CN101247323B - Method and system for transmitting history identification information - Google Patents
Method and system for transmitting history identification information Download PDFInfo
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- CN101247323B CN101247323B CN 200710080263 CN200710080263A CN101247323B CN 101247323 B CN101247323 B CN 101247323B CN 200710080263 CN200710080263 CN 200710080263 CN 200710080263 A CN200710080263 A CN 200710080263A CN 101247323 B CN101247323 B CN 101247323B
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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 embodiment of the invention discloses a method for transmitting history identification information, which includes that: a sender forms the history identification information for executing transaction according to the transaction station, the history identification information includes identification information and identification additional information, the identification additional information includes an identification type and/or a reason for identification generation; the history identification information is carried by protocol SIP information which uses a session, and is transmitted to a receiver through an IMS network of an IP media subsystem, the receiver executes a corresponding transaction process according to the history identification information. The application of the invention is that the history identification information can be clearly transmitted in the IMS network, and the receiver can work for a corresponding transaction according to the received information, and ensures an achievement for a simulation transaction and a supplementary transaction. The embodiment of the invention also discloses a system for transmitting the history identification information, which includes a sender, an IMS network node, and a receiver.
Description
Technical field
The present invention relates to the information transmission technology in the packet network, particularly a kind of method and system of transmitting history identification information.
Background technology
At present, continuous maturation along with group technology, develop based on Circuit-switched conventional telecommunication network towards broadband telecommunication net based on packet switching, using Session Initiation Protocol then is one of current technology trends as the call control signalling of grouping telecommunications core network, as normal structures such as ITU-T and ETSI to next generation network (Next Genteration Network, NGN) research, the current core net that all adopts IP Multimedia System (IMS) network architecture of 3GPP normal structure definition as NGN of these two normal structures, can be about the definition and the description of IMS network referring to the relevant criterion manuscript of 3GPP, the present invention no longer specifically describes.
In conventional telecommunication network, network also need provide the supplementary service service except to the user provides call service outside call service, as Call Forwarding services (Call Forward), and call switching business (Call Transfer), FH-number transform service etc.; These business needs are transmitted in network beyond calling user information and the called user information, can also transmitting history identification information.As: in the Call Forwarding services, user A calling party B, forward user C before the user B to, user C before forwards user D again to, at this moment, in the message related to calls of D, need to transmit former calling subscriber identification information (sign of A) at C, former CSI called subscriber identification information (sign of B), forwarding subscriber identification information (sign of C), the preceding user ID (sign of D) that forwards to; In the call switching business, user A calling party B, set up session after user A calling is transferred to C, allow B and C conversation, at this moment, A will be to B notice switching identification information (sign of C), A is to C notice switching identification information (sign of B); In the FH-number transform service, need preceding identification information of transmission number code conversion and the identification information behind the FH-number transform; Number carries in the service, after the user B number of changing, the number before the user A number of changing of calling party B still is after the service network of user B is handled, need make a call to the number after the user B number of changing, transmit former CSI called subscriber identification (number before the number of changing) simultaneously and give user B.
In packet telecommunications network, new block terminal sip terminal will progressively replace traditional terminal phone, and still needing provides the service that is similar to the legacy circuit network supplementary service to the block terminal sip terminal.Wherein, ETSI subordinate's TISPAN (the Telecommunications and Internet ConvergedServices and Protocols for Advanced Networking) business with traditional business feature that will provide to the sip terminal user in NGN is referred to as PSTN/ISDN simulation services (analog service).In order in packet network, to realize analog service, need be in packet network transmitting history identification information.
In addition, when legacy circuit network and packet network intercommunication, in order to realize the supplementary service in the legacy circuit network, and the analog service in the packet telecommunications network, need between packet network and legacy circuit network, transmit history identification information.User identity in the IMS network is called as public user identity, and public user identity adopts SIP unified resource identifier (SIP URI) or phone unified resource identifier (tel URI).
In order to transmit above-mentioned history identification information, in the RFC4244 of IETF, defined the History-Info header field at present, be used for the history identification information of transmission call process; The History-Info header field is defined as follows:
History-Info＝″History-Info″HCOLON
hi-entry*(COMMA?hi-entry)
hi-entry＝hi-targeted-to-uri*(SEMI?hi-param)
hi-targeted-to-uri＝name-addr
hi-param＝hi-index/hi-extension
hi-index＝″index″EQUAL?1*DIGIT*(DOT?1*DIGIT)
hi-extension＝generic-param
In RFC4244, all nodal informations of process can be placed in the History-Info header field in the calling procedure, and there is not clear and definite parameter to represent the type of history identification, reason with the sign generation, therefore, when adopting the aforesaid way transmitting history identification information, the recipient is after receiving above-mentioned History-Info header field, can't realize corresponding simulation Business Processing fully, hinder the realization of analog service in the packet network.Simultaneously, when legacy circuit network and packet network intercommunication, the history identification information that carries in the supplementary service by the legacy circuit network initiation can't be grouped network and accurately transmit, and causes supplementary service to realize.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method of transmitting history identification information, solve the realization of analog service in the packet network, and when legacy circuit network and packet network intercommunication, the supplementary service in the legacy circuit network and the realization of the analog service in the packet telecommunications network.
The embodiment of the invention also provides a kind of system of transmitting history identification information, can in packet network, realize analog service, and when legacy circuit network and packet network intercommunication, supplementary service in the realization legacy circuit network and the analog service in the packet telecommunications network.
For achieving the above object, the embodiment of the invention adopts following technical scheme:
A kind of method of transmitting history identification information comprises:
Transmit leg forms the required history identification information of this business of execution according to the business of carrying out, and described history identification information comprises identification information and sign additional information, and described sign additional information comprises the type of sign and/or the reason that sign produces; The type of described sign comprises former calling subscriber identification, former CSI called subscriber identification, forwarding subscriber sign, the preceding user ID that forwards to, switching sign, abbreviated dialing sign, sign before the FH-number transform, a kind of or combination in any behind the FH-number transform in the sign; The reason that described sign produces comprises Call Forwarding, calls out switching, abbreviated dialing, FH-number transform, any one during number carries;
Utilize the Session initiation Protocol sip message to carry described history identification information and through IP Multimedia System IMS Network Transmission to the recipient, the recipient carries out corresponding service processing according to the history identification information that receives.
A kind of system of transmitting history identification information comprises transmit leg, recipient and IMS network node;
Described transmit leg is used for according to the business of carrying out, and forms the required history identification information of this business of execution, and described history identification information comprises identification information and sign additional information, and described sign additional information comprises the type of sign and/or the reason that sign produces; The type of described sign comprises former calling subscriber identification, former CSI called subscriber identification, forwarding subscriber sign, the preceding user ID that forwards to, switching sign, abbreviated dialing sign, sign before the FH-number transform, a kind of or combination in any behind the FH-number transform in the sign; The reason that described sign produces comprises Call Forwarding, calls out switching, abbreviated dialing, FH-number transform, any one during number carries;
Described IMS network node is used to transmit the described history identification information that utilizes sip message to carry, and sends to described recipient;
Described recipient is used for carrying out corresponding service processing according to the described history identification information that receives.
As seen from the above technical solution, in the embodiment of the invention, transmit leg forms history identification information according to the business of carrying out, and comprises identification information and sign additional information in this history identification information, comprises the type of sign and/or the reason that sign produces in the sign additional information.In the IMS network, be transferred to the recipient after utilizing sip message to carry above-mentioned history identification information, like this, the Business Processing that the recipient just can clearly carry out according to the information that receives, and handle accordingly, guarantee the realization of analog service and supplementary service.
Further, the intercommunication control unit in the IMS network can be finished the protocol conversion of history identification information, makes the IMS network can realize the intercommunication with legacy circuit network effectively.
Description of drawings
Fig. 1 realizes the logical architecture figure of analog service for transmitting history identification information.
The method overview flow chart of the transmitting history identification information that Fig. 2 provides for the embodiment of the invention.
The system global structure figure of the transmitting history identification information that Fig. 3 provides for the embodiment of the invention.
Fig. 4 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention one.
Fig. 5 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention two.
Fig. 6 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention three.
Fig. 7 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention four.
Embodiment
For the purpose, technological means and the advantage that make the embodiment of the invention is clearer, the embodiment of the invention is done describing in further detail below in conjunction with accompanying drawing.
For ease of describing, provide the embodiment of the invention below the cellular logic Organization Chart that is suitable for.
As shown in Figure 1, Service Control Unit is host's execution environment of various packet network services, on logic function for all kinds of business in the packet network provide the service logic controlled function, specifically can be divided into different professional AS, as calling out switching AS etc. by different classs of business.
Session Control Unit provides functions such as packet network session route, as the CSCF in the IMS network (comprise P-CSCF, S-CSCF, I-CSCF), the agreement of E1 interface is SIP between Session Control Unit and the Service Control Unit, and the agreement of the E2 interface between the subscriber endpoints is SIP.
When IMS network and non-IMS network interworking, need to introduce the intercommunication control unit, finish the controlled function of network interworking, as the MGCF in the IMS network.E3 interface between intercommunication control unit and the Session Control Unit, agreement are Session Initiation Protocol, and the E4 interface between intercommunication control unit and the non-IMS network is an agreement in the non-IMS network, and when being legacy circuit network as non-IMS network, the E4 interface is an ISDN User Part.
When IMS network and other IMS network interworking, can introduce the intercommunication control unit, finish the controlled function of network interworking, as the IBCF in the NGN network.E3 interface between intercommunication control unit and the Session Control Unit, agreement are Session Initiation Protocol, and the E4 interface between intercommunication control unit and other IMS network is a Session Initiation Protocol; Also can be not by the intercommunication control unit, the Session Control Unit intercommunication in Session Control Unit and other IMS network, its interface is E5 interface (not embodying among the figure), interface protocol is SIP.
The method overview flow chart of the transmitting history identification information that Fig. 2 provides for the embodiment of the invention.As shown in Figure 2, this method comprises:
In this step, history identification information comprises identification information and sign additional information, and described sign additional information comprises the type of sign and/or the reason that sign produces.
The system global structure figure of the transmitting history identification information that Fig. 3 provides for the embodiment of the invention.As shown in Figure 3, this system comprises: transmit leg 310, IMS network node 320 and recipient 330.
In this system, transmit leg 310 is used for according to the business of carrying out, and forms the required history identification information of this business of execution.Wherein the history identification information of Xing Chenging is the history identification information that forms in the above-mentioned steps 201.
IMS network node 320 is used to transmit the history identification information that utilizes sip message to carry, and sends to recipient 330.
The recipient 330, are used for carrying out corresponding service processing according to the history identification information that receives.
By in the overview of above-mentioned method and system as can be seen, utilize the method and system in the embodiment of the invention in the history identification information that forms, not only to comprise identification information, also comprise the type of sign and/or the reason that sign produces, and can in the IMS network, transmit this history identification information, thereby make that the recipient can be according to history identification information, carry out corresponding service processing, and then in packet network, realize analog service, and when legacy circuit network and packet network intercommunication, supplementary service in the realization legacy circuit network and the analog service in the packet telecommunications network.
In the history identification information that forms in above-mentioned steps 201, preferably, identification information is the conventional phone number of transmitting in SIP URI, tel URI or the sip message body in the identification information; The type of sign can comprise former calling subscriber identification, former CSI called subscriber identification, and the forwarding subscriber sign, the preceding user ID that forwards to, the switching sign, the abbreviated dialing sign, sign identifies behind the FH-number transform etc. before the FH-number transform; The reason that sign produces can comprise Call Forwarding, calls out switching, abbreviated dialing, and FH-number transform, number carry etc., can further include the Call Forwarding Unconditional (CFU) in the Call Forwarding, divert when busy (CFB), Call Forwarding No Reply (CFNR) etc.Wherein, the relevant relation of reason that the type of sign and sign produce, but corresponding one by one is former CSI called subscriber identification as the type of sign, and the reason that produces of sign may be a Call Forwarding Unconditional so, divert when busy, perhaps Call Forwarding No Reply etc.; As the reason that identifies generation is FH-number transform, and Biao Shi type may be a sign before the FH-number transform so, identifies behind the FH-number transform etc.
In system, transmit leg can be IMS user terminal or the Service Control Unit in the cellular logic Organization Chart of Fig. 1, also can right and wrong IMS user terminal or non-IMS network in Routing Switch Unit, they all can produce and send history identification information; The recipient can be IMS user terminal and/or the Service Control Unit in the cellular logic Organization Chart of Fig. 1, also can right and wrong IMS user terminal and/or non-IMS network in Routing Switch Unit, they all can receive and handle history identification information.Transmitting history identification information between the IMS network node can be the specifically E1 in the cellular logic Organization Chart of Fig. 1, E2, E3, E4 or the transmission of E5 interface.When the IMS of transmitting history identification information network node comprises the intercommunication control unit,, then can delete this history identification information or be forwarded to other network if the intercommunication control unit is received history identification information from the E3 interface; If the intercommunication control unit receives history identification information from the E4 interface, then can the deleting history identification information or be forwarded to the E3 interface; If other network uses non-Session Initiation Protocol, the intercommunication control unit can also be finished the protocol conversion of history identification information.
According to the difference of the business of being carried out, the history identification information content of formation is also different.Simultaneously, because transmit leg and the residing heterogeneous networks of recipient also make the transmission of history identification information and processing have nothing in common with each other.Be described in further details below by the specific implementation of four specific embodiments the embodiment of the invention.For for simplicity, user terminal is called the user below.
Embodiment one:
In the present embodiment, call out the embodiment that switching (ECT) business is a transmitting history identification information in the example explanation embodiment of the invention with the IMS Client-initiated.
Suppose that the analog service that present embodiment carries out is: the IMS user A request of making a call, calling party B also sets up session, and next, the user A transfer service that makes a call is transferred to user C with calling.In this process, called subscriber B can be positioned at legacy circuit network, perhaps IMS network, and user A is identical with the ordinary call flow process with the process that user B sets up session; Forwarded user C can be positioned at legacy circuit network, perhaps IMS network, and the process of calling out switching is identical with existing call transfer service flow process.After this calls out switching, need notify user B and C, to call out and shift, the method and system of the transmitting history identification information that this process promptly can provide by present embodiment is finished.Wherein, notifying user B identical with the flow process of user C, is the transmission of example explanation history identification information with " user A notifies user B to call out and has been transferred to user C " below.
Particularly, Fig. 4 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention one.This method can realize in system shown in Figure 3.As shown in Figure 4, this method comprises:
In this step, the Service Control Unit at IMS user A or IMS user A place all can form history identification information, and the entity that will form this history identification information is called transmit leg, also is the transmit leg 310 among Fig. 3.
Because the analog service that carries out in the present embodiment is a call switching business, therefore the history identification information that forms can for: identification information is the identification information that is transferred to user C, specifically can adopt SIP unified resource sign (SIP URI) form or tel URI form; In the sign additional information, the type of sign is the switching number, and what sign produced is former because call out switching.Certainly, in the sign additional information, can carry the type of sign and/or the reason that sign produces.
The sip message that carries history identification information can be the SIP INFO, adopts message body to carry history identification information in the present embodiment.Be exemplified below:
<history-identity?active＝″true″/>
<identity?uri＝″tel:+8675528780808″></identity>
<extension?type＝″transfered?number″reason＝″call?transfer″>
</extension>
</history-identity>
Wherein, tel:+8675528780808 is the identification information that is transferred to user C, adopts the form of tel URI; Transfered number represents that the type of transferring is the switching number, and call transfer represents to identify the former of generation because call out switching.
The identification information of user C also can be a SIP URI form, and at this moment, if user B is positioned at legacy circuit network, Session Control Unit or intercommunication control unit need convert above-mentioned SIP URI to tel URI form so.
If A user B and user A are positioned at same IMS network, Session Control Unit can directly send to user B with above-mentioned sip message so.Under this kind mode, 320 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned Session Control Unit, and recipient 330 is specially user B.
If B user B is positioned at other IMS network, Session Control Unit can be transmitted above-mentioned sip message according to network configuration so:
When user B place network linked to each other with user A place network by Session Control Unit, Session Control Unit can directly be forwarded to above-mentioned sip message user B place network; Under this kind mode, 320 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned Session Control Unit, and recipient 330 is specially user B;
When user B place network linked to each other with user A place network by the intercommunication control unit, Session Control Unit can be forwarded to above-mentioned sip message corresponding intercommunication control unit; The intercommunication control unit directly is transmitted to this sip message user B place network, perhaps, the intercommunication control unit also can be according to local policy, history identification information is for further processing, as the opposite end network not at this trust domain, delete above-mentioned history identification information, perhaps history identification information is carried out encryption; Under this kind mode, 310 of the IMS network nodes among Fig. 3 specifically comprise Session Control Unit and intercommunication control unit, and recipient 330 is specially user B.
If C user B is positioned at non-IMS network, Session Control Unit can send to above-mentioned sip message corresponding intercommunication control unit so, and the intercommunication control unit converts above-mentioned sip message to non-IMS network employed agreement.For example, when user B is arranged in legacy circuit network, the intercommunication control unit is exactly MGCF so, MGCF can convert the SIP INFO to the CPG of ISUP, and in the call of CPG message transfer number parameter, carry the number 8675528780808 of user C, and in Generic notification indicators parameter, carry and call out the switching indication; Switching has taken place in the expression session, is transferred to number 8675528780808.MGCF also can change history identification information, as deletes the area code 86755 in 8675528780808 identification informations, and only the local number 28780808 of transmission user C arrives user B place network; Under this kind mode, 310 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned Session Control Unit and intercommunication control unit, and recipient 330 is specially user B.
Promptly history identification information can be forwarded to the network at user B or user B place by the way.
In this step, after user B receives above-mentioned history identification information, can carry out this locality and handle, give the user, can also store this number as the number of explicit user C;
After user B place network is received above-mentioned history identification information, can further handle, judge whether that as CAMEL-Subscription-Information needs notify the user B according to user B, if desired, transmit above-mentioned history identification information to user B.
So far, user A finishes to the flow process of user B transmitting history identification information.
As previously mentioned, user A also needs to the relevant history identification information of user C transmission.The transfer process of whole history identification information and the system of application are same as described above, and difference is, the identification information content difference in the history identification information of transmission.Particularly, in the history identification information of user C transmission, identification information is the identification information of the preceding user B of switching.Can adopt mode in the step 401 for the mode of carrying history identification information, perhaps also can utilize existing SIP header field to carry history identification information or redetermination SIP header field carries history identification information.
For example, when utilizing existing SIP header field to carry, can be at the History-Info of sip message, the P-Asserted-Identity header field, and other existing header field carries; Suppose the identification information that carries in the hi-target-to-uri parameter in the history identification information in the History-Info header field, carry the type of the sign in the history identification information or the reason that sign produces in the History-Info header field, then an example is as follows:
History-Info:<sip:marry@ims.example.com；reason＝number-translation；type＝before-translation>；index＝1；
The expression identification information is sip:marry@ims.example.com, and the reason that sign produces is a FH-number transform, and the sign type is the number before the conversion.
When the SIP header field that utilizes redetermination carries, can in Session Initiation Protocol, expand a P-History-Index header field, carry history identification information; Instantiation is as follows:
P-History-Index:Marry＜sip:marry@chinatelcom.com 〉; Reason=transfer; The expression identification information is sip:marry@chinatelcom.com, and the reason that sign produces is to call out switching.
After utilizing aforementioned manner to realize that user A notifies user C to carry out calling out switching, user A promptly can withdraw from calling, and user B and user C conversation have been finished and called out switching.
In the present embodiment, be example with IMS user's transfer service that makes a call, introduced the method and system of transmitting history identification information in the call switching business process.As can be seen, utilize the method and system of present embodiment, can complete transmitting history identification information clearly, after making that the recipient receives this information, the analog service that can clearly carry out is handled accordingly, and then realizes the analog service in the packet network, and when legacy circuit network and packet network intercommunication, realize the analog service in the packet network.
Embodiment two:
In the present embodiment, with legacy circuit network Client-initiated ECT business be the embodiment of transmitting history identification information in the example explanation embodiment of the invention.Wherein, a special case of a legacy circuit network right and wrong SIP application network can certainly be utilized method and system in the present embodiment for other non-SIP application network.
Suppose that the business of carrying out in the present embodiment is: the legacy circuit network user A request of making a call, calling party B also sets up session, and next, the user A transfer service that makes a call is transferred to user C with calling.In this process, at least one among called subscriber B or the forwarded user C is arranged in the IMS network, and user A is identical with the ordinary call flow process with the process that user B sets up session; The process that calling is transferred to user C is identical with existing call transfer service flow process.Call out in the switching at this, need notify user B and C, call out and shift, the method and system of the transmitting history identification information that this process promptly can provide by present embodiment is finished.Wherein, notifying user B identical with the flow process of user C, is the transmission of example explanation history identification information with " user A notifies user B to call out and has been transferred to user C " below.
Particularly, Fig. 5 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention two.This method can realize in system shown in Figure 3.As shown in Figure 5, this method comprises:
In this step, in the legacy circuit network of user A place, can adopt the Routing Switch Unit at user A place to form history identification information, perhaps adopt other net control device in the legacy circuit network to form history identification information, and the entity that will form this history identification information is called transmit leg, also is the transmit leg 310 among Fig. 3.
In the present embodiment, take place to give the content of the history identification information of user B can be identical with the content in the step 401 of embodiment one.
Because user A is positioned at legacy circuit network, therefore the history identification information that forms carries by the message in the legacy circuit network, as CPG message by ISDN User Part, and in the calltransfer of CPG message number parameter, carry the number 26540011 of user C, and in Generic notificationindicators parameter, carry and call out the switching indication; Switching has taken place in the expression session, is transferred to number 26540011.
If A user B is positioned at legacy circuit network, user A place network can perhaps by SGW (SG), send to user B place network with the message of carrying history identification information by directly so.Under this kind mode, the transmission of history identification information is identical with the mode of existing traditional electrical road network network transmitting history identification information.
If B user B is positioned at the IMS network, the legacy circuit network message that needs to carry history identification information in user A place sends on the intercommunication control unit MGCF of user B place IMS network so, and MGCF can become sip message with above-mentioned message conversion.Specifically can be converted to the SIP INFO, and utilize message body to carry history identification information, perhaps also can utilize existing SIP header field to carry or the SIP header field of redetermination carries.When carrying, the message body of utilizing the SIP INFO is exemplified below:
<history-identity?active＝″true″/>
<identity?uri＝″tel:+8675528560011″></identity>
<extension?type＝″transfered?number″reason＝″call?transfer″>
</extension>
</history-identity>
Expression is called out switching has been taken place, and is transferred to number 8675526540011.
In the said process, MGCF has also carried out further conversion to history identification information, has added area code information 86755.Under this kind mode, 310 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned intercommunication control unit MGCF, and recipient 330 is specially user B.
After user B receives above-mentioned history identification information, can carry out this locality and handle, give the user as the number that shows C, also can store this number;
After user B place network is received above-mentioned history identification information, can further handle, judge whether that as CAMEL-Subscription-Information needs notify the user B according to user B, if desired, transmit above-mentioned history identification information to user B.
So far, user A finishes to the flow process of user B transmitting history identification information.
As previously mentioned, user A also needs to the relevant history identification information of user C transmission.The transfer process of whole history identification information and the system of application are same as described above, and difference is, the identification information content difference in the history identification information of transmission.Particularly, in the history identification information of user C transmission, identification information is the identification information of the preceding user B of switching.
After utilizing aforementioned manner to realize that user A notifies user C to carry out calling out switching, user A promptly can withdraw from calling, and user B and user C conversation have been finished and called out switching.
In the present embodiment, be example with the traditional circuit user transfer service that makes a call, introduced the method and system of transmitting history identification information in the call switching business process.As can be seen, utilize the method and system of present embodiment, can complete transmitting history identification information in the IMS network clearly, make that the recipient receives this information after, the business that can clearly carry out is handled accordingly; Simultaneously, realized the intercommunication of IMS network and legacy circuit network.
Embodiment three:
In the present embodiment, with IMS Client-initiated abbreviated dialing service be the embodiment of transmitting history identification information in the example explanation embodiment of the invention.
Suppose that the analog service that carries out in the present embodiment is: IMS user A initiates abbreviated dialing request, calling party B.Wherein, called subscriber B can be positioned at non-IMS network, as legacy circuit network, also can be positioned at the IMS network.
Fig. 6 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention three.This method can realize in system shown in Figure 3.As shown in Figure 6, this method comprises:
In this step, after Service Control Unit is received above-mentioned abbreviated dialing request,, determine that 03 is the abbreviated number of user B, and the true identity of user B is " tel:+8613613231234 " according to CAMEL-Subscription-Information and the configuration information of user A.
Service Control Unit is carried out the service logic of abbreviated dialing, initiates a new call request, RequestURI is revised as the true identity of B, and carries the history identification information of formation in message body.In the present embodiment, the transmit leg 310 among Fig. 3 is specially above-mentioned Service Control Unit.
Wherein because the analog service that carries out of present embodiment is an abbreviated dialing service, therefore the history identification information that forms can for: identification information is an abbreviated number information; In the sign additional information, the type of sign is an abbreviated number, and what sign produced is former because abbreviated dialing.Certainly, in the sign additional information, can carry the type of sign and/or the reason that sign produces.
The sip message that carries history identification information adopts the SIP INVITE, is exemplified below:
INVITE?tel:+8613613231234?SIP/2.0
It is as follows to carry history identification information in the message body of above-mentioned message:
<history-identity?active＝″true″/>
<identity?uri＝″tel:03#″></identity>
<extension?type＝″abbreviate?number″reason＝″abbreviate?dialing″>
</extension>
</history-identity>
The expression abbreviated number is 03.
If A user B and user A are positioned at same IMS network, Session Control Unit can directly send to user B with above-mentioned sip message so.Under this kind mode, 320 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned Session Control Unit, and recipient 330 is specially user B.
If B user B is positioned at other IMS network, Session Control Unit can be transmitted above-mentioned sip message according to network configuration so:
When user B place network linked to each other with user A place network by Session Control Unit, Session Control Unit can directly be forwarded to above-mentioned sip message user B place network; Under this kind mode, 320 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned Session Control Unit, and recipient 330 is specially user B;
When user B place network linked to each other with user A place network by the intercommunication control unit, Session Control Unit can be forwarded to above-mentioned sip message corresponding intercommunication control unit; The intercommunication control unit directly is transmitted to this sip message user B place network, perhaps, the intercommunication control unit also can be according to local policy, history identification information is for further processing, as the opposite end network not at this trust domain, delete above-mentioned history identification information, perhaps history identification information is carried out encryption; Under this kind mode, 310 of the IMS network nodes among Fig. 3 specifically comprise Session Control Unit and intercommunication control unit, and recipient 330 is specially user B.
If C user B is positioned at non-IMS network, Session Control Unit can send to above-mentioned sip message corresponding intercommunication control unit, and the intercommunication control unit converts above-mentioned sip message to non-IMS network employed agreement.For example, user B is positioned at legacy circuit network, and the intercommunication control unit is exactly MGCF so, and MGCF can convert the SIP INVITE to the IAM of ISUP, and carries abbreviated number 03# in the original called party number parameter of IAM message.Under this kind mode, 310 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned Session Control Unit and intercommunication control unit, and recipient 330 is specially user B.
Promptly history identification information can be forwarded to the network at user B or user B place by the way.
In this step, call proceeding is finished in the above-mentioned INVITE call request of user B network processes.
After user B receives above-mentioned history identification information, can carry out this locality and handle, give the user as the abbreviated number of explicit user A, also can store this number;
After user B place network is received above-mentioned history identification information, can further handle, judge whether that as CAMEL-Subscription-Information needs notify the user B according to user B, if desired, transmit above-mentioned history identification information to user B.
So far, the flow process of the transmitting history identification information in the present embodiment finishes.
In the present embodiment, initiating abbreviated dialing service with IMS user is example, has introduced the method and system of transmitting history identification information in the abbreviated dialing service process.As can be seen, utilize the method and system of present embodiment, can complete transmitting history identification information clearly, make that the recipient receives this information after, the analog service that can clearly carry out is handled accordingly.Simultaneously, when user B is arranged in traditional telephone network, also realized the intercommunication of IMS network and traditional telephone network.
Certainly, also can initiate the user in the call IMS network for abbreviated dialing service by the network user that non-SIP uses.The transmission means of its history identification information and embodiment two are similar, just repeat no more here.
Embodiment four:
In the present embodiment, with IMS Client-initiated number portability service be the embodiment of transmitting history identification information in the example explanation embodiment of the invention.
Suppose that the analog service that carries out in the present embodiment is: the signatory originally O1 of operator of IMS user B, the sign of use is TEL:+8628786111, is signed in to the new O2 of operator then, and new sign SIP:marry@chinatelecom.com has been arranged,
The number portability service because user B has contracted, user A still can be by original signTEL:+8628786111 calling party B.Wherein, calling subscriber A can be positioned at non-IMS network, as legacy circuit network, also can be positioned at the IMS network.
Fig. 7 is the method particular flow sheet of the transmitting history identification information of the embodiment of the invention four.This method can realize in system shown in Figure 3.As shown in Figure 7, this method comprises:
In this step, calling subscriber A can be positioned at legacy circuit network, perhaps the IMS network.
When user A is positioned at legacy circuit network, make a call 28786111, legacy circuit network routes the call to the intercommunication control unit of O1 network according to called number 28786111, and the intercommunication control unit routes the call to Session Control Unit;
When user A is positioned at the IMS network, the TEL:+8628786111 that makes a call, and, route the call to the Session Control Unit at O1 network place according to called identification TEL:+8628786111;
In this step, after Service Control Unit is received above-mentioned call request,, determine the user B number portability service of having contracted, and the new logo of user B is " SIP:marry@chinatelecom.com " according to CAMEL-Subscription-Information and the configuration information of user B.
Service Control Unit is carried out the service logic that number carries, and initiates a new call request, RequestURI is revised as the new logo of B, and carries the history identification information of formation in message body.In the present embodiment, the transmit leg 310 among Fig. 3 is specially above-mentioned Service Control Unit.
Wherein because the present embodiment business of carrying out is a number portability service, therefore the history identification information that forms can for: identification information is former called party information; In the sign additional information, the type of sign is an original called party number, and what sign produced is former because number carries.Certainly, in the sign additional information, can carry the type of sign and/or the reason that sign produces.
The sip message that carries history identification information adopts the SIP INVITE, is exemplified below:
INVITE?SIP:marry@chinatelecom.com?SIP/2.0
It is as follows to carry history identification information in the message body of above-mentioned message:
<history-identity?active＝″true″/>
<identity?uri＝″tel:+8628786111″></identity>
<extension?type＝″original?called?number″reason＝″number?portability″>
</extension>
</history-identity>
Number has taken place and has carried service in expression, former called be tel:+8628786111.
In this step, user B is positioned at other IMS network, and Session Control Unit can be transmitted above-mentioned sip message according to network configuration:
When the O2 network at user B place linked to each other with the O1 network by Session Control Unit, Session Control Unit can directly be forwarded to above-mentioned sip message user B place network; Under this kind mode, 320 of the IMS network nodes among Fig. 3 specifically comprise above-mentioned Session Control Unit, and recipient 330 is specially user B;
When user B place O2 network linked to each other with the O1 network by the intercommunication control unit, Session Control Unit can be forwarded to above-mentioned sip message corresponding intercommunication control unit; The intercommunication control unit directly is transmitted to this sip message user B place O2 network, perhaps, the intercommunication control unit also can be according to local policy, history identification information is for further processing, as the opposite end network not at this trust domain, delete above-mentioned history identification information, perhaps history identification information is carried out encryption; Under this kind mode, 310 of the IMS network nodes among Fig. 3 specifically comprise Session Control Unit and intercommunication control unit, and recipient 330 is specially user B.
In this step, call proceeding is finished in O2 network processes above-mentioned INVITE call request in user B place.
After user B receives above-mentioned history identification information, can carry out this locality and handle, give the user as showing original called party number, also can store this number;
After user B place O2 network is received above-mentioned history identification information, can further handle, judge whether that as CAMEL-Subscription-Information needs notify the user B according to user B, if desired, transmit above-mentioned history identification information to user B.
So far, the flow process of the transmitting history identification information in the present embodiment finishes.
In the present embodiment, be example with IMS user's number portability service, introduced the method and system of transmitting history identification information in the number portability service process.As can be seen, utilize the method and system of present embodiment, can complete transmitting history identification information clearly, make that the recipient receives this information after, the business that can clearly carry out is handled accordingly.Simultaneously, when user A is arranged in traditional telephone network, also realized the intercommunication of IMS network and traditional telephone network.
Certainly, also can initiate the user in the call IMS network for number portability service by the network user that non-SIP uses.The transmission means of its history identification information and embodiment three are similar, just repeat no more here.
Above-mentioned is the embodiment that example has illustrated the method and system of the transmitting history identification information that the embodiment of the invention provides with calling transfer, abbreviated dialing and number portability service only.Wherein, be the embodiment that example has illustrated transmitting history identification information in the implementation procedure of calling subscriber's signing service with calling transfer and abbreviated dialing; And be the embodiment that example has illustrated transmitting history identification information in the implementation procedure of called subscriber's signing service with the number portability service.In fact, for other the analog service and the supplementary service of legacy circuit network, transmission also can be used said method and system as the history identification in the processes such as Call Forwarding services, FH-number transform business.According to different types of service, correspondent transform transmit leg and recipient, the while recipient carries out the corresponding business operation and gets final product.As, in the FH-number transform business, user terminal sends to Service Control Unit with the history identification information that forms by Session Control Unit, and Service Control Unit promptly can carry out the FH-number transform operation, carries out service logic.
In a word, use the method and system of the embodiment of the invention, can be implemented in clear and definite transmitting history identification information in the IMS network, the Business Processing that the recipient just can clearly be carried out according to the information that receives, and handle accordingly, guarantee the realization of analog service and supplementary service.
Further, the intercommunication control unit in the IMS network can be finished the protocol conversion of history identification information, makes the IMS network can realize the intercommunication with legacy circuit network effectively.
Being preferred embodiment of the present invention only below, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1. the method for a transmitting history identification information is characterized in that, this method comprises:
Transmit leg forms the required history identification information of this business of execution according to the business of carrying out, and described history identification information comprises identification information and sign additional information, and described sign additional information comprises the type of sign and/or the reason that sign produces; The type of described sign comprises former calling subscriber identification, former CSI called subscriber identification, forwarding subscriber sign, the preceding user ID that forwards to, switching sign, abbreviated dialing sign, sign before the FH-number transform, a kind of or combination in any behind the FH-number transform in the sign; The reason that described sign produces comprises Call Forwarding, calls out switching, abbreviated dialing, FH-number transform, any one during number carries;
Utilize the Session initiation Protocol sip message to carry described history identification information and through IP Multimedia System IMS Network Transmission to the recipient, the recipient carries out corresponding service processing according to the history identification information that receives.
2. method according to claim 1 is characterized in that, in described history identification information, identification information is the conventional phone number of transmitting in SIP unified resource identifier SIP URI, call resource identifier tel URI or the sip message body.
3. method according to claim 2, it is characterized in that, describedly utilize sip message to carry described history identification information to be: utilize existing SIP header field to carry described history identification information, or redetermination SIP header field carries described history identification information, or carries described history identification information in the sip message body.
4. method according to claim 3 is characterized in that, described transmit leg comprises: Routing Switch Unit in user terminal, the non-IMS network or the Service Control Unit in the IMS network;
Described recipient comprises at least a in Service Control Unit in user terminal, the IMS network and the Routing Switch Unit in the non-IMS network;
Described execution corresponding service processing is: carry out this locality and handle, and/or carry out service logic according to described history identification information, and/or described history identification information is transmitted;
5. method according to claim 4, it is characterized in that, when described transmit leg was arranged in identical IMS network with the recipient, described history identification information through the IMS Network Transmission to the recipient was: the history identification information that utilizes sip message to carry that described transmit leg is formed directly is forwarded to described recipient through Session Control Unit.
6. method according to claim 4, it is characterized in that, when described transmit leg was arranged in different IMS networks with the recipient, described history identification information through the IMS Network Transmission to the recipient was: the history identification information that utilizes sip message to carry that described transmit leg is formed is forwarded to described recipient through Session Control Unit.
7. method according to claim 6 is characterized in that, when described history identification information was transmitted through Session Control Unit, this method further comprised: transmit described history identification information through the intercommunication control unit.
8. method according to claim 7 is characterized in that, transmit the history identification information that receives at described intercommunication control unit and take a step forward and comprise: the intercommunication control unit is handled the history identification information that receives according to local policy.
9. method according to claim 4, it is characterized in that, when described history identification information further passes through non-IMS Network Transmission, further comprise during described transmitting history identification information: history identification information is forwarded to the intercommunication control unit, and described history identification information is carried out protocol conversion.
10. method according to claim 9, it is characterized in that, when described transmit leg was positioned at IMS network, described recipient and is positioned at non-IMS network, described history identification information through the IMS Network Transmission to the recipient is: the described history identification information that utilizes sip message to carry that described transmit leg is formed was forwarded to the intercommunication control unit through Session Control Unit;
Described intercommunication control unit is converted to the protocol message that described non-IMS network is supported with history identification information, and the history identification information after will changing is forwarded to described recipient.
11. method according to claim 9, it is characterized in that, when described transmit leg be positioned at non-IMS network, when described recipient is positioned at the IMS network, describedly utilize sip message to carry described history identification information and through the IMS Network Transmission to the recipient be: the history identification information that described transmit leg is formed is sent to the intercommunication control unit in the IMS network, and described history identification information carried out protocol conversion, send to the recipient after being converted to the history identification information that utilizes sip message to carry.
12., it is characterized in that according to claim 6,10 or 11 described methods, described history identification information is forwarded to before the described recipient, further comprise: the network that described history identification information is forwarded to described recipient place;
The network based described recipient's at described recipient place CAMEL-Subscription-Information judges whether to notify described recipient, if then described history identification information is sent to described recipient.
13. according to any described method in the claim 1 to 11, it is characterized in that described business is: the user terminal A transfer service that makes a call is transferred to user terminal C with the calling of this user terminal A and user terminal B;
The required history identification information of this business is carried out in described formation: form the history identification information that sends to user terminal B, and in this history identification information, identification information comprises the sign of user terminal C, switching is called out in the indication of sign additional information; And form the history identification information that sends to user terminal C, and in this history identification information, identification information comprises the sign of user terminal B, switching is called out in the indication of sign additional information;
Described recipient carries out corresponding service processing according to the history identification information that receives: the recipient determines to have carried out the calling switch over operation according to described history identification information, shows and/or stores identification information in the described history identification information.
14. according to any described method in the claim 1 to 11, it is characterized in that described business is: user terminal A is initiated abbreviated dialing request call user terminal B;
The required history identification information of this business is carried out in described formation: user terminal A sends the abbreviated dialing request to its place network of network control appliance; The request of making a call of described net control device, and form the history identification information that sends to user terminal B, and in this history identification information, identification information comprises abbreviated number, abbreviated dialing is carried out in the indication of sign additional information;
Described recipient carries out corresponding service processing according to the history identification information that receives: the recipient determines to have carried out the abbreviated dialing operation according to described history identification information, show and/store described abbreviated number.
15., it is characterized in that described business is: user terminal A the contracted user terminal B of number portability service of request call that makes a call according to any described method in the claim 1 to 11;
The required history identification information of this business is carried out in described formation: user terminal A sends call request, the original number of caller party terminal B to its place network of network control appliance; Described net control device routes the call to the former network at user terminal B place, this former network of network control appliance is to the network-originated call request at the current place of user terminal B, and formation sends to the history identification information of user terminal B, and in this history identification information, identification information comprises former called party information, and the indication of sign additional information is carried out number and carried;
Described recipient carries out corresponding service processing according to the history identification information that receives: the recipient determines to have carried out number according to described history identification information and carries operation, shows and/or stores described former called party information.
16. the system of a transmitting history identification information is characterized in that, described system comprises transmit leg, recipient and IMS network node;
Described transmit leg is used for according to the business of carrying out, and forms the required history identification information of this business of execution, and described history identification information comprises identification information and sign additional information, and described sign additional information comprises the type of sign and/or the reason that sign produces; The type of described sign comprises former calling subscriber identification, former CSI called subscriber identification, forwarding subscriber sign, the preceding user ID that forwards to, switching sign, abbreviated dialing sign, sign before the FH-number transform, a kind of or combination in any behind the FH-number transform in the sign; The reason that described sign produces comprises Call Forwarding, calls out switching, abbreviated dialing, FH-number transform, any one during number carries;
Described IMS network node is used to transmit the described history identification information that utilizes sip message to carry, and sends to described recipient;
Described recipient is used for carrying out corresponding service processing according to the described history identification information that receives.
17. system according to claim 16 is characterized in that, described transmit leg is Routing Switch Unit in user terminal, the non-IMS network or the Service Control Unit in the IMS network;
Described recipient comprises at least a in Service Control Unit in user terminal, the IMS network and the Routing Switch Unit in the non-IMS network.
18. according to claim 16 or 17 described systems, it is characterized in that, when described transmit leg and recipient were arranged in same IMS network, described IMS network node comprised Session Control Unit, and the history identification information that is used for being received from described transmit leg is transmitted to described recipient.
19., it is characterized in that when described transmit leg was arranged in different IMS networks with described recipient, described IMS network node comprised the Session Control Unit and the intercommunication control unit of described transmit leg place IMS network according to claim 16 or 17 described systems,
Described Session Control Unit, the history identification information that is used for being received from described transmit leg is transmitted to the IMS network at described recipient or recipient place by described intercommunication control unit.
20. according to claim 16 or 17 described systems, it is characterized in that, when described transmit leg was positioned at IMS network, described recipient and is positioned at non-IMS network, described IMS network node comprised the Session Control Unit and the intercommunication control unit of described transmit leg place IMS network
Described Session Control Unit, the history identification information that is used for being received from described transmit leg is transmitted to described intercommunication control unit;
Described intercommunication control unit, the described history identification information that is used for receiving carry out sending to described recipient after the protocol conversion.
21. according to claim 16 or 17 described systems, it is characterized in that, when described transmit leg be positioned at non-IMS network, when described recipient is positioned at the IMS network, described IMS network node comprises the intercommunication control unit of described recipient place IMS network, the history identification information that is used for being received from described transmit leg carries out protocol conversion, sends to described recipient after being converted to the history identification information that utilizes sip message to carry.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710080263 CN101247323B (en) | 2007-02-15 | 2007-02-15 | Method and system for transmitting history identification information |
| PCT/CN2008/070179 WO2008098492A1 (en) | 2007-02-15 | 2008-01-24 | Method and system of transferring history identifier information |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710080263 CN101247323B (en) | 2007-02-15 | 2007-02-15 | Method and system for transmitting history identification information |
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| CN101247323A CN101247323A (en) | 2008-08-20 |
| CN101247323B true CN101247323B (en) | 2011-04-20 |
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|---|---|---|---|
| CN 200710080263 Expired - Fee Related CN101247323B (en) | 2007-02-15 | 2007-02-15 | Method and system for transmitting history identification information |
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| US10375127B2 (en) * | 2017-08-29 | 2019-08-06 | T-Mobile Usa, Inc. | System and method for preventing robocall voicemail deposit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398103A (en) * | 2001-04-03 | 2003-02-19 | 阿尔卡塔尔公司 | Calling routing selection of information in use of session started protocol message |
| CN1575024A (en) * | 2003-06-09 | 2005-02-02 | 惠普开发有限公司 | Method and system for processing an incoming telephone call for a subscriber by presorting the call based on signal information |
| CN1882008A (en) * | 2005-07-06 | 2006-12-20 | 华为技术有限公司 | Method for realizing supplementary service attribute arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3138023B2 (en) * | 1991-10-18 | 2001-02-26 | 泉工医科工業株式会社 | Heart-lung machine |
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2007
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398103A (en) * | 2001-04-03 | 2003-02-19 | 阿尔卡塔尔公司 | Calling routing selection of information in use of session started protocol message |
| CN1575024A (en) * | 2003-06-09 | 2005-02-02 | 惠普开发有限公司 | Method and system for processing an incoming telephone call for a subscriber by presorting the call based on signal information |
| CN1882008A (en) * | 2005-07-06 | 2006-12-20 | 华为技术有限公司 | Method for realizing supplementary service attribute arrangement |
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| CN101247323A (en) | 2008-08-20 |
| WO2008098492A1 (en) | 2008-08-21 |
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