CN101370172B - Method, system and device for processing message service communication of different types - Google Patents

Method, system and device for processing message service communication of different types Download PDF

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Publication number
CN101370172B
CN101370172B CN200710142001.XA CN200710142001A CN101370172B CN 101370172 B CN101370172 B CN 101370172B CN 200710142001 A CN200710142001 A CN 200710142001A CN 101370172 B CN101370172 B CN 101370172B
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sip message
called
message
sip
cscf
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CN101370172A (en
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陈芳
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200710142001.XA priority Critical patent/CN101370172B/en
Priority to PCT/CN2008/071955 priority patent/WO2009021453A1/en
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    • 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]

Abstract

The invention discloses a processing method of message service communication based on different types of a session initial protocol SIP. The method comprises that: an interworking function entity in the called network side receives SIP messages transmitted by the called side service calling control function S-CSCF from a calling user terminal UE based on a first type; converting the SIP messages based on the first type into the SIP messages based on the second type, and transmitting the SIP messages based on the second type to the called UE. The SIP messages based on different types are interworked by using the invention, and the service types are enriched. Meanwhile, the invention also discloses a system and a device of message service communication of different types.

Description

Processing method, system and the equipment of dissimilar messaging service communication
Technical field
The present invention relates to communication technical field, particularly processing method, system and the equipment of the dissimilar messaging service communication of session initiation protocol based (SIP, SessionInitiation Protocol).
Background technology
IP Multimedia System (IMS; IP Multimedia Subsystem) is the subsystem of 3GPP at the support IP multimedia service of stage 5 (Release5) version proposition; Its core characteristics be adopt Session Initiation Protocol and with the independence that inserts; Therefore IMS is a multimedia control/calling controlling platform on the IP territory; Support conversation class and non-conversation class multimedia service, for the multimedia application in future provides a general business to enable platform, it is to complete IP network (All IP Network) business the essential step of system evolution to be provided.Along with rise and development based on the access technology of IMS; How the messaging service with existing traditional mobile terminal is converted into the business that the IMS terminal can provide; On the basis of reusing existing mobile network short message business function entity and agreement as far as possible; Realization is based on the SIP based information series business of IMS framework; Instant message (Immediate Messaging) and conversation-based message (Session based messaging) like definition among the 3GPP (third generation gpp standardization body); And Session initiation Protocol (SIMPLE, SessionInitiation Protocol for Instant Messaging and Presence Leveraging Extensions) and traditional messaging service to instant messages and expression expansion of OMA definition; Like the Short Message Service (SMS) of 3GPP definition and the business intercommunication between the Enhanced Message Service (EMS), also be a target of each operator's question of common concern and 3GPP standardization body.
Because the EMS of 3GPP definition belongs to the SMS that strengthens type, for for simplicity, the short message in traditional C as herein described/PS territory has comprised the messaging service of SMS and two forms of EMS simultaneously.
Fig. 1 is the network frame that traditional short message service is realized at the use IP terminal of present 3GPP proposition, and wherein Short Message Entity (SME), Short Message Service Center (SM-SC), short message mobile switching centre gateway/short message intercommunication mobile switching centre (SMS-GMSC/SMS-IWMSC), home signature user server/attaching position register (HSS/HLR) are that existing mobile network is realized the functional entity that short message (SMS) is professional.SM-SC is used for storing short message; When SMS-GMSC is used for terminal reception short message, to HSS/HLR inquiry routing iinformation; SMS-IWMSC carries out authentication etc. when being used for the terminal and sending SMS message.The short message service center that uses in the network at present; All be that collection SM-SC, SMS-GMSC and three of SMS-IWMSC are the equipment of one; These three functional entitys are not realized as independent physical equipment; So promptly represent hereinafter, the equipment of SM-SC, SMS-GMSC and three one of SMS-IWMSC like no specified otherwise short message service center or traditional short message service center.HSS/HLR is used to store user's data information, comprises user's signing service data and routing iinformation.Network frame shown in Figure 1 also comprises charging network management function/charging data function (CGF/CDF) and Online Charging System (OCS); CGF/CDF is used to collect the also ticket information of the offline charging of process user; Be passed to the charging center then; OCS is used to collect the also ticket information of process user online charging, is passed to the charging center then.
Among Fig. 1; IP message gateway (IP-Message-GW; Also be designated as IP-SM-GW among hereinafter and the figure) gathered the function of the entity SMI AS (Short Message/IMS messaging interworkingApplication Server) of message intercommunication; Be used to realize the communication between IP client and the GMSC/SMS-IWMSC; Need carry out IP network messaging protocol (promptly based on the IP-based communication protocol of using between IP terminal and the IP-Message-GW) and existing WCDMA/GSM network short-message protocol (is the MAP that uses between IP-Message-GW and the GMSC/SMS-IWMSC; Be similar in the implementation procedure of present short message the MAP between MSC and SGSN and the GMSC/SMS-IWMSC) between the intercommunication that comprises transport layer and service layer.Wherein, the intercommunication of transportation level is the intercommunication of the professional and traditional M AP short message service of the SIP Message of encapsulation MAP agreement (MAP) short message realized of original IP-SM-GW; The intercommunication of service aspect is the intercommunication of the professional and traditional M AP short message service of the instant message (SIMPLEIM) based on the Session initiation Protocol of the expression expansion of OMA based on Session Initiation Protocol realized of SMI AS.When the user who supports IP to insert uses short message service; Must be registered to earlier on the IP-SM-GW; Registered and the IP-SM-GW address of IP-SM-GW notice this user of HSS, it is IP Connected that HSS preserves User Status, and stores the IP-SM-GW address of corresponding user's registration.
In existing standard; Proposed IMS messaging services and traditional short message service based on the transportation level with the service aspect on message intercommunication, wherein, IP message gateway (IP-SM-GW) has been gathered the function of SMIAS; As the short message bearing interconnection gateway between IMS territory and traditional circuit domain and the packet domain (CS/PS territory); Realized based on the intercommunication on the transportation level of the message of SIP and traditional short message, as carrying out decapsulation to the sip message of encapsulating MAP short message, and be encapsulated in the processing in the sip message body to the MAP short message; Realized simultaneously based on the intercommunication on the message of SIP and the traditional Short Message Service aspect; Like conversion that message and MAP short message based on SIP are carried out message format etc., and the message after will handling transmits accordingly, simultaneously; The IP message gateway is for the message that receives, and can also be provided with in the preference according to the strategy of operator and user to select corresponding territory to carry out route to message.
Wherein, for based on the message of SIP and the traditional intercommunication of short message on transportation level, IP client is registered to shown in handling process Fig. 2 of IP-Message-GW.
Shown in Figure 2 is existing based on sip message and the traditional short message register flow path sketch map in the transport layer intercommunication.
Step 1, subscriber equipment (UE) are that IP client is set up the IP connection.
Step 2, after IP connected foundation, the user was registered on serving-call session control function (S-CSCF) entity through the IMS register flow path.
Step 3, in registration process, the initial filter criteria that the S-CSCF inspection is downloaded from HSS, this initial filter criteria is to stipulate in the existing protocol, no longer details here.This initial filter criteria is called first initial filter criteria among this paper.
Step 4, after completing successfully the IMS registration, based on first initial filter criteria, S-CSCF notice IP message gateway user's login state.
Step 5, the IP message gateway returns success response to S-CSCF.
Step 6, IP message gateway are sent the third-party registration request to HSS.
The information that step 7, HSS storage receive, and return the register response of IP-IWF (IPinterworking function) to the IP message gateway, comprising providing service relevant subscription data.
So far, UE is registered on the IP message gateway, and the IP message gateway has obtained the subscription data relevant with service from HSS.
According to above-mentioned register flow path, traditional short message service and as shown in Figure 3 in the flow process of IMS-MO (message in IMS territory is initial) based on the intercommunication on the messaging service service aspect of SIP.
Step 1, according to the IMS register flow path, UE is registered among the S-CSCF, and here, for simplicity, other network entities among the IMS core such as I-CSCF and P-CSCF do not show in the drawings; And according to the third-party registration flow process, UE is registered on the IP message gateway.
Step 2, sending among the S-CSCF based on the message of SIP, portability exchanges service identification (CSID, Communication service identity) to UE in the message body through the IMS territory, is used for the identifying user classes of messages interworking service of whether having contracted.
Step 3; S-CSCF carries out the inspection of second initial filter criteria to what receive based on the message of SIP; This inspection comprises whether the ability characteristics sign (feature tag) that this sip message carries is pure IMS message "+g.oma.sip-im "; The IMS message "+g.3gpp.smsip " of encapsulation, or whether the contracted interworking service of service aspect of inspection calling subscriber, or whether the message identification of the CSID that carries of inspection sip message is the intercommunication class business of service aspect etc.
Step 4, the feature tag that carries when sip message is during for the IMS message of "+g.3gpp.smsip " i.e. encapsulation, and follow-up processing procedure is identical with prior art; Other three kinds of situation, S-CSCF is routed to sip message on the IP message gateway of caller network.
Step 5; The IP message gateway of caller network judges whether that according to calling subscriber's preference and carrier policy needs serve the intercommunication of aspect, and have three kinds of possible situation this moment: need the service aspect intercommunication, handle, need not serve the aspect intercommunication by default situations.
The intercommunication of capable service aspect if desired; Then the IP message gateway is authorized interworking service; If authorize successfully; The IP message gateway of caller network becomes traditional short message format to the message conversion based on SIP, is forwarded to traditional short-message system to the message of format transformation, accomplishes follow-up repeating process by traditional short-message system.
Handle by default situations if desired, then the IP message gateway of caller network is selected the called territory network that sip message issues according to called subscriber's sign.If the called subscriber is the form of TEL-URI, the IP message gateway of caller network can be to carry out issuing of message through the IMS territory or through the CS/PS territory according to the number segment information of self-configuring or result's selection of ENUM (Telephone Number Mapping working group) inquiry.
If the territory of selecting message to issue is the CS/PS territory; The IP message gateway of caller network is authorized interworking service, if authorize successfully, the IP message gateway of caller network becomes traditional short message format to the message conversion based on SIP; The forwards of format transformation to traditional short-message system; Accomplish follow-up repeating process by traditional short-message system, if authorize not success, the IP message gateway of caller network returns the S-CSCF of failure reporting to the caller network; If the territory of selecting message to issue is the IMS territory, forward the message to the called IMS network by prior art.
If need not serve the aspect intercommunication; What then the IP message gateway was selected according to the result of the number segment information of self-configuring or ENUM inquiry is the IMS territory; Forward the message to the called IMS network by prior art; If the IP message gateway can not be selected the IMS territory, then return the S-CSCF of failure reporting to the caller network.That is to say that if need not serve the aspect intercommunication, then the IP message gateway can not be selected the CS/PS territory, can only select IMS territory issuing message, when selecting to get nowhere, return failure reporting in the IMS territory.
Step 6～7; The response message based on the message of SIP after the IP message gateway will be changed sends to UE through the IMS network; The response here can directly be returned later in the processing of IP message gateway completion interworking service, also can after the transmission report (Delivery report) that IP message gateway waits called end user returns, return.
See from existing standard; The intercommunication of IMS messaging services is confined to message (like the SIP MESSAGE and the OMA SIMPLE IM of encapsulating MAP short message) and the intercommunication between the traditional M AP short message based on SIP; Comprise the intercommunication on transportation level and the service aspect; Based on the intercommunication between the sip message (like the SIP MESSAGE and the OMA SIMPLE IM of encapsulating MAP short message), existing standard does not relate to for dissimilar.And the SIP MESSAGE of encapsulating MAP short message still a kind of MAP short message service in essence; Only, the called subscriber could resolve such message under supporting the situation of MAP stack; Called subscriber for the pure IMS that does not support the MAP stack; When receiving the SIP MESSAGE of encapsulating MAP short message, just can't resolve message.In addition; Do not support the MAP stack for caller IMS user; And the called IMS user supports MAP stack and user preference to receive through the IMS territory under the situation of MAP short message, also need carry out the conversion of form to the sip message (like OMA SIMPLE IM) of non-encapsulation format.
Summary of the invention
The embodiment of the invention is to provide a kind of processing method, system and equipment of communicating by letter based on the dissimilar messaging service of SIP, so that the realization intercommunication between the dissimilar sip messages.
The technical scheme of the embodiment of the invention comprises:
The processing method of the dissimilar messaging service communication of a kind of dialogue-based initiation protocol SIP, this method comprises:
Interworking function entity in the called network side receives the sip message based on the first kind from call subscriber terminal UE that transmits through callee side serving-call session control function S-CSCF; Convert said sip message into sip message, said sip message based on second type is sent to called UE based on second type based on the first kind.
A kind of interworking function entity comprises:
Receiving element is used to receive the sip message based on the first kind from callee side S-CSCF;
The message conversion unit is used for converting said sip message based on the first kind into based on second type sip message;
Transmitting element is sent to called UE with said sip message based on second type.
A kind of system that communicates by letter based on the dissimilar messaging service of SIP; Comprise the S-CSCF in calling and called UE, the calling and called network; Wherein, callee side S-CSCF is used to receive the sip message based on the first kind from call subscriber terminal UE, and said system also comprises:
Be positioned at the interworking function entity of called network side; Be used to receive sip message based on the first kind from callee side S-CSCF; Convert said sip message into sip message, said sip message based on second type is sent to called UE based on second type based on the first kind.
A kind of processing method of communicating by letter based on the dissimilar messaging service of SIP, this method comprises:
Calling UE is sent the sip message based on the first kind to network side; Comprise the identifier that needs called UE to support the required protocol stack of said first kind sip message in the said sip message;
Said calling UE is constructed the sip message based on second type that called UE can be supported after receiving and not supporting the response message of the required protocol stack of said first kind sip message from the called UE of network side again, sends the said message of structure again once more.
A kind of user terminal comprises:
Transmitting element is used for sending the sip message based on the first kind to network side; Comprise the identifier that needs called UE to support the required protocol stack of said first kind sip message in the said sip message; According to the notice of receiving, send sip message based on said second type;
Receiving element is used to receive the response message of not supporting the required protocol stack of said first kind sip message from the called UE of network side, the notice structural unit;
Structural unit is used for constructing the sip message based on second type that called UE can be supported again, notifies said transmitting element to resend.
Use the present invention, through the interworking function entity in the called network, the conversion of the form of communicating news has realized intercommunication between feasible dissimilar message based on SIP.
The processing method of the sip message service communication that another kind provided by the invention is dissimilar; Do not support at called network under the situation of message intercommunication entity or functional module; Also can realize realizing business intercommunication between the dissimilar sip messages, realize communicating by letter as between the sip message of encapsulating MAP short message and pure sip message.
Description of drawings
Fig. 1 is the network frame sketch map that traditional short message service is realized at the use IP terminal of existing 3GPP proposition;
Fig. 2 is existing based on sip message and the traditional short message register flow path sketch map in the transport layer intercommunication;
Fig. 3 is existing based on sip message and the traditional short message IMS-MO schematic flow sheet in the intercommunication of business service aspect;
Fig. 4 is one the schematic flow sheet based on the dissimilar messaging service communication processing method of SIP according to an embodiment of the present invention;
Fig. 5 is based on a specific embodiment of embodiment one;
Fig. 6 is based on another specific embodiment of embodiment one;
Fig. 7 is based on a specific embodiment of embodiment two.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is elaborated again.
Embodiment one:
The processing method that the dissimilar messaging service based on SIP that this embodiment provides is communicated by letter; Comprise: callee side S-CSCF receives the sip message based on the first kind from call subscriber terminal UE, sends said sip message based on the first kind in the called network side interworking function entity; Interworking function entity in the called network side converts said sip message based on the first kind into based on second type sip message, and said sip message based on second type is sent to called UE.
The intercommunication that the above-mentioned interworking function entity that is positioned at the called network side can judge whether the aspect of need serving according to the called subscriber's who obtains information (like terminal called ability/called subscriber's preference etc.) or carrier policy; Carry out the authentication of interworking service; The function of the conversion of message format, it can be the entity that is arranged in existing network, as is positioned at IP message gateway, SMI AS etc.; Also can be the independent net-work entities that increases newly, or the functional module that increases newly on the existing network entity.It provides service through user's third-party registration for the user.
Above-mentioned callee side S-CSCF receives after the sip message based on the first kind from calling UE; Said sip message based on the first kind is sent to before the interworking function entity in the called network side; Can further include: determine whether that according to initial filter criteria needs send said sip message based on the first kind in the called network side interworking function entity; If carry out transfer operation again; Otherwise, directly be sent to called UE to said sip message based on the first kind by prior art.
Interworking function entity in the above-mentioned called network side will convert into before the sip message based on second type based on the sip message of the first kind; Can further include: determine whether the intercommunication of the aspect of need serving; If; Again said called UE is carried out the interworking service mandate, after the service authorization success, convert said sip message into sip message based on second type based on the first kind.
After will being sent to called UE based on the sip message of second type, can further include: called UE returns response message for said calling UE.
Shown in Figure 4 is one the schematic flow sheet based on the dissimilar messaging service communication processing method of SIP according to an embodiment of the present invention.For for simplicity, the network entity relevant with this embodiment only is provided among the figure, other network entity, like IMS core network entity S-CSCF, related flow process such as P-CSCF is all consistent with prior art, no longer does repeated description.
Step 1, caller IMS user structure sends a message on an IWF (IWF) entity through IMS Core based on the message of the SIP of the first kind, and this interworking function entity is positioned at the IMS network of callee side.
Step 2; Interworking function entity carries out interworking service to be handled; Be specially: because interworking function entity has the information through the called subscriber who obtains, like the ability of terminal called and/or called subscriber's preference etc., perhaps carrier policy etc.; Whether decision need serve the function of the intercommunication of aspect; Therefore, ability information or user that the interworking function entity of callee side network carries in the time of can carrying out third-party registration through the user obtain relevant information through the Ut information configured, whether need serve the intercommunication of aspect with decision.Serve the intercommunication of aspect if desired; Interworking function entity also carries out the mandate of interworking service; If authorize successfully, interworking function entity just can carry out the conversion of message format, is about to convert the sip message based on second type into based on the sip message of the first kind; If authorize not success, then return the IMS user of errored response to Calling Side.
Step 3, interworking function entity promptly is forwarded to the called IMS user to the sip message after the format conversion based on the sip message of second type through IMS core.
Step 4～5, called IMS user receives the sip message after the format conversion, responds back to caller IMS user.
Referring to Fig. 5, it is based on a specific embodiment of embodiment one.In the present embodiment, calling and called UE place network side is provided with interworking function entity, and this interworking function entity is realized by the IP message gateway.Calling UE is an IMS registered user who supports the MAP stack, and the sip message that sends an encapsulating MAP short message is to the called UE of not supporting the MAP stack (like SIMPLE IM user).Here, the entity in the caller network is designated as " physical name #1 ", the entity in the called network is designated as " physical name #2 "; For example; Calling UE is designated as UE#1, and called UE is designated as UE#2, and the S-CSCF in the caller network is designated as S-CSCF#1; S-CSCF in the called network is designated as S-CSCF#2, or the like.
Step 1～7; Similar with step 2～7 among Fig. 3; Different is: the IP message gateway of Calling Side be IP-SM-GW#1 behind the sip message that receives from UE#1, confirm that this message is the sip message of encapsulating MAP message, but the signatory any interworking service of calling subscriber; Comprise the intercommunication of transportation level and/or service aspect; And the terminal called sign according to message is carried can be carried out route at the called IMS network, so IP-SM-GW#1 returns the sip message of encapsulation to S-CSCF#1, is routed to S-CSCF#2 to the sip message of this encapsulating MAP message by S-CSCF#1 through IMS core.
Step 8～9, S-CSCF#2 carries out the inspection of initial filter criteria to the sip message that receives, and whether carries the feature tag of "+g.3gpp.smsip " etc. comprising sip message.Check result based on initial filter criteria; If sip message has carried the feature tag of "+g.3gpp.smsip "; Identify in this sip message body and carried the MAP short message, it is IP-SM-GW#2 that S-CSCF#2 is routed to called IP message gateway to the sip message of encapsulation.
Step 10, after IP-SM-GW#2 received the sip message of encapsulating MAP short message, according to the strategy of called user information of obtaining or operator, whether decision need serve the intercommunication of aspect.This called user information comprises the ability of terminal called, called subscriber's service contracting or called subscriber's preference.
Serve the intercommunication of aspect if desired; IP-SM-GW#2 carries out the mandate of interworking service to UE#2; Carry out the conversion of message format after authorizing successfully, promptly the sip message that encapsulates is carried out decapsulation and obtain the MAP short message later on, become the MAP short message conversion form of pure sip message again; Under the authorization failure situation, then return errored response to UE#1; If need not serve the intercommunication of aspect, be issued to called user terminal to message through IMScore.
Step 11～12, IP-SM-GW#2 accomplishes after the processing of interworking service, through IMS core, is issued to UE#2 to the pure sip message after the conversion.
The response 200OK that step 13-19, UE#2 successfully receive through the IP-SM-GW#2 return messages is to UE#1.
A kind of in addition possible situation is not dispose any interworking function entity (like IP-SM-GW and SMI AS) at the caller network; At this moment; According to the IMS message process mode of prior art (TS 23.228), S-CSCF#1 can directly be routed to S-CSCF#2 to the sip message of encapsulating MAP short message through IMS core.Receive the sip message of encapsulating MAP message as S-CSCF#2 after, the step 8 among its subsequent processes and Fig. 5～19 are identical, repeat no more.
Communicating by letter between the calling UE that so far, has realized supporting the MAP stack and the called UE of not supporting the MAP stack (like SIMPLE IM user).
Referring to Fig. 6, it is based on another specific embodiment of embodiment one.In the present embodiment, calling and called UE place network side is provided with interworking function entity, and this interworking function entity is realized by the IP message gateway.Calling UE is sent a SIMPLE IM to the called IMS network, and called UE is not IM user, and preference is through the form reception sip message of MAP signaling.Here, the entity in the caller network is designated as " physical name #1 ", the entity in the called network is designated as " physical name #2 ", for example, calling UE is designated as UE#1, and called UE is designated as UE#2.
Step 1～7; Similar with step 2～7 among Fig. 3; Different is: the IP message gateway of Calling Side is that IP-SM-GW#1 is after the SIMPLE IM message that receives from UE#1; The intercommunication of the aspect of service is not inclined in the user preference of affirmation UE#1 and the configuration of carrier policy; And the terminal called sign according to message is carried can be carried out route at the called IMS network, so IP-SM-GW#1 returns SIMPLEIM message to S-CSCF#1, is routed to S-CSCF#2 to this sip message by S-CSCF#1 through IMS core.
Step 8～9, S-CSCF#2 carries out the inspection of initial filter criteria to the sip message that receives, and whether carries the feature tag of "+g.oma.sip-im " comprising sip message, or does not carry interworking service identifier CSID of service aspect etc.Check result based on initial filter criteria; If sip message has carried the feature tag of "+g.oma.sip-im "; Or carried expression and need serve the interworking service identifier CSID of aspect, it is IP-SM-GW#2 that S-CSCF#2 is routed to called IP message gateway to the SIMPLE IM message that receives.
Step 10, after IP-SM-GW#2 received SIMPLE IM message, according to the strategy of called user information of obtaining or operator, whether decision need serve the intercommunication of aspect.This called user information comprises the ability of terminal called, called subscriber's service contracting or called subscriber's preference.
Serve the intercommunication of aspect if desired; IP-SM-GW#2 carries out the mandate of interworking service to UE#2; Carry out the conversion of message format after authorizing successfully; Be about to SIMPLE IM message conversion and be the MAP short message and be encapsulated in the sip message, under the authorization failure situation, then return errored response to UE#1; If need not serve the intercommunication of aspect, be issued to called user terminal to message through IMS core.
Step 11～12, IP-SM-GW#2 accomplishes after the processing of interworking service, through IMS core, is issued to UE#2 to the sip message of encapsulating MAP short message.
The response 200OK that step 13-19, UE#2 successfully receive through the IP-SM-GW#2 return messages is to UE#1.
A kind of in addition possible situation is not dispose any interworking function entity (like IP-SM-GW and SMI AS) at the caller network; At this moment; According to the IMS message process mode of prior art (TS 23.228), S-CSCF#1 can directly be routed to S-CSCF#2 to SIMPLE IM message through IMS core.After S-CSCF#2 received SIMPLE IM message, the step 8 among its subsequent processes and Fig. 6～19 were identical, repeat no more.
Communicating by letter between the calling UE (like SIMPLE IM user) that so far, has realized not supporting the MAP stack and the called UE of supporting the MAP stack.
Can find out from the foregoing description; For calling UE is an IMS registered user who supports the MAP stack, sends the situation of the sip message of an encapsulating MAP short message to the IMS user who does not support the MAP stack (like SIMPLE IM user), perhaps; Calling UE is sent a SIMPLE IM to the called IMS network; And called UE is not IM user, and preference is through the situation of the form reception sip message of MAP signaling, if calling UE place caller network side is provided with interworking function entity; Then the interworking function entity in the caller network side receives the sip message based on the first kind from Calling Side S-CSCF; When judging the not signatory interworking service of calling subscriber or need not serve the aspect intercommunication, send said sip message to said Calling Side S-CSCF based on the first kind; This moment, Calling Side S-CSCF sent said sip message based on the first kind to said callee side S-CSCF.If calling UE place caller network side is not provided with interworking function entity; After then Calling Side S-CSCF receives the sip message based on the first kind from said calling UE, can directly send said sip message to said callee side S-CSCF according to existing protocol based on the first kind.Said sip message based on the first kind is the sip message of encapsulating MAP; Said sip message based on second type is pure sip message; Perhaps, said sip message based on the first kind is pure sip message, and said sip message based on second type is the sip message of encapsulating MAP; Said pure sip message comprises SIMPLE IM message.
Based on embodiment one said method; The embodiment of the invention also provides a kind of system that communicates by letter based on the dissimilar messaging service of SIP; Comprise the S-CSCF in calling and called UE, the calling and called network, wherein, callee side S-CSCF is used to receive the sip message based on the first kind from call subscriber terminal UE; It is characterized in that said system also comprises:
Be positioned at the interworking function entity of called network side; Be used to receive sip message based on the first kind from callee side S-CSCF; Convert said sip message into sip message, said sip message based on second type is sent to called UE based on second type based on the first kind.
Interworking function entity in the said called network side converts said sip message based on the first kind into before the sip message based on second type; Also be used to determine whether the intercommunication of the aspect of need serving; If; Again said called UE is carried out the interworking service mandate, after the service authorization success, convert said sip message into sip message based on second type based on the first kind.
Said system also comprises: the interworking function entity in the caller network side; After being used to receive sip message based on the first kind from Calling Side S-CSCF; When judging the not signatory interworking service of said calling subscriber or need not serve the aspect intercommunication, send said sip message to said Calling Side S-CSCF based on the first kind;
Said Calling Side S-CSCF is used for sending said sip message based on the first kind to said callee side S-CSCF.
After said called UE receives said sip message based on second type, also be used for returning response message to said calling UE.
Interworking function entity in the said called network side is the IP message gateway, or the entity SMI AS of message intercommunication, or the network entity that increases newly, or the functional module that increases newly on the existing network entity.
Based on embodiment one said method, the embodiment of the invention also provides a kind of interworking function entity, comprising:
Receiving element is used to receive the sip message based on the first kind from callee side S-CSCF;
The message conversion unit is used for converting said sip message based on the first kind into based on second type sip message;
Transmitting element is sent to called UE with said sip message based on second type.
Said interworking function entity also comprises: intercommunication detecting unit and intercommunication granted unit.After the intercommunication detecting unit was used for confirming to serve the intercommunication of aspect, transmission need be served the notice of aspect intercommunication; The intercommunication granted unit is used for serving according to the needs that receive the notice of aspect intercommunication, and said called UE is carried out the interworking service mandate, after the service authorization success, reinforms said message conversion unit and carries out conversion.
Embodiment two:
The processing method that the dissimilar messaging service based on SIP that this embodiment provides is communicated by letter, comprising: calling UE is sent the sip message based on the first kind to network side; Comprise the identifier that needs called UE to support the required protocol stack of said first kind sip message in the said sip message; Said calling UE is constructed the sip message based on second type that called UE can be supported after receiving and not supporting the response message of the required protocol stack of said first kind sip message from the called UE of network side again, sends the said message of structure again once more.
The called UE that said calling UE receives is not supported the S-CSCF of the response message of the required protocol stack of said first kind sip message from the called network side; The process that the S-CSCF of said called network side returns said response message comprises: called network side S-CSCF receives from after needing comprising of said calling UE called UE to support the sip message of identifier of the required protocol stack of said first kind sip message; Obtain the ability information of said called UE; After confirming that according to the ability information of said called UE said called UE is not supported the required protocol stack of said first kind sip message, return said response message to said calling UE.
If above-mentioned calling UE place caller network side is provided with interworking function entity; The process based on the sip message of the first kind that then said callee side S-CSCF receives from call subscriber terminal UE comprises: after the interworking function entity in the caller network side receives the sip message based on the first kind from Calling Side S-CSCF; Judge the not signatory interworking service of said calling subscriber or need not serve the aspect intercommunication constantly, send said sip message to said Calling Side S-CSCF based on the first kind; Said Calling Side S-CSCF sends said sip message based on the first kind to said callee side S-CSCF.
If said calling UE place caller network side is not provided with interworking function entity; The process based on the sip message of the first kind that then said callee side S-CSCF receives from call subscriber terminal UE comprises: after Calling Side S-CSCF receives the sip message based on the first kind from said calling UE, send said sip message based on the first kind to said callee side S-CSCF.
Above-mentioned calling UE is for supporting the UE of MAP, and called UE is for only supporting the UE of pure SIP; The called UE that needs that comprises in the sip message based on the first kind that said calling UE is sent supports that the identifier of the required protocol stack of said first kind sip message is to need called UE to support the identifier of MAP stack; The sip message based on second type that said calling UE is constructed again is pure sip message.
Use this embodiment, do not support at called network under the situation of message intercommunication entity or functional module, need not that existing IMS core is done any change and can realize that also the sip message of encapsulating MAP short message communicates by letter with pure sip message (like OMA SIMPLE IM).Specifically can be: IMS core network entity (like S-CSCF) judges according to the ability (as supporting MAP stack etc.) that the calling subscriber who carries in the sip message body requires terminal called to have whether terminal called possesses this ability; If do not possess; This network entity returns errored response to the calling subscriber; And carry the ability information of terminal called, make the calling subscriber to send and the adaptive message of terminal called ability according to this information based on SIP.
Referring to Fig. 7, it is based on a specific embodiment of embodiment two.In the present embodiment, calling UE is an IMS registered user who supports the MAP stack, and the sip message that sends an encapsulating MAP short message is to the called UE of not supporting the MAP stack (like SIMPLE IM user).Here, the entity in the caller network is designated as " physical name #1 ", the entity in the called network is designated as " physical name #2 ", for example, calling UE is designated as UE#1, and called UE is designated as UE#2.
Step 1-7; Similar with step 2～7 among Fig. 3; Different is: UE#1 is encapsulated in the MAP short message in the sip message body, and in the sip message head, like " require "; Carry the identifier that needs UE#2 to support the MAP stack, being forwarded to caller IP message gateway to sip message through IMS core is IP-SM-GW#1.IP-SM-GW#1 is behind the sip message that receives from UE#1; Confirm that this message is the sip message of encapsulating MAP short message; But the not signatory any interworking service of calling subscriber comprises the intercommunication of transportation level and/or service aspect, and can carry out route at the called IMS network according to the terminal called sign that message is carried; So IP-SM-GW#1 returns the sip message of encapsulation to S-CSCF#1, is routed to S-CSCF#2 to this sip message by S-CSCF#1 through IMS core.
Step 8; After S-CSCF#2 receives the sip message of encapsulation, detect and carried caller in the message header of this message and require terminal called to support the identifier of MAP, and know that according to the terminal called ability information of obtaining when the third-party registration terminal called do not support the MAP stack; Therefore; The sip message of this encapsulation of decision refusal, and structure errored response, the ability information of carrying failure cause and terminal called in this errored response.
Step 10～12, S-CSCF#2 returns errored response to UE#1.
13) after UE#1 received errored response, according to the terminal called ability information of carrying in the response, constructing not, the sip message of encapsulating MAP short message sent to terminal called.
A kind of in addition possible situation is not dispose any interworking function entity (like IP-SM-GW and SMI AS) at the caller network; At this moment; According to the IMS message process mode of prior art (TS 23.228), S-CSCF#1 can directly be routed to S-CSCF#2 to the sip message of encapsulating MAP short message through IMS core.Receive the sip message of encapsulating MAP message as S-CSCF#2 after, the step 8 among its subsequent processes and Fig. 7～13 are identical, repeat no more.
Based on embodiment two said methods, the embodiment of the invention also provides a kind of UE, comprising:
Transmitting element is used for sending the sip message based on the first kind to network side; Comprise the identifier that needs called UE to support the required protocol stack of said first kind sip message in the said sip message; According to the notice of receiving, send sip message based on said second type;
Receiving element is used to receive the response message of not supporting the required protocol stack of said first kind sip message from the called UE of network side, the notice structural unit;
Structural unit is used for constructing the sip message based on second type that called UE can be supported again, notifies said transmitting element to resend.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All any modifications of within spirit of the present invention and principle, being done, be equal to replacement, improvement etc., all be included in protection scope of the present invention.

Claims (18)

1. the processing method of the dissimilar messaging service of dialogue-based initiation protocol SIP communication is characterized in that this method comprises:
Interworking function entity in the called network side receives the sip message based on the first kind from call subscriber terminal UE that transmits through callee side serving-call session control function S-CSCF; Convert said sip message into sip message, said sip message based on second type is sent to called UE based on second type based on the first kind;
Wherein, said sip message based on the first kind is the sip message of encapsulation MAP agreement MAP; Said sip message based on second type is pure sip message; Perhaps, said sip message based on the first kind is pure sip message, and said sip message based on second type is the sip message of encapsulating MAP; Said pure sip message comprises the instant message SIMPLE IM of the Session initiation Protocol of expression expansion.
2. method according to claim 1 is characterized in that, said calling UE place caller network side is provided with interworking function entity;
Said callee side S-CSCF receives that the process based on the sip message of the first kind from call subscriber terminal UE comprises:
After interworking function entity in the said caller network side receives the sip message based on the first kind from Calling Side S-CSCF; When judging the not signatory interworking service of said calling subscriber or need not serve the aspect intercommunication, send said sip message to said Calling Side S-CSCF based on the first kind;
Said Calling Side S-CSCF sends said sip message based on the first kind to said callee side S-CSCF.
3. method according to claim 1; It is characterized in that; Said callee side S-CSCF receives after the sip message based on the first kind from calling UE, and said sip message based on the first kind is sent to before the interworking function entity in the called network side, further comprises:
According to initial filter criteria, said callee side S-CSCF determines whether to need to send said sip message based on the first kind in the called network side interworking function entity, if carry out transfer operation again; Otherwise, directly be sent to called UE to said sip message based on the first kind by prior art.
4. method according to claim 1 is characterized in that, the interworking function entity in the said called network side converts said sip message based on the first kind before the sip message based on second type into, further comprises:
Determine whether the intercommunication of the aspect of need serving, if, then said called UE is carried out the interworking service mandate, after the service authorization success, convert said sip message into sip message again based on second type based on the first kind.
5. method according to claim 3 is characterized in that, when said sip message based on the first kind is the sip message of encapsulating MAP; When said sip message based on second type is pure sip message, saidly determine whether that according to initial filter criteria needs comprise the process that said sip message based on the first kind sends the interworking function entity in the called network side to:
Confirm said ability characteristics sign feature tag, if then confirming needs to send said sip message based on the first kind in the called network side interworking function entity based on the IMS message of whether having carried encapsulation in the sip message of the first kind;
When said sip message based on the first kind is pure sip message; When said sip message based on second type is the sip message of encapsulating MAP, saidly determine whether that according to initial filter criteria needs comprise the process that said sip message based on the first kind sends the interworking function entity in the called network side to:
Confirm said based on whether having carried pure IMS message capability signature identification feature tag in the sip message of the first kind; Or do not carried the interchange service identification CSID of presentation services layer face intercommunication; If then confirming needs to send said sip message based on the first kind in the called network side interworking function entity.
6. method according to claim 4 is characterized in that, the said foundation that need serve the aspect intercommunication that determines whether comprises:
Interworking function entity in the said called network side determines according to the ability of called UE, called subscriber's service contracting, called subscriber's preference or the strategy of operator whether needs are served the aspect intercommunication.
7. according to the arbitrary described method of claim 1～4; It is characterized in that the interworking function entity in the said called network side is positioned at the IP message gateway, or is positioned at the entity SMI AS of message intercommunication; Or be network entity independently, or be the functional module on the existing network entity.
8. an interworking function entity is characterized in that, comprising:
Receiving element is used to receive the sip message based on the first kind from callee side S-CSCF;
The message conversion unit is used for converting said sip message based on the first kind into based on second type sip message;
Transmitting element is sent to called UE with said sip message based on second type;
Wherein, said sip message based on the first kind is the sip message of encapsulation MAP agreement MAP; Said sip message based on second type is pure sip message; Perhaps, said sip message based on the first kind is pure sip message, and said sip message based on second type is the sip message of encapsulating MAP; Said pure sip message comprises the instant message SIMPLE IM of the Session initiation Protocol of expression expansion.
9. interworking function entity according to claim 8 is characterized in that, said interworking function entity also comprises:
The intercommunication detecting unit, after being used for confirming to serve the intercommunication of aspect, transmission need be served the notice of aspect intercommunication;
The intercommunication granted unit is used for serving according to the needs that receive the notice of aspect intercommunication, and said called UE is carried out the interworking service mandate, after the service authorization success, reinforms said message conversion unit and carries out conversion.
10. system based on the dissimilar messaging service communication of SIP; Comprise the S-CSCF in calling and called UE, the calling and called network; Wherein, callee side S-CSCF is used to receive the sip message based on the first kind from call subscriber terminal UE, it is characterized in that; Said system also comprises the interworking function entity that is positioned at the called network side, and the said interworking function entity that is positioned at the called network side comprises:
Receiving element is used to receive the sip message based on the first kind from callee side S-CSCF;
The message conversion unit is used for converting said sip message based on the first kind into based on second type sip message;
Transmitting element is sent to called UE with said sip message based on second type;
Wherein, said sip message based on the first kind is the sip message of encapsulation MAP agreement MAP; Said sip message based on second type is pure sip message; Perhaps, said sip message based on the first kind is pure sip message, and said sip message based on second type is the sip message of encapsulating MAP; Said pure sip message comprises the instant message SIMPLE IM of the Session initiation Protocol of expression expansion.
11. system according to claim 10 is characterized in that, the interworking function entity in the said called network side also comprises:
The intercommunication detecting unit, after being used for confirming to serve the intercommunication of aspect, transmission need be served the notice of aspect intercommunication;
The intercommunication granted unit is used for serving according to the needs that receive the notice of aspect intercommunication, and said called UE is carried out the interworking service mandate, after the service authorization success, reinforms said message conversion unit and carries out conversion.
12., it is characterized in that said system also comprises according to claim 10 or 11 described systems:
Be positioned at the interworking function entity of caller network side; After being used to receive sip message based on the first kind from Calling Side S-CSCF; When judging the not signatory interworking service of said calling subscriber or need not serve the aspect intercommunication, send said sip message to said Calling Side S-CSCF based on the first kind;
Said Calling Side S-CSCF is used for sending said sip message based on the first kind to said callee side S-CSCF.
13. system according to claim 10; It is characterized in that the interworking function entity in the said called network side is positioned at the IP message gateway, or is positioned at the entity SMI AS of message intercommunication; Or be network entity independently, or be the functional module on the existing network entity.
14. the processing method based on the dissimilar messaging service communication of SIP is characterized in that this method comprises:
Calling UE is sent the sip message based on the first kind to network side; Comprise the identifier that needs called UE to support the required protocol stack of said first kind sip message in the said sip message;
Said calling UE is constructed the sip message based on second type that called UE can be supported after receiving and not supporting the response message of the required protocol stack of said first kind sip message from the called UE of network side again, sends the said message of structure again once more;
Wherein, said sip message based on the first kind is the sip message of encapsulation MAP agreement MAP; Said sip message based on second type is pure sip message; Perhaps, said sip message based on the first kind is pure sip message, and said sip message based on second type is the sip message of encapsulating MAP; Said pure sip message comprises the instant message SIMPLE IM of the Session initiation Protocol of expression expansion.
15. method according to claim 14 is characterized in that, the called UE that said calling UE receives is not supported the S-CSCF of the response message of the required protocol stack of said first kind sip message from the called network side;
The process that the S-CSCF of said called network side returns said response message comprises:
Called network side S-CSCF receives from after needing comprising of said calling UE called UE to support the sip message of identifier of the required protocol stack of said first kind sip message; Obtain the ability information of said called UE; After confirming that according to the ability information of said called UE said called UE is not supported the required protocol stack of said first kind sip message, return said response message to said calling UE.
16. method according to claim 15 is characterized in that, said calling UE place caller network side is provided with interworking function entity;
The process based on the sip message of the first kind that said callee side S-CSCF receives from call subscriber terminal UE comprises:
After interworking function entity in the said caller network side receives the sip message based on the first kind from Calling Side S-CSCF; Judge the not signatory interworking service of said calling subscriber or need not serve the aspect intercommunication constantly, send said sip message to said Calling Side S-CSCF based on the first kind;
Said Calling Side S-CSCF sends said sip message based on the first kind to said callee side S-CSCF.
17. method according to claim 14 is characterized in that,
Said calling UE is for supporting the UE of MAP, and said called UE is for only supporting the UE of pure SIP;
The called UE that needs that comprises in the sip message based on the first kind that said calling UE is sent supports that the identifier of the required protocol stack of said first kind sip message is to need called UE to support the identifier of MAP stack;
The sip message based on second type that said calling UE is constructed again is pure sip message.
18. a user terminal is characterized in that, comprising:
Transmitting element is used for sending the sip message based on the first kind to network side; Comprise the identifier that needs called UE to support the required protocol stack of said first kind sip message in the said sip message; Wherein, said sip message based on the first kind is the sip message of encapsulation MAP agreement MAP; Said sip message based on second type is pure sip message; Perhaps, said sip message based on the first kind is pure sip message, and said sip message based on second type is the sip message of encapsulating MAP; Said pure sip message comprises the instant message SIMPLE IM of the Session initiation Protocol of expression expansion;
Receiving element is used to receive the response message of not supporting the required protocol stack of said first kind sip message from the called UE of network side, the notice structural unit;
Structural unit is used for constructing the sip message based on second type that called UE can be supported again, notifies said transmitting element to resend said sip message based on second type.
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