CN102695149B - Access communications network - Google Patents
Access communications network Download PDFInfo
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- CN102695149B CN102695149B CN201210182740.2A CN201210182740A CN102695149B CN 102695149 B CN102695149 B CN 102695149B CN 201210182740 A CN201210182740 A CN 201210182740A CN 102695149 B CN102695149 B CN 102695149B
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Abstract
The invention provides and a kind ofly promote that client terminal is from the method for the access network of the non-session initiation protocol compliant of such as circuit-switched network and so on access IMS service.Said method comprising the steps of: receive request message from client terminal; In response to the reception of described request message, distribute from the terminal adapter in multiple terminal adapter to client terminal; And the message of the address for reporting distributed terminal adapter is sent to client terminal.
Description
Invention field
The present invention relates to the method and apparatus for accessing (access) communication network, and particularly relate to distributing terminals adapter (adapter) to allow subscriber equipment from the method for Circuit Switched access network access IP Multimedia System network.
background of invention
Unstructured. supplementary service data (USSD) is defined in GSM02.90 (UMTS22.090) and GSM03.90 (UMTS23.090).This is a kind of technology built in global system for mobile communications (GSM) standard, and for being supported in transmission information in GSM network, and it can also be used for universal mobile telecommunications system (UMTS) technology.USSD allows carrying out text based user interactions based between GSM/UMTS public land mobile net network (PLMN) and the application of subscriber equipment (UE).USSD is used as " trigger (trigger) " for the service of calling or application.
USSD message or can use the subscriber of UE to initiate by network, UE (term UE is used as the generic name containing travelling carriage, MS and other-end type in this manual).In the USSD message that network is initiated, text string to UE solicited message, or only can be sent to UE and show to UE by network.See Fig. 1, wherein schematically illustrate the example of the known route of USSD message, as at 3GPPTS23.078 and US5,752, described in 188.
USSD message comprises service code (SC), and it is identified at the action will taked when receiving USSD message.For the USSD message that UE initiates, SC is generated by UE or subscriber, and comprises numeral, word and/or symbol.All be not interpreted as USSD by UE by any SC that UE identifies.Identified SC is mapped as supplemental services operation (SS-operation) defined in GSM/UMTS, such as registering/canceling registration/activation/deactivation (deactivation), and the inquiry of the supplemental services of such as call diversion or call barring and so on.
Unrecognized go out SC on network, be sent to mobile switching centre (MSC)/visitor (visitor) location register (VLR) with the form of USSD message from UE.MSC/VLR comprises USSD processor (handler), and described processor pair SC analyzes.If USSD processor identifies SC, then perform the action that SC triggers.That is, if the application corresponding to SC resides in MSC/VLR, then USSD is delivered to this application by USSD processor.
If the USSD processor at MSC/VLR place does not identify SC, then USSD message is forwarded to the attaching position register (HLR) of subscriber.HLR also comprises USSD processor, and described processor pair SC carries out analyzing to determine whether there is the HLR internal applications 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 HLR checks that USSD General CAMEL Service information (UG-CSI) is to check the HLR applications whether existed corresponding to this SC.The address pointing to this external node is found in UG-CSI.The address pointing to this external node can be unique (unique) for each user, it is unique for one group of subscriber to be or can be identical for using all subscribers of this HLR.The external node that host (host) USSD applies can be, the translater (translator) between agreement that such as, USSD form on GSM Service controll function (gsmSCF), information service (news of such as today or weather) or SS7 and IP the carry service of SOAP (such as sing on web (network) serves/).
US6,330,445 route optimizations describing USSD, as shown in Figure 2, it allows the MSC/VLR receiving USD message that this message is routed directly to PLMN external node.
In 3GPP version 8, describe IMS centralized (centralised) service (ICS), it makes IMS service can be provided access (access) by using dissimilar access network (comprising circuit switching (CS) network).Service-Engine is in the ims network resident, and CS network is only for accessing IMS service.It is a kind of that to provide the mode of the access of IMS service from CS network be the station adapter (TA) using Simulation with I MS terminal.TA communicates with accessing terminal with in side, and at opposite side and IMS service engine communication.TA takes on the gateway between the SIP/XCAP signaling that uses in the agreement and IMS carried on USSD effectively.So such as, USSD message " translation " can become sip invite message to initiate the session with reciprocity UE by TA.ICS subscriber can roam in any CSPLMN, and described CSPLMN or can not support ICS (ICScapable).Therefore, it is desirable to allow TA to be distributed to the subscriber in both the Legacy network (legacynetwork) without ICS function and the network supporting ICS.
Summary of the invention
According to a first aspect of the invention, provide the method for a kind of promotion client terminal from the access network access IMS service of non-compliant (compliant) Session initiation Protocol, described method comprises:
Request message is received from client terminal;
In response to the reception of described request message, distribute from the terminal adapter in multiple terminal adapter to client terminal;
The message of the address for reporting distributed terminal adapter is sent to client terminal.
Preferably, the step of this method is performed at individual node place.
The access network of described non-session initiation protocol compliant can be Circuit Switched access network.
In order to the distribution of accessory terminal adapter, request message can comprise the identifier of identifying user equipment, and described method comprises carrys out distributing terminals adapter according to identifier.Identifier can be selected from International Mobile Equipment Identity mark one of IMEI and medium access control MAC Address.
Described multiple terminal adapter can comprise organizes terminal adapter more, and often group relates to a kind of type of user terminal.
Described multiple terminal adapter can comprise organizes terminal adapter more, and often group relates to a kind of COS.
The method preferably includes: before distributing terminals adapter, sends inquiry to subscriber database and/or terminal database; And
Response is received from subscriber database and/or terminal database; And
Terminal adapter is selected according to described response.
Preferably, request message comprises unstructured. supplementary service data, and described unstructured. supplementary service data comprises IP Multimedia System centralised services data.
According to a second aspect of the invention, provide a kind of method of message being carried out to route between client terminal and terminal adapter, terminal adapter provides the interface between the network of non-session initiation protocol compliant and IMS network, and described method comprises:
Send message from client terminal to IMS centralised services node, described message comprises the address of selected terminal adapter; And
Message is sent from IMS centralised services node to the terminal adapter of terminal adapter address.
According to a third aspect of the invention we, provide a kind of method of message being carried out to route between client terminal and terminal adapter, terminal adapter provides the interface between the network of non-session initiation protocol compliant and IMS network, and described method comprises:
From client terminal to Information Mobile Service, switching center/visitor location register sends message;
Message is sent from Information Mobile Service switching center/visitor location register to the IMS centralised services node of attaching position register; And
Message is sent from IMS centralised services node to selected terminal adapter.
According to a forth aspect of the invention, provide for the node to client terminal distributing terminals adapter in a kind of communication network, described node comprises:
For receiving the device sent from the request message of client terminal;
For selecting the device of terminal adapter from multiple terminal adapter;
For sending the device of message to client terminal, described message comprises the address of selected terminal adapter.
Request message can comprise the identifier of mark client terminal; And described identifier can be used to select terminal adapter for selecting the device of terminal adapter.
Described node can also comprise:
For sending the device of inquiry to terminal database and/or subscriber database;
For receiving the device of response from terminal database and/or subscriber database;
Wherein, for selecting the device of terminal adapter to use described response to select terminal adapter.
According to a fifth aspect of the invention, provide a kind of for Information Mobile Service switching center/visitor location register node in the mobile communication network, described node comprises:
For the device from client terminal receipt message, described message comprises the address of terminal adapter; And
For sending the device of message to (addressed) terminal adapter of institute's addressing.
Accompanying drawing is sketched
Fig. 1 schematically illustrates the example of the known route of USSD message;
Fig. 2 schematically illustrates another example of the known route of USSD message;
Fig. 3 schematically illustrates and uses terminal adapter to access the access network of IMS network;
Fig. 4 schematically illustrates in Circuit Switched Public Land mobile network to user equipment allocation terminal adapter;
Fig. 5 schematically illustrates the route of USSD message from subscriber equipment to terminal adapter; And
Fig. 6 schematically illustrates the interchangeable route of USSD message from subscriber equipment to terminal adapter.
the detailed description of preferred embodiment
See Fig. 3, which schematically illustrate circuit switching (CS) access network using terminal adapter (TA) to access IMS network.The subscriber equipment (UE) taking on IMS centralized service (ICS) client in CS public land mobile net network (PLMN) via Information Mobile Service switching center (MSC)/visitor location register (VLR) and attaching position register after this (HLR) in IMS network or the ICS terminal adapter (TA) of IMS network boundary send message.All communications between UE and IMS network are all via ICS-TA.
Desirably when needs TA, dynamic assignment is carried out to TA.For realizing this point, need TA pond (pool), when there is signaling, the TA in this TA pond is assigned to subscriber/terminal.Compared to dynamic assignment, static allocation cost is higher, and reason is TA meeting long-term immobilization and therefore can not be used efficiently.
Subscriber can subscribe different services and use the terminal with certain limit of power to visit IMS service.Therefore, be favourable by the terminal supported and COS to subscriber/terminal distribution TA as required.Support that senior (advanced) terminal of up-to-date ICS specification will such as need the TA more more senior than simple terminal.The subscriber that have subscribed to advanced IMS service combination (portfolio) will need more senior TA equally.Following service and ability may need extra TA function.Because different service and terminal can be used, therefore TA is integrated in pond by the function that they possess as required.Requirement according to subscriber/terminal comes to its distribution T A.
See Fig. 4, which schematically illustrate in CS-PLMN to UE distribution T A.Signaling is as follows:
The ICS client of 1.UE sends request to network, 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 via MSC/VLR and HLR by this request forward to ISC-TA distributor.
2. this message is received by TA distributor function.TA distributor checks Termination ID, and Termination ID is used to the TA that determines to need which kind of type.Termination ID can be such as the International Mobile Station Equipment Identification (IMEI) being received from terminal.Alternatively, medium access control (MAC) address can be used as Termination ID, and in this case, this terminal will need to obtain MAC Address before the message is transmitted.
3.TA distributor can inquire about the external data base of such as terminal database and so on or the subscriber database of such as home subscriber servers (HSS) and so on determines to need the TA of which kind of type with the service of subscribing according to ability or the user of such as subscriber equipment.Inquiry for HSS can be nontransparent Sh, transparent Sh or both.
4. the TA of particular type is distributed according to the inquiry in step 2 and 3.The distribution of TA also be can be depending on to the load of network.TA distributor forwards HLR address and/or MAC/VLR address to distributed TA, with the USSD dialogue allowing distributed TA to initiate after this network initiation.
5. the address report of distributed TA is returned the ICS client in UE.
Once TA is assigned to UE, any message sending the ICS client in UE all comprises the address of TA.The USSD routing to this TA will show efficient as much as possible in the CS network with ICS support, and will be also available in the network not having ICS to support.
Fig. 5 shows the route of optimization, has wherein used ICS-R (ICS route) function to upgrade to MSC.ICS-R explains the USSD application with 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, described address by UE insert (this be by TA distributor the TA address that returns).ICS-R uses TA address that USSD message is routed directly to TA, and without the HLR of subscriber.ICS-R can transmit (relay) this message by SS7 or IP-based agreement (agreement of such as sing on web service).In both cases, MSC address is included to allow TA to start the action of network initiation.By walking around HLR, message sends more efficient.
USSD message also comprises ICS activity code and comprises other parameters alternatively.These correspond to the ICS agreement carried in USSD.ICS activity can be such as " maintenance calling ", " recovering (resume) calling ", " register call forwarding number " etc.
In the Legacy network without ICS ability, USSD route will be also available.When not yet upgrading to MSC/VLR by ICS-R function, use the common USSD route via HLR.When UE sends USSD message to MSC/VLR, MSC/VLR does not identify USSD message (reason is that it does not identify SC), and message is forwarded to the HLR of subscriber by MSC/VLR.The HLR of subscriber has ICS-R function, and therefore, it is possible to explain this data, and the service code particularly transmitted in USSD message.HLR reads the TA address comprised in this message, and by SS7 or IP, USSD message is sent to TA.
Those skilled in the art will appreciate that and can carry out various amendment to above-described embodiment without departing from the scope of the invention.Such as, above description relates to from CS network insertion IMS network.However, it is applicable to the network insertion IMS network from any non-session initiation protocol compliant (SIP).In addition, when description relates to UE, the present invention is applicable to any client terminal of the network insertion IMS network from non-compliant SIP.
Claims (3)
1. message is carried out to a method for route between client terminal and terminal adapter, terminal adapter provides the interface between the network of non-session initiation protocol compliant and IMS network, and described method comprises:
Send message from client terminal to IMS centralised services node, described message comprises the address of the terminal adapter distributing to client terminal from multiple terminal adapter; And
Get the address of the terminal adapter of the distribution in described message and used by IMS centralised services node the address of the terminal adapter distributed USSD message to be routed directly to the terminal adapter of distribution.
2. message is carried out to a method for route between client terminal and terminal adapter, terminal adapter provides the interface between the network of non-session initiation protocol compliant and IMS network, and described method comprises:
From client terminal to Information Mobile Service, switching center/visitor location register sends message, and described message comprises the address of the terminal adapter distributing to client terminal from multiple terminal adapter;
Described message is sent from Information Mobile Service switching center/visitor location register to the IMS centralised services node of attaching position register; And
Get the address of the terminal adapter of the distribution in described message and used by IMS centralised services node the address of the terminal adapter distributed USSD message to be routed directly to the terminal adapter of distribution.
3., for Information Mobile Service switching center/visitor location register node in the mobile communication network, described node comprises:
For the device from client terminal receipt message, described message comprises the address of the terminal adapter distributing to client terminal from multiple terminal adapter; And
USSD message is routed directly to the device of the terminal adapter of distribution by the address of terminal adapter distributed for the address and using of getting the terminal adapter of the distribution in described message.
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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800562642A Division CN101536450B (en) | 2006-11-03 | 2006-11-03 | Accessing a communications network |
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| Publication Number | Publication Date |
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| CN102695149A CN102695149A (en) | 2012-09-26 |
| CN102695149B true CN102695149B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210182740.2A Expired - Fee Related CN102695149B (en) | 2006-11-03 | 2006-11-03 | Access communications network |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Citations (4)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002102107A1 (en) * | 2001-06-08 | 2002-12-19 | Nokia Corporation | Accessing ip multimedia subsystem |
| US7283517B2 (en) * | 2003-07-22 | 2007-10-16 | Innomedia Pte | Stand alone multi-media terminal adapter with network address translation and port partitioning |
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2006
- 2006-11-03 CN CN201210182740.2A patent/CN102695149B/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
| CN1810007A (en) * | 2003-06-19 | 2006-07-26 | 艾利森电话股份有限公司 | Conversational bearer negotiation |
| GB2410855A (en) * | 2004-02-04 | 2005-08-10 | Vodafone Plc | Telecommunication system communication sessions |
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| CN102695149A (en) | 2012-09-26 |
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Granted publication date: 20160127 Termination date: 20191103 |