CN102612048B - Mobile switching centre obtains the method and system of IMS control point information - Google Patents
Mobile switching centre obtains the method and system of IMS control point information Download PDFInfo
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- CN102612048B CN102612048B CN201110023086.6A CN201110023086A CN102612048B CN 102612048 B CN102612048 B CN 102612048B CN 201110023086 A CN201110023086 A CN 201110023086A CN 102612048 B CN102612048 B CN 102612048B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000011664 signaling Effects 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 16
- YOETUEMZNOLGDB-UHFFFAOYSA-N 2-methylpropyl carbonochloridate Chemical compound CC(C)COC(Cl)=O YOETUEMZNOLGDB-UHFFFAOYSA-N 0.000 claims 2
- 230000004044 response Effects 0.000 description 33
- 102000018059 CS domains Human genes 0.000 description 9
- 108050007176 CS domains Proteins 0.000 description 9
- 230000003993 interaction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012508 change request Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
Abstract
The invention discloses the method and system that a kind of mobile switching centre obtains IMS control point information.This method includes：IMS control point information is supplied to Serving GPRS Support Node by application server；The Serving GPRS Support Node is sent to the mobile switching centre after the inquiry from mobile switching centre is received, by the IMS control point information.It can make mobile switching centre that need not increase new interface and agreement with regard to IMS control point information can be obtained using the present invention.
Description
Technical field
The present invention relates to a kind of IMS (IP Multimedia Subsystem, IP multimedia subsystem) more particularly to MSC
(mobile switching centre) obtains the method and system of ICP (IMS control point) information.
Background technology
IMS is carried by 3GPP (3rd Generation Partnership Project, third generation partner program)
A kind of IP-based network architecture gone out constructs an open and flexible service environment, supports multimedia application, and energy
Enough provide relatively rich media business to the user.
In IMS business systems, key-course and operation layer are separated, and key-course does not provide specific business, only to business
Layer provides the functions such as necessary triggering, routing and charging.
Business triggering and control function are by CSCF (Call Session ControlFunction, calling in key-course
Conversation control function) complete.CSCF points are three types：P-CSCF(Proxy-Call Session Control
Function, proxy CSCF), I-CSCF (Interrogating-Call Session Control Function, inquiry
) and S-CSCF (Serving-Call Session Control Function, serving CSCF) CSCF；Wherein, S-CSCF bears master
Responsibility is wanted, I-CSCF is optional.In addition, there are some auxiliary network elements in IMS business systems, as IBCF (is controlled on IMS borders
Function processed) and ATCF (accessing transfer control function) etc..
Operation layer is made of a series of AS (Application Server, application server), and provides specific business clothes
Business.AS can be independent entity, and there may also be in S-CSCF.S-CSCF controls business to touch according to the signing information of user
Hair calls the business on AS, realizes business function.
End-to-end equipment in session is known as UE (User Equipment, user equipment), is responsible for the interaction with user.
Some UE have the mode of a variety of access to mobile network, such as pass through the PS (Packet Switch, packet switch) of 3GPP mobile networks
Domain access to mobile network passes through non-3 gpp mobile network (such as CDMA (CDMA) 1X or Wimax (worldwide interoperability for microwave accesses)
Network) ps domain access to mobile network, it might even be possible to connect by CS (Circuit Switch, circuit switching) domain of mobile network
Enter mobile network.Mobile network includes base station sub-system and core net, and core network element can be SGSN (service GPRS Zhi Chijie
Point), GGSN (Gateway GPRS Support Node), MME (mobile management entity), MSC, PCF (Packet Control Function) or PDSN (grouping
Data serving node) etc..In order to realize interactions of the UE in CS domains and IMS network, need MSC that can obtain in some cases
ICP information, ICP can be the entities that P-CSCF, I-CSCF, IBCF, ATCF or AS etc. have IMS signaling control functions, even
Can be the MSC with IMS signaling capabilities.
Fig. 1 is the flow chart that MSC obtains ICP information in the prior art, and obtaining flow includes：
Step 101：UE initiates attach request to mobile network, for example sends attachment to for the base station sub-system of own services
Ask (Attach Request) message；Wherein, base station sub-system can be base station system (BSS, Base Station
) or radio network controller (RNC, Radio NetworkController) System.
Step 102：Attach Request message is sent to MSC by base station sub-system.
Step 103：After MSC receives Attach Request message, UE is allowed to adhere to and use mobile network, then send and permit to UE
Perhaps message is adhered to, for example attachment receives (Attach Accept) message, this allows to adhere to message travels base station sub-system.
Step 104：Base station sub-system will allow attachment message to be sent to UE.
Step 105：After MSC allows UE to adhere to and use mobile network, registration request is initiated to the ownership IMS network of UE,
For example the S-CSCF into the ownership IMS network of UE sends registration (Register) message, which belongs to IMS signalings.
Step 106：S-CSCF allows UE access IMS network, then returns to registration response to MSC, for example sends " 200
OK " message is somebody's turn to do " 200 OK " message and belongs to IMS signalings.
Step 107：The access service and P-CSCF that UE is provided by ps domain initiate registration to the ownership IMS network of UE please
It asks, for example Register message is sent to P-CSCF, to use the business that IMS network provides；Wherein, Register message belongs to
IMS signalings.
Following steps are situations of the ICP not on AS.
If ICP between P-CSCF and S-CSCF, such as on IBCF, then includes：
Step 108a：After P-CSCF receives registration request, selection services the ICP of the UE, and the registration request is transmitted to
The ICP.
Step 109a：After ICP receives registration request, another registration request is sent to S-CSCF, in another registration request
ICP information is carried, which can be the information of direct positioning ICP, can also such as the number of ICP, address or mark
It is the information of indirect addressing ICP, such as the index of ICP, can also be any combination of above-mentioned various information.
Step 110a：S-CSCF allows UE access IMS network and the business provided using IMS network, then returns to registration
Response, for example " 200 OK " message is sent, it is somebody's turn to do " 200 OK " message and belongs to IMS signalings.
Step 111a：Registration response reaches ICP, and registration response is transmitted to P-CSCF by ICP.
If ICP, on P-CSCF, step 108a-111a is reduced to：
After P-CSCF receives registration request, another registration request is sent to S-CSCF, is carried in another registration request
ICP information.
S-CSCF allows UE access IMS network and the business provided using IMS network, and then returning to registration to P-CSCF rings
Should, for example " 200 OK " message is sent, it is somebody's turn to do " 200 OK " message and belongs to IMS signalings.
If ICP, on S-CSCF, step 108a-111a is reduced to：
After P-CSCF receives registration request, which is transmitted to S-CSCF.
S-CSCF allows UE access IMS network and the business provided using IMS network, and then returning to registration to P-CSCF rings
Should, for example " 200 OK " message is sent, it is somebody's turn to do " 200 OK " message and belongs to IMS signalings.
Following steps are situations of the ICP on AS.
Step 108b：After P-CSCF receives registration request, which is transmitted to S-CSCF.
Step 109b：S-CSCF allows UE access IMS network and the business provided using IMS network, then to P-CSCF
Registration response is returned, for example sends " 200 OK " message, " 200 OK " message is somebody's turn to do and belongs to IMS signalings.
Step 110b：S-CSCF forwards registration request to ICP.
Step 111b：After ICP receives registration request, registration response is returned to S-CSCF, ICP is carried in registration response
Information, which can be the information of direct positioning ICP, such as the number of ICP, address or mark or indirect addressing
The information of ICP such as the index of ICP, can also be any combination of above-mentioned various information.
Following steps are the subsequent common steps of above-mentioned two situations.
Step 112：After P-CSCF receives the registration response of step 111a or 109b, to UE the registration is forwarded to respond.
Step 113：After S-CSCF obtains ICP information, the ICP information of acquisition is notified to MSC, for example is sent to MSC
Notify (notice) message carries the ICP information of acquisition in the Notify message, and the Notify message belongs to IMS signalings.
MSC must support IMS signalings and completely replace the registration process of UE in the prior art it can be seen from more than flow
ICP information could be obtained；If MSC does not support IMS signalings, in order to application flow shown in FIG. 1, it is necessary to increase new
Interface and agreement are so that MSC can carry out interacting message with S-CSCF, therefore the application scenarios of above-mentioned flow are very limited.
The content of the invention
In view of this, the method and system of ICP information are obtained it is a primary object of the present invention to provide a kind of MSC, make MSC
New interface and agreement need not be increased with regard to ICP information can be obtained.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of method that mobile switching centre obtains IMS control point information, the described method includes：
IMS control point information is supplied to Serving GPRS Support Node by application server；
The Serving GPRS Support Node believes the IMS control point after the inquiry from mobile switching centre is received
Breath is sent to the mobile switching centre.
Further, when IMS control point is not when on the application server, IMS control point is believed in application server
Breath is supplied to before Serving GPRS Support Node, and the method further includes：
The IMS control point information is sent to the application server by IMS control point by IMS processes.
Further, IMS control point information is supplied to the Serving GPRS Support Node to be by the application server：
The notification message for carrying the IMS control point information is sent to the service GPRS branch by the application server
It serves as a diplomatic envoy a little；Or
The new information for carrying the IMS control point information is sent to home subscriber service by the application server
Device；The notification message for carrying the IMS control point information is sent to the service GPRS branch by the home subscriber server
It serves as a diplomatic envoy a little.
Further, before the Serving GPRS Support Node receives the inquiry from mobile switching centre, the method is also
Including：The mobile switching centre receives call request or handover request.
The system that a kind of mobile switching centre obtains IMS control point information, the system comprises：Application server, service
GPRS Support Node and mobile switching centre；Wherein,
Application server, for IMS control point information to be supplied to Serving GPRS Support Node；
Mobile switching centre, for inquiring IMS control point information to Serving GPRS Support Node；
Serving GPRS Support Node, for after the inquiry from mobile switching centre is received, IMS control point information to be sent out
Give the mobile switching centre.
The application server is further used for：When IMS control point is not when on the application server, described in reception
The IMS control point information that IMS control point is sent by IMS processes.
Further, the system also includes：Home subscriber server is taken for receive that the application server sends
New information with the IMS control point information, and the notification message for carrying the IMS control point information is sent to institute
State Serving GPRS Support Node.
The mobile switching centre is further used for：IMS control point information is being inquired to the Serving GPRS Support Node
Before, receive call request or handover request.
As can be seen from the above technical solutions, in the present invention, ICP information is to be supplied to MSC by SGSN, therefore MSC can
Not support IMS signalings, and ICP information can be obtained without increasing new interface and agreement, so the present invention can apply
In more application scenarios.
Description of the drawings
Fig. 1 is the flow chart that MSC obtains ICP information in the prior art；
Fig. 2 is that the MSC of the embodiment of the present invention one obtains the flow chart of ICP information；
Fig. 3 is that the MSC of the embodiment of the present invention two obtains the flow chart of ICP information；
Fig. 4 is the structure chart for the system that a kind of MSC of the embodiment of the present invention obtains ICP information.
Specific embodiment
The present invention is described in further detail below by way of several embodiments.
Embodiment one
Fig. 2 is that the MSC of the embodiment of the present invention one obtains the flow chart of ICP information, describes UE after the initiation calling of CS domains,
By MSC by CS call anchorings in the process of IMS domain, which includes：
Step 201：UE initiates registration request by ps domain to IMS network, for example sends Register message.
Step 202：Registration request is transmitted to ICP by registration request by way of P-CSCF, P-CSCF.
Step 203：ICP forwards another registration request to S-CSCF, and ICP information is carried in another registration request, should
ICP information can be the information of direct positioning ICP, such as the number of ICP, address or mark or the letter of indirect addressing ICP
Breath, such as the index of ICP, can also be any combination of above-mentioned various information.
Step 204：S-CSCF allows UE access IMS network, then returns to registration response, for example sends " 200 OK " and disappear
Breath.
Step 205：After ICP receives registration response, registration response is transmitted to P-CSCF.
Step 206：After P-CSCF receives registration response, registration response is transmitted to UE.
Step 202-206 describes situations of the ICP between P-CSCF and S-CSCF, if ICP is on IBCF or MSC；
Wherein, MSC herein can be the MSC (MSC i.e. shown in Fig. 2) or other MSC of UE attachments.If ICP is attached in UE
On the MSC, since ICP is independent functional entity, step 202-206 and follow-up step 213-215 do not become
Change.
If ICP, on P-CSCF, step 202-206 is reduced to：
After P-CSCF receives registration request, another registration request is forwarded to S-CSCF, is carried in another registration request
ICP information；
S-CSCF allows UE access IMS network, then returns to registration response, for example sends " 200 OK " message；
After P-CSCF receives registration response, registration response is transmitted to UE.
If ICP, on S-CSCF, step 202-206 is reduced to：
Registration request is transmitted to S-CSCF by registration request by way of P-CSCF, P-CSCF；
S-CSCF allows UE access IMS network, then returns to registration response；
After P-CSCF receives registration response, registration response is transmitted to UE.
These above-mentioned steps belong to IMS registration process, and UE and IMS network are likely present other IMS message interaction process,
For example UE initiates IMS calling procedures, when Invite (invitation) message of IMS call requests passes through ICP, (ICP is not in S- by ICP
On CSCF) ICP information can be also carried in the Invite message forwarded to S-CSCF.
Step 207：S-CSCF carries the registration request of ICP information according to the signing information of UE to AS forwardings.
In IMS calling procedures, what S-CSCF was forwarded to AS is the Invite message that carries ICP information.
Step 208：AS returns to registration response to S-CSCF, for example sends " 200 OK " message.
Step 209：The notification message for carrying ICP information is sent to SGSN by AS, for example is sent and carried ICP information
Insert Subscriber Data (insertion user data) message.
Step 210：UE sends call request in CS domains to MSC, for example sends Setup (foundation) message.
Step 211：After receiving call request, MSC inquires ICP information to SGSC, for example sends Identity Request
(identification request) message.
Step 212：SGSN returns to the response for carrying ICP information, for example sends the Identity for carrying ICP information
Response (mark response) message.
So far, MSC obtains ICP information.
Step 213：MSC sends call request according to ICP information to ICP, for example when MSC does not support IMS signalings, sends
IAM (Initial Address Message, initial address message)；Or when MSC supports IMS signalings, send Invite and disappear
Breath.
Step 214：ICP continues subsequent IMS calling procedures.
Step 215：After ICP receives called response, call is sent to MSC, for example sends ANM (Answer
Message, response message) or " 200 OK " message.
Step 216：MSC sends call to UE, for example sends Connect (connection) message.
If ICP, on AS, the ICP information that AS is sent to SGSN in step 209 is generated by AS rather than by S-
CSCF forwardings come, and step 202-208 becomes：
Registration request is transmitted to S-CSCF by registration request by way of P-CSCF, P-CSCF；
S-CSCF allows UE access IMS network, then returns to registration response, for example sends " 200 OK " message；
After P-CSCF receives registration response, registration response is transmitted to UE；
S-CSCF forwards registration request according to the signing information of UE to AS；
AS returns to registration response to S-CSCF, for example sends " 200 OK " message.
From the deformation of above step 202-208, when ICP is when on AS, the registration request or Invite message of forwarding
In there is no ICP information.
Embodiment two
Fig. 3 is that the MSC of the embodiment of the present invention two obtains the flow chart of ICP information, describes sessions of the UE in CS domains and is turned
Ps domain is moved on to, the process shifted notifying ICP by MSC therebetween, the process includes：
Step 301-308：Identical with step 201-208 in Fig. 2, details are not described herein.
Step 309：The new information for carrying ICP information is sent to HSS by AS, and (HomeSubscriber Server, return
Belong to client server), for example send Sh-push (Sh- push) message for carrying ICP information.
If ICP, on AS, ICP information is generated by AS；Otherwise, ICP information is transmitted to AS by S-CSCF.
Step 310：HSS carries the notification message of ICP information to SGSN transmissions, for example sends and carry ICP information
Insert Subscriber Data message.
Step 309-310 can also be replaced by the step 209 in Fig. 2.
Step 311：UE initiates calling in CS domains or receives calling in CS domains and have meeting in CS domains already-existing session, such as UE
Words, during session carries out, base station sub-system determines the CS domains session of UE being switched to ps domain, and then sending switching to MSC please
Ask, triggering CS domains arrive ps domain handoff procedure, such as transmission Handover Request (handover request) message or
Relocation Request (redirection request) message.
Step 312：After receiving handover request, MSC inquires ICP information to SGSC, for example sends Identity Request
Message.
Step 313：SGSN returns to the response for carrying ICP information, for example sends the Identity for carrying ICP information
Response message.
So far, MSC obtains ICP information.
Step 314：MSC sends transfer request according to ICP information to ICP, for example when MSC does not support IMS signalings, sends
IAM message；Or when MSC supports IMS signalings, send Invite message.
Step 315：ICP returns to transfer response to MSC, for example sends " 200 OK " message.
Step 316：MSC notices UE is switched to ps domain, for example sends Handover Command (switching command) message.
Step 317：With step 315 simultaneously, ICP initiations are rebuild the Media Gateway that ICP is controlled and are connected with the media of distal end UE
Process, for example send reInvite (again invite) message to distal end UE or send Invite message and from AS to distal end to AS
UE sends reInvite message.
Step 318：After step 316, UE is modulated to ps domain, and IMS network is accessed by ps domain.
Step 319：UE initiates transfer request in ps domain, for example sends Invite message or reInvite message.
Step 320：After ICP receives transfer request, transfer response is returned to UE, for example sends " 200OK " message.
Step 321：ICP establishes the Media Gateway of ICP controls according to the UE transfer requests initiated and the media of UE connect, and
By the bridge joint effect of ICP UE is allow to continue to conversate with distal end UE in ps domain.
Process in embodiment two after step 313 can also have other implementations, and embodiment two only illustrates wherein
A kind of implementation of situation, but the process after step 313 has no effect on the process between step 301-313.
To realize the above method, the embodiment of the present invention also provides the system that a kind of MSC obtains ICP information.As shown in figure 4,
The system includes：AS, SGSN and MSC；Wherein,
AS, for ICP information to be supplied to SGSN；
MSC, for inquiring IMS control point information to SGSN；
SGSN, for after the inquiry from MSC is received, ICP information to be sent to MSC.
The AS is further used for：When ICP is not when on the AS, receive described in the ICP sent by IMS processes
ICP information.How ICP sends ICP information to AS by IMS processes and can be found in step 203-207, and details are not described herein.
The system also includes：HSS, for receiving the new information for carrying the ICP information that the AS is sent, and
The notification message for carrying the ICP information is sent to the SGSN.
The mobile switching centre is further used for：Before ICP information is inquired to the SGSN, receive call request or cut
Change request.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (8)
1. a kind of method that mobile switching centre obtains IMS control point information, which is characterized in that the described method includes：
IMS control point information is supplied to Serving GPRS Support Node by application server；
The Serving GPRS Support Node sends out the IMS control point information after the inquiry from mobile switching centre is received
Give the mobile switching centre；
Wherein, the IMS control point includes：P-CSCF or I-CSCF or IBCF or ATCF or AS is controlled with IMS signalings
The entity of function or the MSC with IMS signaling capabilities.
2. the method that mobile switching centre according to claim 1 obtains IMS control point information, which is characterized in that work as IMS
IMS control point information is supplied to service GPRS Zhi Chijie by control point not when on the application server, in application server
Before point, the method further includes：
The IMS control point information is sent to the application server by IMS control point by IMS processes.
3. the method that mobile switching centre according to claim 1 obtains IMS control point information, which is characterized in that described
IMS control point information is supplied to the Serving GPRS Support Node to be by application server：
The notification message for carrying the IMS control point information is sent to the service GPRS Zhi Chijie by the application server
Point；Or
The new information for carrying the IMS control point information is sent to home subscriber server by the application server；Institute
It states home subscriber server and the notification message for carrying the IMS control point information is sent to the service GPRS Zhi Chijie
Point.
4. the method that mobile switching centre according to claim 1 obtains IMS control point information, which is characterized in that described
Before Serving GPRS Support Node receives the inquiry from mobile switching centre, the method further includes：The mobile switching centre
Receive call request or handover request.
5. a kind of system that mobile switching centre obtains IMS control point information, which is characterized in that the system comprises：Using clothes
Be engaged in device, Serving GPRS Support Node and mobile switching centre；Wherein,
Application server, for IMS control point information to be supplied to Serving GPRS Support Node；
Mobile switching centre, for inquiring IMS control point information to Serving GPRS Support Node；
Serving GPRS Support Node, for after the inquiry from mobile switching centre is received, IMS control point information to be sent to
The mobile switching centre；
Wherein, the IMS control point includes：P-CSCF or I-CSCF or IBCF or ATCF or AS is controlled with IMS signalings
The entity of function or the MSC with IMS signaling capabilities.
6. the system that mobile switching centre according to claim 5 obtains IMS control point information, which is characterized in that described
Application server is further used for：When IMS control point is not when on the application server, receives the IMS control point and pass through
The IMS control point information that IMS processes are sent.
7. the system that mobile switching centre according to claim 5 obtains IMS control point information, which is characterized in that described
System further includes：Home subscriber server carries the IMS control point information for receive that the application server sends
New information, and the notification message for carrying the IMS control point information is sent to the Serving GPRS Support Node.
8. the system that mobile switching centre according to claim 5 obtains IMS control point information, which is characterized in that described
Mobile switching centre is further used for：Before IMS control point information is inquired to the Serving GPRS Support Node, receiving calling please
It asks or handover request.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110023086.6A CN102612048B (en) | 2011-01-19 | 2011-01-19 | Mobile switching centre obtains the method and system of IMS control point information |
| PCT/CN2012/070429 WO2012097718A1 (en) | 2011-01-19 | 2012-01-16 | Ims control node information acquiring method and system for mobile switching center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110023086.6A CN102612048B (en) | 2011-01-19 | 2011-01-19 | Mobile switching centre obtains the method and system of IMS control point information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102612048A CN102612048A (en) | 2012-07-25 |
| CN102612048B true CN102612048B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110023086.6A Expired - Fee Related CN102612048B (en) | 2011-01-19 | 2011-01-19 | Mobile switching centre obtains the method and system of IMS control point information |
Country Status (2)
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| WO (1) | WO2012097718A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142833A (en) * | 2005-02-23 | 2008-03-12 | 阿尔卡特朗讯公司 | Device for controlling a cs domain subscriber terminal access to an IMS communication network services |
| CN101695156A (en) * | 2009-10-15 | 2010-04-14 | 杭州东信北邮信息技术有限公司 | Method and system for providing IMS service and call assistant service to GMS network users simultaneously |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1997343A4 (en) * | 2006-03-13 | 2009-11-04 | Telcordia Tech Inc | Wireless intelligent network (win) support for centralized service control in an ip multimedia subsystem (ims) network |
| CN100555994C (en) * | 2006-08-01 | 2009-10-28 | 华为技术有限公司 | Circuit domain call is routed to the method and system of packet domain |
-
2011
- 2011-01-19 CN CN201110023086.6A patent/CN102612048B/en not_active Expired - Fee Related
-
2012
- 2012-01-16 WO PCT/CN2012/070429 patent/WO2012097718A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142833A (en) * | 2005-02-23 | 2008-03-12 | 阿尔卡特朗讯公司 | Device for controlling a cs domain subscriber terminal access to an IMS communication network services |
| CN101695156A (en) * | 2009-10-15 | 2010-04-14 | 杭州东信北邮信息技术有限公司 | Method and system for providing IMS service and call assistant service to GMS network users simultaneously |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012097718A1 (en) | 2012-07-26 |
| CN102612048A (en) | 2012-07-25 |
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