of the AFM message subsystem user ISDN (ISUP).

221. Received message is compared with the indications of a relay transmission, MS sends a SIP message "MESSAGE" ("Message") to notify D/C/ABOUT-FUS (P/I/S-CSCF) that you want to start a relay transmission of the radio interface.

Steps 222-225 reveal the process of a relay transmission of the radio interface after the existing process relay domain transfer QC (CS).

226. D/C/ABOUT-FUS (P/I/S-CSCF) forwards the received SIP message "MESSAGE" ("Message") on SMSW (IWGW).

227. SMSW (IWGW) sends a SIP message "200 OK" in D/W/O-FUS (P/I/S-CSCF) as a response to the SIP message "MESSAGE" ("Message").

228. SMSW (IWGW) sends a SIP message "reINVITE" O-FUS (S-CSCF) SDP content-A.

229. O-FUS (S-CSCF) forwards this message to the remote node and the remote node replaces the recorded content SDP to SDP-A.

230. The remote node returns the content of the SDP-B, which may differ from the content of SDP in the previous session, SMSV (IWGW) sending a SIP message "200 OK" in O-FUS (S-CSCF).

231. O-FUS (S-CSCF) forwards this SIP message "200 OK" in SMSV (IWGW).

232. SMSW (IWGW) sends a SIP message 200 OK with SDP content-B-O-FUS (S-CSCF) to end the session initiated in step 217.

233. O-FUS (S-CSCF) forwards this SIP message "200 OK" in FUMS (MGCF).

234. FANS (MGCF) sends an ANM message in CMK (MSC)to end the session domain CC (CS).

235. FANS (MGCF sends a SIP message "ACK" in O-FUS (S-CSCF).

236. O-FUS (S-CSCF) forwards this SIP message "ACK" in SMSV (IWGW).

237. SMSW (IWGW) sends a SIP ACK" O-FUS (S-CSCF).

238. O-FUS (S-CSCF) forwards this SIP message "ACK" to the remote host.

239. SMSW (IWGW) sends a SIP message "BYE" in D/W/O-FUS (P/I/S-CSCF)to initiate the separation process of the original call.

240. D/C/ABOUT-FUS (P/I/S-CSCF) SIP returns message "200 OK" on SMSW (IWGW) to complete the removal of the call.

If we turn to Figure 1, the presented step S1 is completed step 201 in this version.

Step S2 according to Fig 1 completed steps 202-205 are in this version;

Step S3 according to Fig 1 is completed by steps 206, 207, 209, and 210 in this embodiment;

Step S4 according to Figure 1 completed step 208, and the steps 216-220 in this embodiment;

Step 85 according to Fig 1 completed steps 211 to 215, and the steps 222-225 in this embodiment;

Step 86 according to Fig 1 completed step 221, and the steps 226-240 in this version.

Option 3 made in accordance with Figure 10.

In this embodiment, the network side allocates the number of relay transmission and network access domain CP (PS) stores and forwards the notification of the completion of a relay transmission, and this completes the relay transmission with the CP (PS) QC (CS). This option contains the following steps:

301. Determining that the MS must be switched domain CC (CS), SD, sends to MS CSNA message to give MS a command to perform relay transmission.

302. What with sending the SIP message "MESSAGE" ("Message") system access/request/maintenance FOVS (L/C/ABOUT-FUS (P/I/S-CSCF)), to notify the network of CP (PS) that the MS wants to perform a relay process of the transfer.

303. To divert this SIP message "MESSAGE" ("Message") on SMSW (IWGW) in accordance with the rules of the iFC trigger D/C/ABOUT-FUS (P/I/S-CSCF).

304: SMSW (IWGW) returns in D/W/O-FUS (P/I/S-CSCF) SIP message "200 OK", containing a special issue of a relay transmission "HANDOFF NUMBER".

305. D/C/ABOUT-FUS (P/I/S-CSCF) forwards this SIP message "200 OK" in MILLISECONDS.

306. As a response to the first CSNA message to the MS initiates a call by sending CSNA message with the content "Origination" ("Beginning").

A. MS creates the SIP message "MESSAGE" ("Message")indicating the completion of a relay transmission, and sends this message to DM; DM stores the message and waits for CMK (MSC) messages with the command end.

307. DM creates a request message services connection management (CA (CM)) in respect of CSNA-message "Start" and sends the request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

As described above, in step 3, the MS may send an initial call request object modelling the access network domain CC (CS), i.e. in SMSV (IWS); SMSW (IWS) simulates the network access QC (CS) and sends the initial request call object call control domain CC (CS), i.e., CMK (MSC). In this situation, step 307 should be changed as follows:

DM forwards CSNA message, the floor is obtained in step 306, in SMSV (IWS). SMSW (IWS) creates a request message services MUSTACHE (CM) relative to the CSNA message "Start" and forwards the request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

308. CMK (MSC) initiating an outgoing call, aimed at FANS (MGCF), where the called number is a special number relay transmission "HANDOFF NUMBER".

309. CMK (MSC) during the execution of step 308 sends a DM message about the appointment.

If there SMSW (IWS) CMK (MSC) sends a message about the appointment SMSW (IWS).

310. Receiving notice of appointment, DM without establishing radio just returns a completion message to the destination.

If there SMSW (IWS) step 310 need to change as follows

Receiving notice of appointment, SMSV (IWS) simply returns a completion message to the destination without establishing a radio channel.

311. DM sends a message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

If there SMSW (IWS) step 311 need to change as follows

SMSW (IWS) sends the message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

Steps 312-315 are steps in the existing process relay domain transfer QC (CS).

If there SMSW (IWS) step 314 CMK (MSC) sends a message "BUT COMMAND ("Command " EP") in SMSV (IWS). The floor is Yves message "BUT COMMAND ("Command " EP"), SMSW (IWS) creates a message Handoff Direction Message according to the received message, and then sends a Handoff Direction Message ("Message of the direction relay transmission") in DM; DM at step 315 forwards "Handoff Direction Message ("Message of the direction relay transmission") in MILLISECONDS.

316. FANS (MGCF sends in O-FUS (S-CSCF) SIP message "INVITE" with the number of relay transmission and SDP content-A.

317. O-FUS (S-CSCF) forwards the SIP message "INVITE" in SMSV (IWGW).

318. SMSW (IWGW) confirms the number of the relay transmission, independently selected gateway SMSW (IWGW) and delivered to the SIP message "INVITE", finds an existing session, corresponding to the number of relay transmission, and then returns a SIP message 180 without SDP content in O-FUS (S-CSCF).

319. O-FUS (S-CSCF) forwards the SIP message "180" FANS (MGCF).

320. In response to the step 308 FANS (MGCF sends in CMK (MSC) ACM message subsystem user ISDN (ISUP).

321-324. MS begins the process of a relay transmission of the radio interface to complete the subsequent process of a relay transmission corresponding to the steps 312-315.

325. Having received the message "CLEAR COMMAND" ("the separation"), DM forwards the SIP message "MESSAGE" ("Message")that you saved in step a, which is used to inform D/C/ABOUT-FUS (P/I/S-CSCF) that the relay transmission of the radio interface is completed.

326. D/C/ABOUT-FUS (P/I/S-CSCF) forwards the received SIP message" ("Message") on SMSW (IWGW).

327. SMSW (IWGW) sends a SIP message "200 OK" in D/W/O-FUS (P/I/S-CSCF) as a response to the SIP message "MESSAGE" ("Message").

328. SMSW (IWGW) sends in O-FUS (S-CSCF) SIP message "reINVITE with SDP content-A.

329. O-FUS (S-CSCF) forwards the message to the remote node and the remote node replaces the recorded content SDP to SDP-A.

330. The remote node returns the content of the SDP-B, which may differ from the content of SDP in the previous session, on SMSW (IWGW)by sending a SIP message "200 OK" in O-FUS (S-CSCF).

331. O-FUS (S-CSCF) forwards the SIP message "200 OK" in SMSV (IWGW).

332. SMSW (IWGW) sends a SIP message 200 OK with SDP content-B-O-FUS (S-CSCF)to end the session initiated in step 317.

333. O-FUS (S-CSCF) forwards this SIP message "200 OK" in FUMS (MGCF).

334. FANS (MGCF) sends an ANM message in CMK (MSC)to end the session domain CC (CS).

335. FANS (MGCF sends a SIP message "ACK" in O-FUS (S-CSCF).

336. O-FUS (S-CSCF) forwards the SIP message "ACK" in SMSV (IWGW).

337. SMSW (IWGW) sends a SIP message "ACK" in O-FUS (S-CSCF).

338. O-FUS (S-CSCF) forwards the SIP message "ACK" to the remote host.

339. SMSW (IWGW) sends a message to a SIP message "BYE" in D/W/O-FUS (P/I/S-CSCF)to initiate the separation process of the original call.

340. D/C/ABOUT-FUS (P/I/S-CSCF) SIP returns message "200 OK" on SMSW (IWGW), to complete the removal of the call.

If we turn to Figure 1, the presented step S1 is completed step 301 in question is version.

Step S2 according to Fig 1 completed steps 302-305 in this embodiment;

Step S3 according to Fig 1 completed steps 306, 307, 309 and 310 in this embodiment;

Step S4 according to Figure 1 completed step 208, and the steps 316-320 in this embodiment;

Step S5 according to Figure 1 completed steps 311-315, as well as steps 321-324 in this embodiment;

Step S6 according to Figure 1 completed step a and steps 325-340 in this version.

Option 4 made in accordance with 11.

In this embodiment, the MS generates a number of a relay transmission, and the network side initiates the separation process of the original call, then a relay transmission from the domain of CP (PS) domain CC (CS) complete; this version contains the following steps.

401. Determining that the MS is subject to switching on the domain CC (CS), DM sends to MS CSNA message to give MS a command to perform relay transmission.

402. MS generates number relay transmission "BUT NUMBER1" and sends this number relay transmission in D/W/O-FUS (P/I/S-CSCF) via a SIP message "MESSAGE" ("Message")to notify the network domain of CP (PS)that you want to start a relay transmission. Room relay transmission can be formed by converting the IP address in decimal format with the addition of the converted address special fields.

403. D/C/ABOUT-FUS (P/I/S-CSCF actuate to divert this SIP message "MESSAGE" ("Message") in SMSV (IWGW) in accordance with the rules of the iFC.

404: SMSW (IWGW) returns in D/W/O-FUS (P/I/S-CSCF) SIP message "200 OK".

405. D/C/ABOUT-FUS (P/I/S-CSCF) forwards this SIP message "200 OK" in MILLISECONDS.

406. As a response to the first CSNA message to the MS initiates a call by sending CSNA message with the content "Origination" ("Beginning"), in which the called number is the number of the relay transmission "BUT NUMBER1". This step can be performed together with step 402.

406a. MS creates the SIP message "MESSAGE" ("Message")indicating the completion of a relay transmission, and sends this message to DM; DM remembers this message and expects CMK (MSC) message "CLEAR COMMAND" ("the separation").

407. DM creates a request message services MUSTACHE (CM) in relation to the CSNA message "Start" and sends the request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

As described above, in step 3, the MS may send an initial call request object modelling the access network domain CC (CS), i.e. SMSW (IWS); SMSW (IWS) simulates the network access QC (CS) and sends the initial request call object call control domain CC (CS), i.e., CMK (MSC). In this case, the step 407 need to change as follows.

DM forwards CSNA-message received in step 406, in SMSV (IWS). SMSW (IWS) creates a request message services MUSTACHE (CM) in relation to the CSNA message "Start" and forwards the request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

48. CMK (MSC) initiating an outgoing call, aimed at FANS (MGCF), where the called number is a special number relay transmission "HANDOFF NUMBER".

A. SMSW (IWGW) finds an existing session, the corresponding number of a relay transmission "HONUMBER1", and returns the number of the relay transmission "BUT NUMBER2"sending reply MAR-message "ORREQ" in CMK (MSC).

408b. CMK (MSC) initiating an outgoing call, aimed at FANS (MGCF), where the called number is the number of the relay transmission "HANDOFF NUMBER2".

409. CMK (MSC) during step 408 sends a DM message about the appointment.

If there SMSW (IWS) CMK (MSC) sends in SMSV (IWS) message destination.

410. Receiving notice of appointment, DM without establishing radio just returns a completion message to the destination.

If there SMSW (IWS) step 410 change as follows.

Receiving notice of appointment, SMSV (IWS) simply returns a completion message without providing the establishment of the radio channel.

411. DM sends a message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

If there SMSW (IWS) step 411 change as follows:

SMSW (IWS) sends the message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

Steps 412-415 are steps are the process of a relay domain transfer QC (CS).

If there SMSW (IWS) step 414 CMK (MSC) sends a message "BUT COMMAND ("Command " EP") in SMSV (IWS). Having received the message "BUT COMMAND ("Command " EP"), SMSV (IWS) creates a message Handoff Direction Message according to the received message, and then sends a Handoff Direction Message ("Message of the direction relay transmission") in DM; DM at step 415 forwards the "Handoff Direction Message ("Message of the direction relay transmission") in MILLISECONDS.

416. FANS (MGCF sends in O-FUS (S-CSCF) SIP message "INVITE" with the number of relay transmission "BUT NUMBER2" and SDP content-A.

417. O-FUS (S-CSCF) forwards this SIP message "INVITE" in SMSV (IWGW).

418. SMSW (IWGW) confirms the number of the relay transmission "HANDOFF NUMBER2", independently selected gateway SMSW (IWGW) and delivered via a SIP message INVITE, finds an existing session corresponding to the given number, relay transmission, and then returns a SIP message 180 without SDP content in O-FUS (S-CSCF).

419. O-FUS (S-CSCF) forwards this SIP message "180" FANS (MGCF).

420. In response to the step 408 FANS (MGCF sends the ACM message subsystem user ISDN (ISUP) in CMK (MSC).

421-424. MS begins the process of a relay transmission of the radio interface to complete the subsequent process of a relay transmission corresponding to the steps 412-415.

425. Having received the message "CLEAR COMMAND" ("the separation"), DM forwards the SIP message "MESSAGE" ("Message")stored n the step 406a, which are used to inform D/C/ABOUT-FUS (P/I/S-CSCF) that the relay transmission of the radio interface is completed.

426. D/C/ABOUT-FUS (P/I/S-CSCF) forwards the received SIP message "MESSAGE" ("Message") on SMSW (IWGW).

427. SMSW (IWGW) sends a SIP message "200 OK" in D/W/O-FUS (P/I/S-CSCF) as a response to the SIP message "MESSAGE" ("Message").

428. SMSW (IWGW) sends in O-FUS (S-CSCF) SIP message "reINVITE with SDP content-A.

429. O-FUS (S-CSCF) forwards the message to the remote node and the remote node replaces the recorded content SDP to SDP-A.

430. The remote node returns the content of the SDP-B, which may differ from the content of SDP in the previous session, on SMSW (IWGW)by sending a SIP message "200 OK" in O-FUS (S-CSCF).

431. O-FUS (S-CSCF) forwards the SIP message "200 OK" in SMSV (IWGW).

432. SMSW (IWGW) sends a SIP message 200 OK with SDP content-B-O-FUS (S-CSCF)to end the session initiated in step 417.

433. O-FUS (S-CSCF) forwards the SIP message "200 OK" in FUMS (MGCF).

434. FANS (MGCF) sends an ANM message in CMK (MSC)to end the session domain CC (CS).

435. FANS (MGCF sends a SIP message "ACK" in O-FUS (S-CSCF).

436. O-FUS (S-CSCF) forwards this SIP message "ACK" in SMSV (IWGW).

437. SMSW (IWGW) sends a SIP message "ACK" in O-FUS (S-CSCF).

438. O-FUS (S-CSCF) forwards this SIP message "ACK" to the remote host.

439. SMSW (IWGW) sends a SIP message "BYE" in D/W/O-FUS (P/I/S-CSCF)to initiate the process of RA is Yedinaya the source of the call.

440. D/C/ABOUT-FUS (P/I/S-CSCF) SIP returns message "200 OK" on SMSW (IWGW), to complete the removal of the call.

If we turn to Figure 1, the presented step S1 is completed step 401 in this version.

Step S2 according to Fig 1 completed steps 402-405 in this embodiment;

Step S3 according to Fig 1 completed steps 406, 407, 409 and 410 in this embodiment;

Step S4 according to Figure 1 completed step 408, a or 408b, and steps 416-420 in this embodiment;

Step S5 according to Figure 1 completed steps 411-415, as well as steps 421-424 in this embodiment;

Step S6 according to Figure 1 completed step 406a, as well as steps 425-440 in this version.

Option 5 is carried out in accordance with Fig.

In this embodiment, the MS generates a number of a relay transmission and initiates the process of separation of the original call, then a relay transmission from the domain of CP (PS) domain CC (CS) end; this option contains the following steps.

501. Determining that the MS should be switched to the domain CC (CS), DM sends to MS CSNA message, giving MS a command to perform relay transmission.

502. MS generates number relay transmission "BUT NUMBER1" and sends this number relay transmission in D/W/O-FUS (P/I/S-CSCF) via a SIP message "MESSAGE" ("Message")to notify the network domain of CP (PS) that we should start relay transmission Room relay transmission can be formed by converting the IP address in decimal format with the addition of the converted address special fields.

503. Trigger D/C/ABOUT-FUS (P/I/S-CSCF) for forwarding SIP messages "MESSAGE" ("Message") in SMSV (IWGW) in accordance with the rules of the iFC.

504: SMSW (IWGW) returns the SIP message "200 OK" in D/W/O-FUS (P/I/S-CSCF).

505. D/C/ABOUT-FUS (P/I/S-CSCF) forwards the SIP message "200 OK" in MILLISECONDS.

506. As a response to the first CSNA message to the MS initiates a call by sending CSNA message with the content "Origination" ("Beginning"), in which the called number is the number of the relay transmission "BUT NUMBER1". This step can be performed together with step 502.

A. MS creates the SIP message BYE (cause=handoff complete)" ("BYE (reason=shutdown relay transmission)")containing an indication of completion of a relay transmission, and sends a message to DM; DM stores the message and waits for CMK (MSC) message "CLEAR COMMAND" ("the separation").

507. DM creates a request message services MUSTACHE (CM) in relation to the CSNA message "Origination" ("Beginning") and sends a request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

As described above, in step 3, the MS may send an initial call request object modelling the access network domain CC (CS), i.e. in SMSV (IWS); SMSW (IWS) simulates the network access QC (CS) and sends the initial request call object call control domain CC (CS), i.e., CMK (MSC). In this case, the step 507 change as follows.

DM forwards CSNA-message received in step 506, in SMSV (IWS). With the SV (IWS) creates a request message services MUSTACHE (CM), associated with CSNA message "Origination" ("Beginning"), and sends a request message services MUSTACHE (CM) SSC (MSC) in the domain of CC (CS).

508. CMK (MSC) initiating an outgoing call in FANS (MGCF), where the called number is a special number for the relay transmission, "HANDOFF NUMBER".

A. SMSW (IWGW) finds an existing session, corresponding to the number of relay transmission "BUT NUMBER1", and returns "BUT NUMBER2"sending reply MAR-message "ORREQ" in CMK (MSC).

508b. CMK (MSC) initiating an outgoing call, aimed at FANS (MGCF), where the called number is "HANDOFF NUMBER2".

509. CMK (MSC) during step 508 sends a DM message about the appointment.

If there SMSW (IWS) CMK (MSC) sends a message about the appointment SMSW (IWS).

510. Receiving notice of appointment, DM without establishing radio just returns a completion message to the destination.

If there SMSW (IWS) step 510 change as follows.

Receiving notice of appointment, SMSV (IWS) without establishing radio just returns a completion message to the destination.

511. DM sends a message "HANDOFF REQUIRED" (Requires relay transmission")to initiate the process of a relay domain transfer QC (CS).

If there SMSW (IWS) step 511 change as follows.

SMSW (IWS) sends the message "HANDOFF REQUIRED" ("the relay Request transfer")to trigger the relay predicamen QC (CS).

Steps 512-515 are steps in the existing process relay domain transfer QC (CS).

If there SMSW (IWS) step 514 CMK (MSC) sends a message "BUT COMMAND ("Command " EP") in SMSV (IWS). Having received the message "BUT COMMAND ("Command " EP"), SMSV (IWS) creates a message Handoff Direction Message according to the received message, and then sends a Handoff Direction Message ("Message of the direction relay transmission") in DM; DM at step 515 forwards "Handoff Direction Message ("Message of the direction relay transmission") in MILLISECONDS.

516. FANS (MGCF sends in O-FUS (S-CSCF) SIP message "INVITE" with the number of relay transmission "BUT NUMBER2" and SDP content-A.

517. O-FUS (S-CSCF) forwards the SIP message "INVITE" in SMSV (IWGW).

518. SMSW (IWGW) confirms the number of the relay transmission "HANDOFF NUMBER2", independently selected gateway SMSW (IWGW) and delivered via a SIP message INVITE, finds an existing session corresponding to the given number, relay transmission, and then returns a SIP message 180 without SDP content in O-FUS (S-CSCF).

519. O-FUS (S-CSCF) forwards the SIP message "180" FANS (MGCF).

520. In response to the step 508 FANS (MGCF sends the ACM message subsystem user ISDN (ISUP) in CMK (MSC).

521-524. MS begins the process of a relay transmission of the radio interface to complete the subsequent process in the relay transmission, the respective steps 512-515.

525. Having received the message "CLEAR COMMAND ("Command on rashedi the group"), DM forwards the SIP message BYE (cause = handoff complete) (BYE (reason = relay transfer complete")that you saved in step a, which are used to inform D/C/ABOUT-FUS (P/I/S-CSCF) that the relay transmission of the radio interface is completed.

526. D/C/ABOUT-FUS (P/I/S-CSCF) forwards the received SIP message BYE (cause = handoff complete) (BYE (reason = relay transfer complete") SMSW (IWGW).

527. SMSW (IWGW) sends a SIP message "200 OK" in D/W/O-FUS (P/I/S-CSCF) as a response to the SIP message BYE (cause = handoff complete) (BYE (reason = relay transfer complete"),

528. SMSW (IWGW) sends in O-FUS (S-CSCF) SIP message "reINVITE with SDP content-A.

529. O-FUS (S-CSCF) forwards the message to the remote node and the remote node replaces the recorded content SDP to SDP-A.

530. The remote node returns the content of the SDP-B, which may differ from the content of SDP in the previous session, SMSV (IWGW)by sending a SIP message "200 OK" in O-FUS (S-CSCF).

531. O-FUS (S-CSCF) forwards the SIP message "200 OK" on SMSW (IWGW).

532. SMSW (IWGW) sends a SIP message 200 OK with SDP content-B-O-FUS (S-CSCF)to end the session initiated in step 517.

533. O-FUS (S-CSCF) forwards the SIP message "200 OK" in FUMS (MGCF).

534. FANS (MGCF) sends an ANM message in CMK (MSC)to end the session domain CC (CS).

535. FANS (MGCF sends a SIP message "ACK" in O-FUS (S-CSCF).

536. O-FUS (S-CSCF) forwards this SIP message "ACK" in SMSV (IWGW).

537. SMSW IWGW) sends a SIP message "ACK" in O-FUS (S-CSCF).

538. O-FUS (S-CSCF) forwards this SIP message "ACK" to the remote host.

If we turn to Figure 1, the presented step S1 is completed step 501 in this version.

Step S2 according to Fig 1 completed steps 502 - 505 in this embodiment;

Step S3 according to Fig 1 completed steps 506, 507, 509 and 510 in this embodiment;

Step S4 according to Figure 1 completed step 508, a or 508b, and steps 516-520 in this embodiment;

Step S5 according to Figure 1 completed steps 511-515, as well as steps 521-524 in this embodiment;

Step S6 according to Figure 1 completed step a and steps 525-538 in this version.

Object modelling the access network domain CC (CS) is also provided to ensure the method according to the options of carrying out the invention. Object modelling the access network domain CC (CS) contains the module handle of the calling signal domain CC (CS) and module relay domain transfer QC (CS).

The processing module of the calling signal domain CC (CS) is intended for processing the signal from the caller domain CC (CS). It is accordingly connected to the access network domain of CP (PS), with the object call control domain CC (CS) and module relay domain transfer QC (CS).

Module relay domain transfer QC (CS) is intended for processing and forwarding of the received signal is ommutative. It is accordingly connected to the access network domain of CP (PS), with the object call control domain CC (CS) and with the processing module of the calling signal domain CC (CS).

Access network domain of CP (PS) is provided to ensure the method according to the options of carrying out the invention. In addition to an existing module of the access domain of CP (PS) network access domain CP (PS) further comprises a processing module of the calling signal domain CC (CS) and module relay domain transfer QC (CS).

The processing module of the calling signal domain CC (CS) is intended for processing the signal from the caller domain CC (CS). It is accordingly connected to the access module of the domain of CP (PS), with the object call control domain CC (CS) and module relay domain transfer QC (CS).

Module relay domain transfer QC (CS) is intended for processing and forwarding of the received signal switching. It is accordingly connected to the access module of the domain of CP (PS), with the object call control domain CC (CS) and with the processing module of the calling signal domain CC (CS).

As the simulation object access network domain CC (CS)and network access domain CP (PS) is configured to provide a network side according to the modalities for the implementation of the present invention. In other words, the processing module of the calling signal domain CC (CS) and modulus es is ateneu domain transfer QC (CS) made the possibility of integrating in the object access network domain of CP (PS) or in object modelling the access network domain CC (CS).

Also to provide the method according to the options of carrying out the invention provides a mobile station (MS). MS contains the module first session designed for the original session domain of CP (PS), as well as the rendering engine room relay transmission module of the second session and the processing module relay transmission.

The rendering engine room relay transmission associated with the module of the second session is designed to get non relay transmission.

More precisely, if MS is to form the number of the relay transmission, the processing module non relay transmission is used for the formation of non relay transmission and dispatch this room network side, as well as to provide a module of the second session rooms relay transmission.

If the number of relay transmission network side, the processing module non relay transmission is used to send the request to the network side and the receiving rooms of a relay transmission sent by a network side, and to provide this number relay transmission module of the second session.

If the number of relay transmission pre-determined statically, the rendering engine room relay transmission is used to store non relay transmission, and to provide this numeroustables transmission module of the second session.

The module of the second session is designed to initiate a call in the direction of the network domain CC (CS) via the access network domain of CP (PS) when given the choice of a relay transmission as the called number. Module a second session associated with a rendering engine room relay transmission.

The module process the relay transmission is designed to perform the relay transmission of the radio interface from the domain of CP (PS) domain CC (CS) and to communicate with the network side to ensure complete network side of a relay transmission from the domain of CP (PS) domain CC (CS).

Summing up, it should be noted that the examples above are the preferred options for carrying out the invention, but not limit it. Any modification, equivalent replacement or improvement in the spirit of the present invention are included within the boundaries of legal protection of the claimed invention.

1. Way relay transmission from the domain of packet switching (CP (PS)domain switching channels (QC (CS)), containing the following:

if necessary, switch from the domain of CP (PS) domain CC (CS) mobile station (MS) receives the number of the relay transmission, initiates a session request in the domain of CC (CS), taking the number of the relay transmission as a called number, and sends the session request to the domain CC (CS) in the access network the house is and the CP (PS), which routes the session request domain CC (CS) in the object call control domain CC (CS);

gateway interworking (SMSV (IWGW)) according to the number of relay transmission establishes a communication session request domain CC (CS) with the original session MS and informs the MS about the need to perform relay transmission of the radio interface from the domain of CP (PS) domain CC (CS); and

MS notifies SMSW (IWGW) about the need to complete a relay transmission from the domain of CP (PS) domain CC (CS).

2. The method according to claim 1, wherein the step of receiving mobile station (MS) non relay transmission includes the following steps:

MS generates number relay transmission and sends the generated number in SMSV (IWGW);

step on which SMSW (IWGW) establishes a communication session request domain CC (CS) with the original session MS, contains the following steps:

object call control domain CC (CS) sends a session request to the object level call management; and

object-level call control establishes a communication session request from the source session MS in accordance with the called number and the calling number.

3. The method according to claim 1, wherein the step of receiving mobile station (MS) non relay transmission includes the following steps:

SMSW (IWGW) allocates the number of the relay is peredachi for the MS and sends to MS this room relay transmission;

step on which SMSW (IWGW) establishes a communication session request domain CC (CS) with the original session MS, contains the following steps:

object call control domain CC (CS) performs routing the session request to the network domain of CP (PS);

the network domain of CP (PS) sends a session request in SMSV (IWGW); and

SMSW (IWGW) establishes a communication session request from the source session MS in accordance with the information in the session request.

4. The method according to claim 1, wherein the step of receiving mobile station (MS) non relay transmission includes the following steps:

pre-designate the number of relay transfers for MS;

step on which SMSW (IWGW) establishes a communication session request domain CC (CS) with the original session MS, contains the following steps:

object call control domain CC (CS) connects directly to the session request to the network domain of CP (PS) in accordance with the dialed number;

the network domain of CP (PS) sends a session request in SMSV (IWGW); and

SMSW (IWGW) establishes a communication session request from the source session MS in accordance with the called number and the calling number.

5. The method according to claim 1, characterized in that the step of initiating a mobile station (MS) query session by adopting non relay transmission as called number, contains the following de the actions:

MS sends an initial call request to the network access domain CP (PS); and

access network domain of CP (PS) models the network interface access domain CC (CS) and sends the initial request call object call control domain CC (CS);

step on which the MS notifies the necessity of performing the relay transmission of the radio interface from the domain of CP (PS) domain CC (CS), contains the following steps:

access network domain of CP (PS) in MS sends a command to perform relay transmission and informs the MS about the need to start a relay transmission of the radio interface.

6. The method according to claim 1, characterized in that the step of initiating a mobile station (MS) query session domain CC (CS) through the adoption of non relay transmission as the called number contains the following steps:

MS sends a session request to the system interconnect SMSW (IWS);

SMSW (IWS) sends the initial request call object call control domain CC (CS); and

step on which the MS notifies the necessity of performing the relay transmission of the radio interface from the domain of CP (PS) domain CC (CS), contains the following steps:

SMSW (IWS) sends a command to perform relay transmission to MS and informs the MS about the need to start a relay transmission of the radio interface.

7. The method according to claim 3, characterized the eat, after the connection is established between the access network domain of CP (PS) and the object of the call control domain CC (CS) network access domain CP (PS) before you can send a mobile station (MS) a command to perform relay transmission, sends a request for relay transmission of the object management challenges domain CC (CS).

8. The method according to claim 1, characterized in that the step of notifying a mobile station (MS) gateway SMSW (IWGW) about the need to complete a relay transmission from the domain of CP (PS) domain CC (CS) contains the following steps:

MS sends a notification about the beginning of the switching gateway SMSW (IWGW) through the domain of CP (PS); and

SMSW (IWGW) connects the original session request of the session relay and completes the transfer.

9. The method according to claim 1, wherein before performing the mobile station (MS) in a relay transmission of the radio interface from the domain of CP (PS) domain CC (CS) further comprises the following steps:

MS sends a completion notification to the switching in the network domain of CP (PS) and network domain CC (CS), which saves the notification of the completion of switching.

10. The method according to claim 9, characterized in that the step where the mobile station (MS) notifies SMSW (IWGW) about the need to complete a relay transmission from the domain of CP (PS) domain CC (CS) contains the following steps:

perform relay transmission of MS on radiointerview the network domain CC (CS) and notify the network domain of CP (PS) on the necessity of separation of the source connection;

the network domain of CP (PS) sending the stored notification of the completion of switching SMSW (IWGW); and

SMSW (IWGW) connects the original session request of the session relay and completes the transfer.

11. System interconnection (SMSV (IWS)for relay transmission from the domain of packet switching (CP (PS)domain switching of channels containing the processing module of the calling signal domain CC (CS)designed to process a signal from the caller domain CC (CS), and respectively associated with the network access domain switching packages (CP (PS)), with the object call control domain CC (CS) and module relay domain transfer QC (CS), and module relay domain transfer QC (CS), is designed to handle and forwarding the received signal switching and respectively associated with the access network domain of CP (PS), with the object call control domain CC (CS) and with the processing module of the calling signal domain CC (CS).

12. Network access domain switching packages (CP (PS))containing the AP domain of CP (PS); and the processing module of the calling signal domain switching channels (QC (CS)), designed to process a signal from the caller domain CC (CS) and respectively associated with the access module domain of CP (PS), with the object call control domain CC (CS) and module relay domain transfer QC (CS), PR is what module relay domain transfer QC (CS) is intended for processing and forwarding of the received signal switching and respectively associated with the access module domain of CP (PS), object call control domain CC (CS) and with the processing module of the calling signal domain CC (CS).

13. Mobile station (MS)that contains the module first session, designed for the initial session of the domain of packet switching (CP (PS)); module processing non relay transmission associated with the module of the second session, designed to retrieve non relay, the transmission module of the second session associated with a rendering engine room relay transmission, designed for call initiation in the direction of the network domain switching channels (QC (CS)) through the system of interconnection (SMSV (IWS)in accordance with the number of relay transmission by sending a session request to the domain CC (CS) network access domain CP (PS) for the implementation of routing the session request domain CC (CS) in the equipment call management domain CC (CS); and the processing module relay transmission intended for relay transmission of the radio interface from the domain of CP (PS) domain CC (CS) and to interact with SMSV (IWGW)to SMSV (IWGW) completed a relay transmission network side from the domain of CP (PS) domain CC (CS).

14. Mobile station (MS) according to item 13, wherein the processing module non relay transmission is intended for the formation of non relay transmission, sending non relay transmission network side and the pre is leaving the room relay transmission module of the second session.

15. Mobile station (MS) according to item 13, wherein the processing module non relay transmission is used to send request to SMSV (IWGW), the number of a relay transmission sent by the gateway SMSW (IWGW), and providing non relay transmission module of the second session.

16. A mobile station MS according to item 13, wherein the processing module non relay transmission is designed to store the number of a relay transmission, and to provide non relay transmission module of the second session.



 

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