CN103079239A - Service continuity achievement method and system for dual-standby terminal - Google Patents
Service continuity achievement method and system for dual-standby terminal Download PDFInfo
- Publication number
- CN103079239A CN103079239A CN2011103293299A CN201110329329A CN103079239A CN 103079239 A CN103079239 A CN 103079239A CN 2011103293299 A CN2011103293299 A CN 2011103293299A CN 201110329329 A CN201110329329 A CN 201110329329A CN 103079239 A CN103079239 A CN 103079239A
- Authority
- CN
- China
- Prior art keywords
- territory
- network element
- session
- aiming field
- transfer message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a service continuity achievement method and a service continuity achievement system for a dual-standby terminal. The method comprises the following steps that after receiving a transfer message for an existing session, a server notifies a target domain interaction network element of the media resource information of a current remote end of the session, and the target domain interaction network element opens media data transmitted to a transfer message transmitting party according to the notice. According to the scheme, the server can timely notify a related network element of the media data of the transfer message transmitting party, so that the interruption of downlink media data in a switching process is avoided.
Description
Technical field
The present invention relates to the communications field, relate more specifically to a kind of double-standby terminal business continuance (SC, Service Continuity) implementation method and system.
Background technology
Access irrelevant based on IP (network interconnection agreement, Internet Protocol, be called for short IP) communication network comprise next generation network (Next Generation Network---NGN), IP Multimedia System (IP Multimedia Core Network Subsystem, be called for short IMS), based on the real-time communication net of Web (Real Time Communication on Web---the network such as RTCWeb), network provides professional ability for the user, comprise that the real-time communications such as speech communication, video communication are professional, belong to the business network category.Access Network comprises circuit switching (Circuit Switched, be called for short CS) territory access and packet switching (Packet Switched, be called for short PS) the territory access, CS territory Access Network comprises the networks such as GSM, CDMA, the access of PS territory comprises the networks such as LTE, HSPA, EDGE, EVDO.
For the user terminal with multiple access standard (UE), if it has the ability of the access network that accesses simultaneously two kinds and above access standard then is called double-standby terminal, if it is carrying out a certain business under a kind of access standard, such as conversation, other are local and when needing to change the access standard of using when UE moves to, the business that UE and network can provide certain mode that UE is being carried out is not interrupted, and we are referred to as business continuance such ability.
Fig. 1 is the business continuance realization flow figure that existing PS territory moves to the CS territory, describe double-standby terminal UE-1 and set up conversation with UE-2 by the IMS signaling procedure, the signaling of session is anchored into AS, the uplink and downlink media path of session all passes through PS territory gateway, such as Serving GPRS Support Node (SGSN) and overall GPRS Support Node (GGSN), or gateway (SGW) and packet data network gateway (PGW), UE-1 determines to switch to the CS territory, how UE-1 and network realize the process of business continuance, and it is described below:
Step 101:UE-1 initiates Transfer Message by the CS territory, sets up (SETUP) message such as sending to MSC, and called number is for pointing to the particular number of AS;
Step 102:MSC applies for media resource to MGW, is used for receiving the distant end media data;
Step 103:MSC sends the Transfer Message of IMS to AS, invite (INVITE) message such as sending, the target of message is the particular number of the sensing AS of acquisition, message is carried the media resource information of MGW, such as the IP address of MGW and the port numbers of receive data, the coding/decoding information of supporting, the relevant informations such as medium type, message via the CSCF route to AS;
Step 104:AS sends the updating message of IMS to UE-2, heavily invite (reINVITE) message or renewal (UPDATE) message such as sending, and message is carried the media resource information of acquisition, message via the CSCF route to UE-2;
Step 105:UE-2 receives updating message, redefines the transmission purpose of media data according to the media resource information of receiving, and sends media data to new purpose;
Step 106:UE-2 sends the renewal response of IMS, and such as sending 200 OK message, message is carried the media resource information of UE-2, and message travels CSCF arrives AS;
Step 107:AS sends to MSC and shifts response, and such as sending " 200 OK " message, message is carried the media resource information of acquisition, and message travels CSCF arrives MSC;
Step 108:MSC makes MGW send media data to UE-2 according to the media resource information configuration MGW that obtains;
Step 109:MSC sends to UE-1 by the CS territory and connects (CONNECT) message;
So far, UE-1 passes through the switching of MGW and the business before the UE-2 continuation in the CS territory.For double-standby terminal, its up media all send by the PS territory before the step 109.
Existing PS territory moves to the business continuance implementation method in CS territory, if when MGW received the media data of far-end, signaling procedure was not yet finished, then can be to UE-1 forwarding media data, thus cause the descending media data of UE-1 to interrupt.In like manner, the CS territory moves to the business continuance in PS territory, and all there is the asynchronous descending media data disruption that causes of this media signaling in the business continuance that the PS territory moves to the PS territory.Prior art is only for the IMS network, based on the network of the other technologies of PS, then do not have correlation technique such as NGN or based on the real-time communication network of Web etc.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of business continuance implementation method and system, avoids the descending media data in the handoff procedure to interrupt.
For solving the problems of the technologies described above, the invention provides a kind of double-standby terminal business continuance implementation method, wherein, described method comprises: after server is received Transfer Message for already-existing session, the media resource information of the current far-end of described session is notified to the mutual network element of aiming field, and the media data of described Transfer Message transmit leg is mail in described aiming field DIALOGUES unit according to described notice opening.
Further, said method can also have following characteristics:
Behind the far-end of the described session of described server update, respond described Transfer Message.
Further, said method can also have following characteristics:
The Transfer Message transmit leg of described session switches to the PS territory from the CS territory, perhaps switches to the CS territory from the PS territory, perhaps switches to another PS territory from a PS territory.
Further, said method can also have following characteristics:
The mutual network element indicating target of described aiming field territory is established to the media bearer of described Transfer Message transmit leg.
Further, said method can also have following characteristics:
After the mutual network element of described aiming field is received described notice, notify the described Transfer Message transmit leg can receiving media data.
Further, said method can also have following characteristics:
Behind the far-end of the described session of described server update, notify the mutual network element of described aiming field new distant end media resource information.
Further, said method can also have following characteristics:
When described aiming field was the CS territory, the mutual network element of described aiming field was mobile switching centre (MSC) or MGCF (MGCF); When described aiming field was the PS territory, the mutual network element of described aiming field was strategy and charging rule functions (PCRF) or proxy CSCF (P-CSCF) or grouped data network gateway (PGW) or Gateway GPRS Support Node (GGSN).
For solving the problems of the technologies described above, the present invention also provides a kind of server of realizing the double-standby terminal business continuance, and wherein, described server comprises the business continuance processing module; Described business continuance processing module, be used for receiving the Transfer Message for already-existing session after, the media resource information of the current far-end of described session is notified to the mutual network element of aiming field.
Further, above-mentioned server can also have following characteristics:
Described business continuance processing module after also being used for upgrading the far-end of described session, notifies the mutual network element of described aiming field new distant end media resource information.
For solving the problems of the technologies described above, the present invention also provides a kind of interactive gateway system that realizes the double-standby terminal business continuance, wherein, comprises mutual network element, and described mutual network element comprises the business continuance processing module; Described business continuance processing module, be used for receiving the media resource information of current far-end of the session that server is notified for the Transfer Message of already-existing session after, mail to the media data of described Transfer Message transmit leg according to described notice opening.
Further, above-mentioned interactive gateway system can also have following characteristics:
Described business continuance processing module also is used to indicate the media bearer that aiming field is established to described Transfer Message transmit leg.
Further, above-mentioned interactive gateway system can also have following characteristics:
Described business continuance processing module after also being used for receiving described notice, notifies the described Transfer Message transmit leg can receiving media data.
Further, above-mentioned interactive gateway system can also have following characteristics:
When the aiming field under the described mutual network element was the CS territory, described mutual network element was mobile switching centre (MSC) or MGCF (MGCF); When the aiming field under the described mutual network element was the PS territory, described mutual network element was strategy and charging rule functions (PCRF) or proxy CSCF (P-CSCF) or grouped data network gateway (PGW) or Gateway GPRS Support Node (GGSN).
After adopting this programme, server can in time be notified the media data of related network elements Transfer Message transmit leg, thereby has avoided the descending media data in the handoff procedure to interrupt.
Description of drawings
Fig. 1 is existing session moves to the CS territory from the PS territory business continuance realization flow figure;
Fig. 2 is the session among the embodiment moves to the CS territory from the PS territory business continuance realization flow figure;
Fig. 3 is the session among the embodiment moves to the PS territory from the CS territory business continuance realization flow figure;
Fig. 4 is the business continuance realization flow figure that session moves to the PS2 territory among the embodiment from the PSl territory.
Embodiment
Double-standby terminal business continuance implementation method comprises: after server is received Transfer Message for already-existing session, the media resource information of the current far-end of described session is notified to the mutual network element of aiming field, and the media data of described Transfer Message transmit leg is mail in described aiming field DIALOGUES unit according to described notice opening.
In the said method, the Transfer Message transmit leg of described session switches to the PS territory from the CS territory, perhaps switches to the CS territory from the PS territory, perhaps switches to another PS territory from a PS territory.
Behind the far-end of the described session of described server update, respond described Transfer Message.
The mutual network element indicating target of described aiming field territory is established to the media bearer of described Transfer Message transmit leg.
After the mutual network element of described aiming field is received described notice, notify the described Transfer Message transmit leg can receiving media data.
Behind the far-end of the described session of described server update, notify the mutual network element of described aiming field new distant end media resource information.
When described aiming field was the CS territory, the mutual network element of described aiming field was mobile switching centre (MSC) or MGCF (MGCF); When described aiming field was the PS territory, the mutual network element of described aiming field was strategy and charging rule functions (PCRF) or proxy CSCF (P-CSCF) or grouped data network gateway (PGW) or Gateway GPRS Support Node (GGSN).
The server of realizing the double-standby terminal business continuance comprises the business continuance processing module; Described business continuance processing module, be used for receiving the Transfer Message for already-existing session after, the media resource information of the current far-end of described session is notified to the mutual network element of aiming field.
Described business continuance processing module after also being used for upgrading the far-end of described session, notifies the mutual network element of described aiming field new distant end media resource information.
The interactive gateway system that realizes the double-standby terminal business continuance comprises mutual network element, and described mutual network element comprises the business continuance processing module; Described business continuance processing module, be used for receiving the media resource information of current far-end of the session that server is notified for the Transfer Message of already-existing session after, mail to the media data of described Transfer Message transmit leg according to described notice opening.
Described business continuance processing module also is used to indicate the media bearer that aiming field is established to described Transfer Message transmit leg.
Described business continuance processing module after also being used for receiving described notice, notifies the described Transfer Message transmit leg can receiving media data.
When the aiming field under the described mutual network element was the CS territory, described mutual network element was mobile switching centre (MSC) or MGCF (MGCF); When the aiming field under the described mutual network element was the PS territory, described mutual network element was strategy and charging rule functions (PCRF) or proxy CSCF (P-CSCF) or grouped data network gateway (PGW) or Gateway GPRS Support Node (GGSN).
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
Fig. 2 is the business continuance realization flow figure that the PS territory of this programme moves to the CS territory, describe double-standby terminal UE-1 and set up conversation with UE-2 by signaling procedure, the signaling of session is anchored into server (Server), AS such as the IMS network, or the Call Server of NGN network, or based on Web Server of the real-time communication network of Web etc., the uplink and downlink media path of session all passes through PS territory gateway, such as SGSN and GGSN, or SGW and PGW, UE-1 determines to switch to the CS territory, and how UE-1 and network realize the process of business continuance, and it is described below:
Step 201:UE-1 initiates Transfer Message by the CS territory to the mutual network element of CS, sets up (SETUP) message such as sending to MSC, and called number is for pointing to the particular number of Server;
If MSC does not provide interactive function, then MSC sends to the mutual network element MGCF of CS and sets up message, and such as initial address message (IAM), called number is the particular number of the sensing Server of acquisition;
The mutual network element of step 202:CS (MSC or MGCF) is used for receiving the distant end media data to MGW application media resource;
The mutual network element of step 203:CS sends Transfer Message to Server, invite (INVITE) message such as sending, message is carried the particular number of the sensing Server of acquisition, message is also carried the media resource information of MGW, such as the IP address of MGW and the port numbers of receive data, the coding/decoding information of supporting, the relevant informations such as medium type;
Step 204; Server is the signaling anchor point of former session, therefore Server can be by the related former session of the caller information of Transfer Message, thereby Server can obtain the media resource information of the far-end of former session, Server sends the notification message that indication is connected to the mutual network element of CS, such as sending " 183 Session Progressing " message or INFO, the media resource information of carrying the far-end of former session;
Step 205:CS DIALOGUES unit according to notification message opening mail to the media data of UE-1, namely pass through according to the media resource information configuration MGW in the notification message and the media data that allows to mail to UE-1;
So far, MGW can receive the media data of far-end transmission and be transmitted to UE-1 by the CS territory.
The mutual network element of step 206:CS sends early connection message by the CS territory to UE-1, such as, if the mutual network element of CS is MSC, then MSC sends ring (Alerting) message, if the mutual network element of CS is MGCF, then MGCF sends the address and finishes message (ACM);
Step 207:Server sends updating message to UE-2, heavily invites (reINVITE) message or renewal (UPDATE) message such as sending, and message is carried the media resource information of acquisition;
Step 208:UE-2 receives updating message, redefines the transmission purpose of media data according to the media resource information of receiving, and sends media data to new purpose;
Step 209:UE-2 sends and upgrades response, and such as sending 200 OK message, message is carried the media resource information of UE-2, and message arrives Server;
Step 210:Server sends to the mutual network element of CS and shifts response, and such as sending " 200 OK " message, message is carried the media resource information of acquisition;
Step 211:CS DIALOGUES unit makes MGW send media data to UE-2 according to the media resource information configuration MGW that obtains;
The mutual network element of step 212:CS sends connection message by the CS territory to UE-1, such as, if the mutual network element of CS is MSC, then MSC sends and connects (CONNECT) message, if the mutual network element of CS is MGCF, then MGCF sends response message (ANM);
So far, UE-1 passes through the switching of MGW and the business before the UE-2 continuation in the CS territory.
Fig. 3 is the business continuance realization flow figure that the CS territory of this programme moves to the PS territory, describe double-standby terminal UE-1 and set up conversation with UE-2 by signaling procedure, the signaling of session is anchored into Server, the uplink and downlink media path of session all passes through MGW, UE-1 determines to switch to the PS territory, how UE-1 and network realize the process of business continuance, and it is described below:
Step 301:UE-1 initiates Transfer Message by the PS territory to Server, invites (INVITE) message such as sending, and message is carried the sign of expression Session Hand-off, and this Session Hand-off sign can identify the session that will shift;
Step 302:Server is the signaling anchor point of former session, therefore Server can identify related former session by caller information or the Session Hand-off of Transfer Message, thereby Server can obtain the media resource information of the far-end of former session, Server sends a notification message to the mutual network element of PS, such as sending " 183 Session Progressing " message or INFO, the media resource information of carrying the far-end of former session;
The mutual network element of PS can be PCRF, or PS territory gateway (such as GGSN or PGW), if the IMS network, then the mutual network element of PS also can be P-CSCF.
Step 303:PS DIALOGUES unit according to notification message opening mail to the media data of UE-1;
If the mutual network element of PS is PCRF, then the open media data that mails to UE-1 of PCRF refers to notify PS territory gateway to carry out the media data that media bearer sets up process and allow to mail to UE-1 to pass through, if the mutual network element of PS is P-CSCF, then the open media data that mails to UE-1 of P-CSCF refers to notify PCRF reservation resource and clearance to mail to the media data of UE-1, PCRF reinforms PS territory gateway and carries out the media data that media bearer sets up process and allow to mail to UE-1 and pass through, if the mutual network element of PS is PS territory gateway, then the gateway opening media data that mails to UE-1 in PS territory refers to notify PS territory gateway to carry out the media data that media bearer sets up process and allow to mail to UE-1 to pass through.
So far, PS territory gateway can receive the media data of far-end transmission and be transmitted to UE-1 by the PS territory.
Step 304: optional, the mutual network element of PS sends early connection message to UE-1, such as, if the mutual network element of PS is P-CSCF, then P-CSCF sends " 183 Session Progressing " message or INFO, if the mutual network element of PS is PCRF, then PCRF reserves to carry out at notice PS territory gateway and adds the sign that indication early connects when media bearer is set up process, PS territory gateway is set up at media bearer will identify notice to UE-1 in the process, if the mutual network element of PS is PS territory gateway, then PS territory gateway is set up at media bearer and will be indicated the sign that early connects to notify to UE-1 in the process;
So far, UE-1 has been ready to receiving media data.
The step 207 of step 305～307 and Fig. 2～209 are identical;
Step 308:Server sends to UE-1 and shifts response, and such as sending " 200 OK " message, message is carried the media resource information of acquisition;
If the media resource information in the step 308 is identical with media resource information in the step 302, then UE-1 can send up media data by the PS territory.
Step 309: if the media resource information in the step 308 is different from media resource information in the step 302, then Server sends a notification message to the mutual network element of PS, such as sending INFO, carries the media resource information of acquisition;
If the mutual network element of PS is P-CSCF, then step 309 is not carried out, because the message of step 308 can be passed through P-CSCF.
Step 310: if the media resource information in the step 308 is different from media resource information in the step 302, then PS DIALOGUES unit makes PS territory gateway can upgrade media bearer according to the media resource information configuration PS territory gateway that obtains;
Step 311: if the media resource information in the step 308 is different from media resource information in the step 302, then PS territory gateway sends connection message by the PS territory to UE-1, such as, upgrade the Modify Bearer Request message of media bearer process;
So far, UE-1 passes through the switching of PS territory gateway and the business before the UE-2 continuation in the PS territory.
Fig. 4 is the business continuance realization flow figure that the PS territory of this programme moves to the PS territory, describe double-standby terminal UE-1 and set up conversation with UE-2 by signaling procedure, the signaling of session is anchored into Server, the uplink and downlink media path of session all passes through PS territory gateway 1, UE-1 determines to switch to another PS territory (such as moving to LTE from WiFi, or move to CDMA or WiFi etc. from HSPA), how UE-1 and network realize the process of business continuance, it is described below:
Step 401～411, identical with the step 301 of Fig. 3～311;
Need to prove, in the situation that do not conflict, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (13)
1. double-standby terminal business continuance implementation method, wherein, described method comprises:
After server is received Transfer Message for already-existing session, the media resource information of the current far-end of described session is notified to the mutual network element of aiming field, the media data of described Transfer Message transmit leg is mail in described aiming field DIALOGUES unit according to described notice opening.
2. the method for claim 1 is characterized in that, behind the far-end of the described session of described server update, responds described Transfer Message.
3. the method for claim 1 is characterized in that, the Transfer Message transmit leg of described session switches to the PS territory from the CS territory, perhaps switches to the CS territory from the PS territory, perhaps switches to another PS territory from a PS territory.
4. the method for claim 1 is characterized in that, the mutual network element indicating target of described aiming field territory is established to the media bearer of described Transfer Message transmit leg.
5. the method for claim 1 is characterized in that, after the mutual network element of described aiming field is received described notice, notifies the described Transfer Message transmit leg can receiving media data.
6. the method for claim 1 is characterized in that, behind the far-end of the described session of described server update, notifies the mutual network element of described aiming field new distant end media resource information.
7. the method for claim 1 is characterized in that, when described aiming field was the CS territory, the mutual network element of described aiming field was mobile switching centre (MSC) or MGCF (MGCF); When described aiming field was the PS territory, the mutual network element of described aiming field was strategy and charging rule functions (PCRF) or proxy CSCF (P-CSCF) or grouped data network gateway (PGW) or Gateway GPRS Support Node (GGSN).
8. server of realizing the double-standby terminal business continuance, wherein, described server comprises the business continuance processing module;
Described business continuance processing module, be used for receiving the Transfer Message for already-existing session after, the media resource information of the current far-end of described session is notified to the mutual network element of aiming field.
9. server as claimed in claim 8 is characterized in that,
Described business continuance processing module after also being used for upgrading the far-end of described session, notifies the mutual network element of described aiming field new distant end media resource information.
10. an interactive gateway system that realizes the double-standby terminal business continuance wherein, comprises mutual network element, and described mutual network element comprises the business continuance processing module;
Described business continuance processing module, be used for receiving the media resource information of current far-end of the session that server is notified for the Transfer Message of already-existing session after, mail to the media data of described Transfer Message transmit leg according to described notice opening.
11. interactive gateway as claimed in claim 10 system is characterized in that,
Described business continuance processing module also is used to indicate the media bearer that aiming field is established to described Transfer Message transmit leg.
12. interactive gateway as claimed in claim 10 system is characterized in that,
Described business continuance processing module after also being used for receiving described notice, notifies the described Transfer Message transmit leg can receiving media data.
13. interactive gateway as claimed in claim 10 system is characterized in that,
When the aiming field under the described mutual network element was the CS territory, described mutual network element was mobile switching centre (MSC) or MGCF (MGCF); When the aiming field under the described mutual network element was the PS territory, described mutual network element was strategy and charging rule functions (PCRF) or proxy CSCF (P-CSCF) or grouped data network gateway (PGW) or Gateway GPRS Support Node (GGSN).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103293299A CN103079239A (en) | 2011-10-26 | 2011-10-26 | Service continuity achievement method and system for dual-standby terminal |
| PCT/CN2012/082336 WO2013060219A1 (en) | 2011-10-26 | 2012-09-28 | Dual-standby terminal service continuity implementation method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103293299A CN103079239A (en) | 2011-10-26 | 2011-10-26 | Service continuity achievement method and system for dual-standby terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103079239A true CN103079239A (en) | 2013-05-01 |
Family
ID=48155623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103293299A Pending CN103079239A (en) | 2011-10-26 | 2011-10-26 | Service continuity achievement method and system for dual-standby terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103079239A (en) |
| WO (1) | WO2013060219A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113596039A (en) * | 2017-01-06 | 2021-11-02 | 联发科技股份有限公司 | Method for enhancing packet switching domain data interruption mechanism and user equipment thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098546A (en) * | 2006-06-27 | 2008-01-02 | 华为技术有限公司 | Method and system for switching conversation to high-speed packet data network |
| CN101193449A (en) * | 2006-11-27 | 2008-06-04 | 华为技术有限公司 | System, method and device for realizing continuous multimedia session |
| CN101227733A (en) * | 2008-02-05 | 2008-07-23 | 中兴通讯股份有限公司 | Single wireless channel voice business continuity field switching method |
| CN101351039A (en) * | 2007-07-20 | 2009-01-21 | 华为技术有限公司 | Method, apparatus and system for implementing multimedia call continuity |
| US20090046655A1 (en) * | 2007-08-17 | 2009-02-19 | Research In Motion Limited | Mobility Mechanism for Service Continuity |
| CN101895947A (en) * | 2009-05-22 | 2010-11-24 | 中兴通讯股份有限公司 | Method for achieving single radio voice call continuity and single radio voice call continuity system |
| CN102006269A (en) * | 2009-08-28 | 2011-04-06 | 中兴通讯股份有限公司 | Synchronization method and system for multi-session capability of IP multimedia subsystem |
-
2011
- 2011-10-26 CN CN2011103293299A patent/CN103079239A/en active Pending
-
2012
- 2012-09-28 WO PCT/CN2012/082336 patent/WO2013060219A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098546A (en) * | 2006-06-27 | 2008-01-02 | 华为技术有限公司 | Method and system for switching conversation to high-speed packet data network |
| CN101193449A (en) * | 2006-11-27 | 2008-06-04 | 华为技术有限公司 | System, method and device for realizing continuous multimedia session |
| CN101351039A (en) * | 2007-07-20 | 2009-01-21 | 华为技术有限公司 | Method, apparatus and system for implementing multimedia call continuity |
| US20090046655A1 (en) * | 2007-08-17 | 2009-02-19 | Research In Motion Limited | Mobility Mechanism for Service Continuity |
| CN101227733A (en) * | 2008-02-05 | 2008-07-23 | 中兴通讯股份有限公司 | Single wireless channel voice business continuity field switching method |
| CN101895947A (en) * | 2009-05-22 | 2010-11-24 | 中兴通讯股份有限公司 | Method for achieving single radio voice call continuity and single radio voice call continuity system |
| CN102006269A (en) * | 2009-08-28 | 2011-04-06 | 中兴通讯股份有限公司 | Synchronization method and system for multi-session capability of IP multimedia subsystem |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113596039A (en) * | 2017-01-06 | 2021-11-02 | 联发科技股份有限公司 | Method for enhancing packet switching domain data interruption mechanism and user equipment thereof |
| CN113596039B (en) * | 2017-01-06 | 2023-06-30 | 联发科技股份有限公司 | Method for enhancing packet switched domain data interrupt mechanism and user equipment thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013060219A1 (en) | 2013-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8670411B2 (en) | Method for realizing single radio voice call continuity and single radio voice call continuity system | |
| US9408064B2 (en) | Method and system for obtaining user equipment ability by user equipment, home subscriber data server and core network element | |
| CN103119983B (en) | Session is transferred to method, equipment and the computer program of circuit switched access networks from packet switch access network | |
| CN101605360B (en) | Method, device and system for replacing service control signaling channel | |
| CN101605381B (en) | Method, device and system for called access | |
| CN101420668B (en) | Method, system and apparatus for implementing call forwarding | |
| CN102056255B (en) | Session switching implementation method and system | |
| CN101242665B (en) | A switching method for multimedia session continuity | |
| CN102238672B (en) | Method and system for realizing rSRVCC (reverse signal radio voice call continuity) | |
| CN101227728B (en) | Conversation combining method of multimedia conversation continuity business | |
| EP2544486B1 (en) | Method and system for keeping a single radio voice call continuity (srvcc) session alive | |
| CN102104848B (en) | Dual-mode single-standby voice service continuity realization method and Internet protocol (IP) multimedia subsystem | |
| US8665793B2 (en) | Method and system for implementing single radio voice call continuity | |
| CN102006269B (en) | Synchronization method and system for multi-session capability of IP multimedia subsystem | |
| CN101325732B (en) | Call control method, circuit switching control apparatus and terminal equipment for IMS | |
| CN103079239A (en) | Service continuity achievement method and system for dual-standby terminal | |
| CN102420803B (en) | Called through the method and system of visited place IMS access point access eventually | |
| CN101651896B (en) | Method for associating multimedia sessions | |
| CN101217797B (en) | A realization method of call starting in IP multimedia subsystem centralized control operation | |
| KR101529972B1 (en) | Method and apparatus for reprocessing call and method for servicing call waiting tone | |
| CN101330746B (en) | Method and system for implementing call deflection of IMS central control business | |
| CN101325792B (en) | Method for switching control route of IP multimedia subsystem centralized business conversation | |
| KR20140110507A (en) | Method for controlling voice call service based on packet, storage medium and apparatus thereof | |
| CN101325733A (en) | Method for implementing call retention and call recuperation of centralized service of IP multimedia subsystem | |
| CN101330745A (en) | Method and system for implementing call deflection of IMS central control business |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130501 |