CN102695149A - Access communication network - Google Patents
Access communication network Download PDFInfo
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- CN102695149A CN102695149A CN2012101827402A CN201210182740A CN102695149A CN 102695149 A CN102695149 A CN 102695149A CN 2012101827402 A CN2012101827402 A CN 2012101827402A CN 201210182740 A CN201210182740 A CN 201210182740A CN 102695149 A CN102695149 A CN 102695149A
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Abstract
The invention provides a method for prompting a client terminal to access an IMS (Information Management System) service from an access network which does not follow a session initiating protocol such as a circuit switching network. The method comprises the following steps of: receiving a request message from the client terminal; distributing a terminal adapter from a plurality of terminal adapters to the client terminal in response to the receiving of the request message; and transmitting information for reporting an address of the distributed terminal adapter to the client terminal.
Description
Invention field
The present invention relates to be used for inserting the method and apparatus of (access) communication network, and relate in particular to distributing terminals adapter (adapter) to allow the method for subscriber equipment from circuit switching access network access IP Multimedia System network.
Background of invention
In GSM 02.90 (UMTS 22.090) and GSM 03.90 (UMTS 23.090), defined unstructured. supplementary service data (USSD).This is a kind of technology that in global system for mobile communications (GSM) standard, makes up, and is used to be supported in GSM transmission over networks information, and it can also be used for UMTS (UMTS) technology.USSD allows between the application based on GSM/UMTS public land mobile net network (PLMN) and subscriber equipment (UE), to carry out the text based user interactions.USSD is used as " trigger (trigger) " that is used to the service of calling or uses.
USSD message can or use the subscriber of UE to initiate by network, UE (term UE is used as the generic name that has comprised travelling carriage, MS and other-end type in this manual).In the USSD message that network is initiated, network can be to the UE solicited message, or only text string is sent to UE and shows to UE.Referring to Fig. 1, wherein schematically illustrate the instance of the known route of USSD message, as at 3GPP TS 23.078 and US 5,752, described in 188.
USSD message comprises service code (SC), and it is identified at the action that will take when receiving USSD message.For the USSD message that UE initiates, SC is generated by UE or subscriber, and comprises numeral, literal and/or symbol.Any SC that is not identified by UE is interpreted as USSD by UE.Identified SC is mapped as defined supplemental services operation (SS-operation) in GSM/UMTS, for example registering/canceling registration/activation (deactivation), and the inquiry of the supplemental services such as calling out switching or call barring.
The unrecognized SC form with USSD message on network that goes out is sent to mobile switching centre (MSC)/visitor (visitor) location register (VLR) from UE.MSC/VLR comprises USSD processor (handler), and said processor pair SC analyzes.If the USSD processor identifies SC, the action of then carrying out SC and being triggered.That is, if reside among the MSC/VLR corresponding to the application of SC, then the USSD processor is delivered to this application with USSD.
If the USSD processor at MSC/VLR place does not identify SC, then USSD message is forwarded to subscriber's attaching position register (HLR).HLR also comprises the USSD processor, and said processor pair SC analyzes to determine whether to exist the HLR internal application corresponding to this SC.If there is coupling, then USSD is delivered to this application.
If the USSD processor at HLR place does not identify SC, then the HLR inspection general CAMEL information on services of USSD (UG-CSI) is to check the HLR applications that whether exists corresponding to this SC.In UG-CSI, find the address of pointing to this external node.Point to this external node the address can for for each user be unique (unique), for for one group of subscriber be unique, or can for all subscribers that use this HLR, be identical.The external node that host (host) USSD uses can be, the translater (translator) between the agreement of for example being carried on USSD form on GSM service controlled function (gsmSCF), information service (for example Today's news or weather) or the SS7 and the IP (for example based on Web (network) service/SOAP service).
US 6,330, and 445 have described the optimization route of USSD, and as shown in Figure 2, it allows the MSC/VLR that receives USD message that this message is routed directly to the PLMN external node.
In 3GPP version 8, described IMS centralized (centralised) service (ICS), it makes the IMS service to be provided visit (access) through using dissimilar access networks (comprising circuit switching (CS) network).Service-Engine resides in the IMS network, and the CS network only is used to visit the IMS service.A kind of station adapter (TA) that the access modes of IMS service is to use Simulation with I MS terminal that provides from the CS network.TA with communicate by letter with accessing terminal in a side, and communicate by letter with the IMS service-Engine at opposite side.Gateway among agreement that TA takes on USSD to be carried effectively and the IMS between the employed SIP/XCAP signaling.So for example, TA can become sip invite message with the session of initiation with reciprocity UE USSD message " translation ".The ICS subscriber can roam among any CS PLMN, and said CS PLMN can or can not support ICS (ICS capable).Therefore, hope to allow TA distributed to and do not have leaving over network (legacy network) and supporting the subscriber in the network this two of ICS of ICS function.
Summary of the invention
According to a first aspect of the invention, the access network visit IMS service method of a kind of promotion client terminal from non-deferring to (compliant) Session initiation Protocol is provided, said method comprises:
Receive request message from client terminal;
In response to the reception of described request message, distribute from the terminal adapter in a plurality of terminal adapters to client terminal;
Send the message of the address be used to report the terminal adapter that is distributed to client terminal.
Preferably, carry out the step of this method at the individual node place.
The said non-access network of deferring to Session initiation Protocol can be the circuit switching access network.
For the distribution of accessory terminal adapter, request message can comprise identifying user equipment mark symbol, and said method comprises according to identifier comes the distributing terminals adapter.Identifier can be selected from one of International Mobile Equipment Identity sign IMEI and medium access control MAC Address.
Said a plurality of terminal adapter can comprise many group terminal adapters, and every group relates to a kind of type of user terminal.
Said a plurality of terminal adapter can comprise many group terminal adapters, and every group relates to a kind of COS.
This method preferably includes: before the distributing terminals adapter, send inquiry to subscriber database and/or terminal database; And
Receive response from subscriber database and/or terminal database; And
Select terminal adapter according to said response.
Preferably, request message comprises unstructured. supplementary service data, and said unstructured. supplementary service data comprises the IP Multimedia System centralised services data.
According to a second aspect of the invention, a kind of method of between client terminal and terminal adapter, message being carried out route is provided, terminal adapter provides the non-network of Session initiation Protocol and the interface between the IMS network deferred to, and said method comprises:
Send message from client terminal to the IMS centralised services node, said message comprises the address of selected terminal adapter; And
Send message from the terminal adapter of IMS centralised services node to the terminal adapter address.
According to a third aspect of the invention we, a kind of method of between client terminal and terminal adapter, message being carried out route is provided, terminal adapter provides the non-network of Session initiation Protocol and the interface between the IMS network deferred to, and said method comprises:
Serve switching center/visitor location register transmission message from client terminal to moving;
Serve switching center/visitor location register to the IMS of attaching position register centralised services node transmission message from moving; And
Send message from the IMS centralised services node to selected terminal adapter.
According to a forth aspect of the invention, the node that is used in a kind of communication network to client terminal distributing terminals adapter is provided, said node comprises:
Be used to receive the device of transmission from the request message of client terminal;
Be used for selecting the device of terminal adapter from a plurality of terminal adapters;
Be used for sending to client terminal the device of message, said message comprises the address of selected terminal adapter.
Request message can comprise the identifier that identifies client terminal; And be used to select the device of terminal adapter can use said identifier to select terminal adapter.
Said node can also comprise:
Be used for sending the device of inquiry to terminal database and/or subscriber database;
Be used for receiving the device that responds from terminal database and/or subscriber database;
Wherein, be used to select the device of terminal adapter to use said response to select terminal adapter.
According to a fifth aspect of the invention, the mobile switching center/visitor location register node of serving that provides a kind of confession in mobile communications network, to use, said node comprises:
Be used for receiving from client terminal the device of message, said message comprises the address of terminal adapter; And
Be used for sending the device of message to (addressed) of institute's addressing terminal adapter.
The accompanying drawing summary
Fig. 1 schematically illustrates the instance of the known route of USSD message;
Fig. 2 schematically illustrates another instance of the known route of USSD message;
Fig. 3 schematically illustrates the access network that uses terminal adapter to insert the IMS network;
Fig. 4 schematically illustrates in circuit switching public land mobile net network to the user equipment allocation terminal adapter;
Fig. 5 schematically illustrates the route of USSD message from the subscriber equipment to the terminal adapter; And
Fig. 6 schematically illustrates the interchangeable route of USSD message from the subscriber equipment to the terminal adapter.
DETAILED DESCRIPTION OF THE PREFERRED
Referring to Fig. 3, it schematically illustrates circuit switching (CS) access network that uses terminal adapter (ta) to insert the IMS network.The subscriber equipment (UE) of in CS public land mobile net network (PLMN), taking on IMS centralized service (ICS) client is served switching center (MSC)/visitor location register (VLR) and attaching position register after this (HLR) comes ICS terminal adapter (ta) in the IMS network or IMS network boundary place to send message via moving.Between UE and the IMS network all are communicated by letter all via ICS-TA.
Desirable is when needs TA, TA to be carried out dynamic assignment.For realizing this point, need TA pond (pool), when signaling occurring, the TA in this TA pond is assigned to subscriber/terminal.Compared to dynamic assignment, the static allocation cost is higher, and reason is that TA can long-term immobilization and therefore can be by efficient use.
The subscriber can subscribe the terminal that different services and use have certain limit of power and visit the IMS service.Therefore, it is favourable that terminal that is supported as required and COS come to subscriber/terminal distribution TA.Support the TA that senior (advanced) terminal of up-to-date ICS standard will for example need be more more senior than simple terminal.The subscriber who has subscribed senior IMS service combination (portfolio) will need more senior TA equally.Following service and ability possibly need extra TA function.Because can use different services and terminal, so the function that they possessed as required is integrated into TA in the pond.Requirement according to subscriber/terminal comes to its distribution T A.
Referring to Fig. 4, it schematically illustrates in CS-PLMN to UE distribution T A.Signaling is following:
1.UE the ICS client to the network request of sending, to register the availability that it is called out for ICS.In this example, unstructured. supplementary service data (USSD) service code (SC) 22 is used to indicate this point, but it can be any SC value.Use common USSD route this request to be forwarded to the ISC-TA distributor via MSC/VLR and HLR.
2. this message is received by the TA distributor function.TA distributor inspection Termination ID, and Termination ID is used to need to confirm the TA of which kind of type.Termination ID can for example be the International Mobile Station Equipment Identification (IMEI) that is received from the terminal.Replacedly, medium access control (MAC) address can be used as Termination ID, and in this case, this terminal need obtain MAC Address before sending message.
3.TA distributor can be inquired about external data base or the subscriber database such as home subscriber servers (HSS) such as terminal database to confirm the TA of which kind of type of needs according to the ability of for example subscriber equipment or service that the user was subscribed.To the inquiry of HSS can be nontransparent Sh, transparent Sh or this two.
4. the TA that distributes particular type according to the inquiry in the step 2 and 3.The distribution of TA also can be depending on the load of network.The TA distributor is transmitted HLR address and/or MAC/VLR address to the TA that is distributed, and initiates the USSD dialogue of network initiation after this with the TA that allows to be distributed.
5. the address report of the TA that is distributed is returned the ICS client among the UE.
In case TA has been assigned to UE, any message of sending the ICS client in UE all comprises the address of TA.The USSD that routes to this TA will show efficiently as much as possible in the CS network with ICS support, and in the network that does not have ICS to support, also will be available.
Fig. 5 shows the route of optimization, has wherein used ICS-R (ICS route) function that MSC is upgraded.ICS-R is the USSD application that explanation has the USSD message of specific SC (be 23 in this example, but can use any SC value).ICS-R gets the TA address in this message, and (this is the TA address of being returned by the TA distributor) inserted by UE in said address.ICS-R uses the TA address that USSD message is routed directly to TA, and without subscriber's HLR.ICS-R can transmit (relay) this message through SS7 or IP-based agreement the agreement of Web service (for example based on).Under both of these case, the MSC address is included to and allows TA to start the action that network is initiated.Through walking around HLR, message is sent more efficient.
USSD message also comprises the ICS activity code and comprises other parameters alternatively.These are corresponding to the ICS agreement of being carried among the USSD.The ICS activity can be for example " maintenance calling ", " recovering (resume) calls out ", " register call forwarding number " or the like.
Do not have the leaving in the network of ICS ability, the USSD route also will be available.Under the situation of MSC/VLR not being upgraded as yet, use common USSD route via HLR with the ICS-R function.When UE when MSC/VLR sends USSD message, MSC/VLR does not identify USSD message (reason is that it does not identify SC), MSC/VLR is with the HLR of forwards to the subscriber.Subscriber's HLR has the ICS-R function, and therefore can explain these data, and the service code that particularly in USSD message, is transmitted.HLR reads the TA address that is comprised in this message, and through SS7 or IP USSD message is sent to TA.
Those skilled in the art will appreciate that and to carry out various modifications to the foregoing description without departing from the scope of the invention.For example, more than description relates to the network from CS network insertion IMS.However, it is applicable to from any non-network insertion IMS network of deferring to Session Initiation Protocol.In addition, when description related to UE, the present invention was applicable to from non-any client terminal of deferring to the network insertion IMS network of SIP.
Claims (5)
1. method of between client terminal and terminal adapter, message being carried out route, terminal adapter provides the non-network of Session initiation Protocol and the interface between the IMS network deferred to, and said method comprises:
Send message from client terminal to the IMS centralised services node, said message comprises the address of selected terminal adapter; And
Send message from the terminal adapter of IMS centralised services node to the terminal adapter address.
2. method of between client terminal and terminal adapter, message being carried out route, terminal adapter provides the non-network of Session initiation Protocol and the interface between the IMS network deferred to, and said method comprises:
Serve switching center/visitor location register transmission message from client terminal to moving;
Serve switching center/visitor location register to the IMS of attaching position register centralised services node transmission message from moving; And
Send message from the IMS centralised services node to selected terminal adapter.
3. node according to claim 2, wherein request message comprises the identifier that identifies client terminal; And
Be used to select the device of terminal adapter to use said identifier to select terminal adapter.
4. node according to claim 2 also comprises:
Be used for sending the device of inquiry to terminal database and/or subscriber database;
Be used for receiving the device that responds from terminal database and/or subscriber database;
Wherein, be used to select the device of terminal adapter to use said response to select terminal adapter.
5. mobile switching center/visitor location register node of serving that confession is used in mobile communications network, said node comprises:
Be used for receiving from client terminal the device of message, said message comprises the address of terminal adapter; And
Be used for sending the device of message to the terminal adapter of institute's addressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182740.2A CN102695149B (en) | 2006-11-03 | 2006-11-03 | Access communications network |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182740.2A CN102695149B (en) | 2006-11-03 | 2006-11-03 | Access communications network |
| CN2006800562642A CN101536450B (en) | 2006-11-03 | 2006-11-03 | Accessing a communications network |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006800562642A Division CN101536450B (en) | 2006-11-03 | 2006-11-03 | Accessing a communications network |
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| CN102695149A true CN102695149A (en) | 2012-09-26 |
| CN102695149B CN102695149B (en) | 2016-01-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856917A (en) * | 2012-11-28 | 2014-06-11 | 中兴通讯股份有限公司 | USSD (Unstructured Supplementary Service Data) service implementation method based on USSD AGW (Access Gateway) |
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|---|---|---|---|---|
| US5752188A (en) * | 1994-12-23 | 1998-05-12 | Telefonaktiebolaget Lm Ericsson | Unstructured supplementary service data from a home location register to an external node |
| US6330445B1 (en) * | 1999-03-01 | 2001-12-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for routing of a USSD message |
| WO2002102107A1 (en) * | 2001-06-08 | 2002-12-19 | Nokia Corporation | Accessing ip multimedia subsystem |
| US20050018651A1 (en) * | 2003-07-22 | 2005-01-27 | Innomedia Pte Ltd. | Stand alone multi-media terminal adapter with network address translation and port partitioning |
| GB2410855A (en) * | 2004-02-04 | 2005-08-10 | Vodafone Plc | Telecommunication system communication sessions |
| CN1810007A (en) * | 2003-06-19 | 2006-07-26 | 艾利森电话股份有限公司 | Conversational bearer negotiation |
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2006
- 2006-11-03 CN CN201210182740.2A patent/CN102695149B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5752188A (en) * | 1994-12-23 | 1998-05-12 | Telefonaktiebolaget Lm Ericsson | Unstructured supplementary service data from a home location register to an external node |
| US6330445B1 (en) * | 1999-03-01 | 2001-12-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system for routing of a USSD message |
| WO2002102107A1 (en) * | 2001-06-08 | 2002-12-19 | Nokia Corporation | Accessing ip multimedia subsystem |
| CN1810007A (en) * | 2003-06-19 | 2006-07-26 | 艾利森电话股份有限公司 | Conversational bearer negotiation |
| US20050018651A1 (en) * | 2003-07-22 | 2005-01-27 | Innomedia Pte Ltd. | Stand alone multi-media terminal adapter with network address translation and port partitioning |
| GB2410855A (en) * | 2004-02-04 | 2005-08-10 | Vodafone Plc | Telecommunication system communication sessions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856917A (en) * | 2012-11-28 | 2014-06-11 | 中兴通讯股份有限公司 | USSD (Unstructured Supplementary Service Data) service implementation method based on USSD AGW (Access Gateway) |
| CN103856917B (en) * | 2012-11-28 | 2018-03-02 | 中兴通讯股份有限公司 | The implementation method of USSD business based on USSD AGW |
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| CN102695149B (en) | 2016-01-27 |
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