CN101465915A - Call processing method and system, junction centre - Google Patents
Call processing method and system, junction centre Download PDFInfo
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- CN101465915A CN101465915A CNA2009100018254A CN200910001825A CN101465915A CN 101465915 A CN101465915 A CN 101465915A CN A2009100018254 A CNA2009100018254 A CN A2009100018254A CN 200910001825 A CN200910001825 A CN 200910001825A CN 101465915 A CN101465915 A CN 101465915A
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Abstract
The invention discloses a call processing method and a system thereof, and a junction centre; wherein the call processing method is used in the call processing procedure between a calling user terminal of the junction centre and a called user terminal of a soft switch, including the steps that: the junction center acquires the calling logic number of the calling user terminal and the called logic number of the called user terminal and sends a connection message to the soft switch; wherein, the connecting message carries the calling logic number and the called logic number; the soft switch acquires the calling physical number of the calling user terminal and the called physical number of the called user terminal according to the calling logic number and the called logic number, and conducts call connection according to the calling physical number and the called physical number. The call processing method and the system thereof, and the junction centre improve the percentage of successful call connections.
Description
Technical field
The present invention relates to the communications field, in particular to the call processing method of the call handling process of the called user terminal of call subscriber terminal that is used for tandem exchange and soft switch and system, tandem exchange.
Background technology
Along with next generation network (Next Generation Network, abbreviate NGN as) the continuous development of technology, soft switch (Soft Switch, abbreviate SS as) become the inexorable trend of fixed network development, but, the up-front investment that how to guarantee operator just need constantly remedy, and for example, replenishes original fixed telephone service.Therefore, the development of fixed telephone service is had higher requirement for the function of switch, in order to support the multiple services realization of original fixed network user, and merges better with SS, and the tandem exchange with integrated services ability is had higher requirement.
The tandem exchange of switch is with ISDN user agreement (the Integrated Services Digital Network User Protocol of local end office (EO), abbreviate ISUP as) the signaling access, the user property of end office (EO) and professional by tandem exchange's (IMS) unified management and realization, IMS is the fusion of miscellaneous service, in order to satisfy the requirement of growing new business, and the realization that guarantees full-service, tandem exchange need carry out intercommunication with SS.
At present the LUT number of switch is many, in order to guarantee switch safety on-line operation, and the reliability that improves network, the business intercommunication of IMS and SS can guarantee intercommunication and the fusion of the SS of local subscriber's terminal and new access fully.
But because tandem exchange's user terminal and session service user's terminal are two kinds of complete user terminals inequality, the call state of these two kinds of user terminals and type of service the other side do not know.For example, tandem exchange's user terminal may be the MAP user terminal, also possible MAP+ user terminal, intelligent subscriber terminal database (the SmartHome Location Register that different user terminals is supported, abbreviate SHLR as) signaling of inquiry and the result of inquiry and inequality, when tandem exchange's user terminal A is dialed the terminal B of session service user, the business of user terminal B triggers wherein, how to trigger, tandem exchange trigger finish after, the processing procedure that can or can not carry out triggering again at SS all is in-problem.
Though the SS business development is very fast, if can not with carry out intercommunication as the IMS that moves on the full-service, then use and can reduce a lot, cause operator's early investment also can cause waste to a great extent.
At present, the problem at the user terminal of the user terminal of IMS in the correlation technique and SS can not carry out intercommunication does not propose effective solution as yet.
Summary of the invention
Can not carry out the problem of intercommunication and propose the present invention at the user terminal of IMS in the correlation technique and the user terminal of SS, for this reason, main purpose of the present invention is to provide call processing method and system, tandem exchange, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of call processing method.
According to call processing method of the present invention, the call handling process that is used for the called user terminal of the call subscriber terminal of tandem exchange and soft switch, comprise following operation: tandem exchange obtains the caller logical number of call subscriber terminal and the called logical number of called user terminal, and to soft switch transmission connection message, wherein, connection message carries caller logical number and called logical number; Soft switch is obtained the caller physical number of call subscriber terminal and the called physical number of called user terminal according to caller logical number and called logical number, and carries out call proceeding according to caller physical number and called physical number.
Preferably, soft switch is obtained called physical number according to the called logical number and comprised: soft switch is obtained called physical number by carrying the called logical number to the intelligent subscriber data base querying.
Preferably, tandem exchange obtains the caller logical number and comprises: tandem exchange obtains the caller logical number from the local data library inquiry.
Preferably, before soft switch sent connection message, said method also comprises: tandem exchange obtained the business information of call subscriber terminal in tandem exchange; If business information indication call subscriber terminal is supported IN service, then tandem exchange triggers the IN service of call subscriber terminal.
Preferably, support at called user terminal under the situation of IN service, soft switch is obtained called physical number according to the called logical number and further comprised: the first priority IN service access code of called user terminal is obtained in soft switch, and triggers the first priority IN service; Soft switch is by carrying the first priority IN service access code and the called logical number IN service to intelligent subscriber data base querying called user terminal; All the priority IN service access codes from the called user terminal of intelligent subscriber database are obtained in soft switch, and trigger all priority IN services; Lowest priority IN service access code and called logical number that soft switch is carried in all priority IN service access codes obtain called physical number to the intelligent subscriber data base querying.
To achieve these goals, according to an aspect of the present invention, also provide a kind of call processing method.
According to call processing method of the present invention, be used for the called subscriber's of the calling subscriber of tandem exchange and soft switch call handling process, comprise following operation: tandem exchange obtains the caller logical number of call subscriber terminal and the called physical number of called user terminal according to the caller physical number of call subscriber terminal and the called logical number of called user terminal; Tandem exchange sends connection message to soft switch, so that call proceeding is carried out in soft switch, wherein, connection message carries caller logical number and called physical number.
Preferably, tandem exchange is according to the caller physical number with the called logical number obtains the caller logical number and called physical number comprises: tandem exchange is by carrying the caller physical number and the called logical number obtains caller logical number and called physical number to the intelligent subscriber data base querying.
Preferably, before soft switch sent connection message, said method also comprises: tandem exchange was to the business information of intelligent subscriber data base querying call subscriber terminal in tandem exchange; If the business information of call subscriber terminal indication call subscriber terminal is supported IN service, then all IN service access codes of the call subscriber terminal that returns according to access code priority according to the intelligent subscriber database of tandem exchange trigger all IN services of call subscriber terminals.
Preferably, after tandem exchange triggered all IN services, said method also comprised: tandem exchange is to the business information of intelligent subscriber data base querying called user terminal; If the business information of called user terminal indication called user terminal is supported IN service, then all IN service access codes of the called user terminal that returns according to access code priority according to the intelligent subscriber database of tandem exchange trigger all IN services of called user terminals.
Preferably, tandem exchange obtains called physical number and comprises: tandem exchange obtains called physical number according to the IN service access code and the called logical number of lowest priority in all IN service access codes of called user terminal to the intelligent subscriber data base querying.
To achieve these goals, according to another aspect of the present invention, provide a kind of call processing system.
According to call processing system of the present invention, comprise tandem exchange and soft switch, the call handling process that is used for the called user terminal of the call subscriber terminal of tandem exchange and soft switch, tandem exchange comprises: first acquisition module is used to obtain the caller logical number of call subscriber terminal and the called logical number of called user terminal; First sending module is used for sending connection message to soft switch, and wherein, connection message carries caller logical number and the called logical number that first acquisition module obtains; Soft switch comprises: receiver module is used to receive the connection message from tandem exchange; Second acquisition module is used for the caller logical number of the connection message that receives according to receiver module and caller physical number that the called logical number obtains call subscriber terminal and the called physical number of called user terminal; Processing module, the caller physical number and the called physical number that are used for obtaining according to second acquisition module carry out call proceeding.
To achieve these goals, according to another aspect of the present invention, also provide a kind of tandem exchange.
Tandem exchange according to the present invention comprises: the 3rd acquisition module is used for obtaining the caller logical number of call subscriber terminal and the called physical number of called user terminal according to the caller physical number of call subscriber terminal and the called logical number of called user terminal; Second sending module is used for sending connection message to soft switch, so that call proceeding is carried out in soft switch, wherein, connection message carries caller logical number and the called physical number that the 3rd acquisition module obtains.
By means of such scheme of the present invention, provide between the MAP+ user terminal of the MAP user terminal of IMS and SS, and the call handling process between the MAP+ user terminal of the MAP+ user terminal of IMS and SS, solved that the user terminal of IMS and the user terminal of SS can not carry out the problem of intercommunication in the correlation technique, and then improved call completing rate.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the call processing method of the embodiment of the invention one;
Fig. 2 is that the user terminal according to the tandem exchange of the embodiment of the invention is the MAP user terminal, and session service user's terminal is the MAP+ user terminal, and calling and called all do not have the interaction diagrams of the processing procedure of IN service;
Fig. 3 is that the user terminal according to the tandem exchange of the embodiment of the invention is the MAP user terminal and the intelligent dialing business is arranged that the soft switching users terminal is the MAP+ user terminal, and the called interaction diagrams that do not have the processing procedure of IN service;
Fig. 4 is that the user terminal according to the tandem exchange of the embodiment of the invention is the MAP user terminal and the intelligent dialing business is arranged that the soft switching users terminal is the MAP+ user terminal, and the called interaction diagrams that the processing procedure of IN service is also arranged;
Fig. 5 is the flow chart according to the call processing method of the embodiment of the invention two;
Fig. 6 is that the user terminal according to the tandem exchange of the embodiment of the invention is the MAP+ user terminal, and session service user's terminal is the MAP+ user terminal, and calling and called all do not have the interaction diagrams of the processing procedure of IN service;
Fig. 7 is that the user terminal according to the tandem exchange of the embodiment of the invention is that the MAP+ user terminal has the intelligent dialing business, and session service user's terminal is MAP+ user terminal and the called interaction diagrams that do not have the processing procedure of IN service;
Fig. 8 is that the user terminal according to the tandem exchange of the embodiment of the invention is that the MAP+ user terminal has the intelligent dialing business, and session service user's terminal is the MAP+ user terminal and called IN service arranged, and the interaction diagrams of the processing procedure that triggers in tandem exchange of called intelligent service;
Fig. 9 is the structured flowchart according to the call processing system of the embodiment of the invention one;
Figure 10 is the structured flowchart according to the tandem exchange of the embodiment of the invention two.
Embodiment
Functional overview
Consider the problem that the user terminal of the user terminal of IMS in the correlation technique and SS can not carry out intercommunication; in order to protect benefits of operators; and guarantee that the fixed network switch carries out the transition to fixed network SS smoothly; the invention provides two kinds of call treatment schemes; a kind of scheme is applied to the call handling process between the MAP+ user terminal of the MAP user terminal of IMS and SS; another kind of scheme is applied to the call handling process between the MAP+ user terminal of the MAP+ user terminal of IMS and SS, and these two kinds of schemes can realize the intercommunication between fixed network exchanger user and the fixed network session service user.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment one
According to embodiments of the invention, a kind of call processing method is provided, be used for the call subscriber terminal (MAP user terminal) of IMS and the call handling process of the called user terminal (MAP+ user terminal) of SS, the business of IMS user terminal triggers at IMS, and the business of session service user's terminal triggers in the SS side.
Fig. 1 is the flow chart according to the call processing method of the embodiment of the invention one, and as shown in Figure 1, this method comprises that following step S102 is to step S104:
Step S102, IMS obtain the caller logical number of call subscriber terminal and the called logical number of called user terminal, and send connection message to soft switch, and wherein, this connection message carries caller logical number and called logical number.
Step S104, SS obtains the caller physical number of call subscriber terminal and the called physical number of called user terminal according to caller logical number and called logical number, and carries out call proceeding according to caller physical number and called physical number.Wherein, SS can obtain called physical number to the SHLR inquiry by carrying the called logical number.
By this embodiment, can realize the call handling process between the MAP+ user terminal of the MAP user terminal of IMS and SS.
Specific implementation process to this embodiment is described in detail below.
Step S102
MAP user terminal for IMS (IMS), in IMS this locality data backup is arranged, the IN service of caller does not need to inquire about to SHLR, can directly obtain the business information and the caller logical number of call subscriber terminal from the local data library inquiry, if business information indication call subscriber terminal is supported IN service, then IMS triggers the IN service of call subscriber terminal.
After the IN service triggering of call subscriber terminal finishes, according to called logical number (this moment session service user's terminal and public switch telephone network (Public Switched TelephoneNetwork, abbreviating PSTN as) user terminal mixes and puts, number segment distinguishes) analyze, IMS directly is routed to SS with caller logical number and called logical number.
Step S104
SS inquires about the IN service of called user terminal to SHLR by the called logical number that carries called user terminal, support that at called user terminal SS can comprise following operation according to the processing that the called logical number obtains called physical number under the situation of IN service:
(1) SS obtains the first priority IN service access code of called user terminal, and triggers the first priority IN service.
(2) SS is by carrying the first priority IN service access code and the called logical number IN service to SHLR inquiry called user terminal, inferior priority is arranged (promptly if can inquire called user terminal among the SHLR, second priority) IN service access code then returns time priority IN service access code in MAP message.
(3) SS obtains all the priority IN service access codes from the called user terminal of SHLR, and triggers all priority IN services.
Particularly, after the high priority IN service triggers end, carry IN service access code and called logical number and continue trigger intelligent business, finish up to all IN service triggerings.
(4) SS carries lowest priority IN service access code in all priority IN service access codes and the called logical number obtains called physical number to the SHLR inquiry.
After SS returned called physical number, SS continuing called subscriber terminal was finished calling to SHLR at last.
Need to prove, in actual applications, call subscriber terminal may occur has IN service, call subscriber terminal not to have IN service, call subscriber terminal to be that user, call subscriber terminal are that user terminal or the call subscriber terminal that changes the message Incoming before the band is these situations such as color ring user in the group, can to handle according to following method for these situations:
(1) if call subscriber terminal does not have IN service and called user terminal not to have IN service, then IMS returns the called physical number of called user terminal from SHLR, is the physical number analysis of called user terminal out directly.
(2) if when call subscriber terminal does not have IN service and called user terminal that IN service is arranged, then IMS returns the IN service access code of called user terminal from SHLR, is the IN service access code of called user terminal and called logical number analysis out.
(3), carry out number analysis before need being put into called number to the access code that returns if in the group during user.
(4) if CRBT service provided to the calling party is arranged, or the call one-number two user, trigger the CRBT and the two phones just one number business of caller earlier.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Example 1
Fig. 2 is that the user terminal according to the IMS of the embodiment of the invention is the MAP user terminal, session service user's terminal is the MAP+ user terminal, and calling and called all do not have the interaction diagrams of the processing procedure of IN service, as shown in Figure 2, comprise following step S202 to step S208:
Step S202, the call subscriber terminal of IMS is from VLR Visitor Location Register (VisitorLocation Register, abbreviate VLR as) the local backup database obtain the attribute (that is call subscriber terminal business) of call subscriber terminal and the caller logical number of call subscriber terminal.
Step S204, the IMS side is the called logical number analysis of called user terminal an outgoing route by number analysis, directly route is given SS,, caller logical number and called logical number is sent to SS that is.
Step S206, the SS side is carried the called logical number and is inquired about to SHLR.
Step S208, SHLR returns the called physical number of called user terminal to SS, and carries out number analysis and continue, and finishes calling.
By this example, the user terminal that can realize IMS is the MAP user terminal, and session service user's terminal is the MAP+ user terminal, and calling and called all do not have the processing procedure of IN service.
Example 2
Fig. 3 is that the user terminal according to the IMS of the embodiment of the invention is the MAP user terminal and the intelligent dialing business is arranged, session service user's terminal is the MAP+ user terminal, and the called interaction diagrams that do not have the processing procedure of IN service as shown in Figure 3, comprise that following step S302 is to step S310:
Step S302, the call subscriber terminal of IMS obtains the caller logical number of the attribute and the call subscriber terminal of call subscriber terminal from the local backup database of VLR, and wherein, the attribute of call subscriber terminal comprises that call subscriber terminal has the intelligent dialing business.
Step S304, IMS side direction intelligent network triggering intelligent network service.
Step S306, the IMS side sends to SS with the called logical number of caller logical number and called user terminal.
Step S308, the SS side is carried the called logical number and is inquired about to SHLR.
Step S310, SHLR returns the called physical number of called user terminal to SS, and carries out number analysis and continue, and finishes calling.
By this example, the user terminal that can realize IMS is the MAP user terminal and the intelligent dialing business is arranged that session service user's terminal is the MAP+ user terminal, and the called processing procedure that does not have IN service.
Example 3
Fig. 4 is that the user terminal according to the IMS of the embodiment of the invention is the MAP user terminal and the intelligent dialing business is arranged, session service user's terminal is the MAP+ user terminal, and the called interaction diagrams that the processing procedure of IN service is also arranged as shown in Figure 4, comprise that following step S402 is to step S422:
Step S402, the call subscriber terminal of IMS side obtains the logical number of the attribute and the call subscriber terminal of call subscriber terminal from VLR local backup database, and wherein, the attribute of call subscriber terminal comprises that call subscriber terminal has the intelligent dialing business.
Step S404, IMS side direction intelligent network triggers the IN service of call subscriber terminal.
Step S406, call subscriber terminal carry the business information of the called logical number of called user terminal to SHLR inquiry called user terminal.
Step S408, SHLR return limit priority (that is first priority) called intelligent service access code in the IN service access code of called user terminal.
Step S410, IMS lateral root be according to the first priority IN service access code and the called logical number of the called user terminal that returns, by number analysis, analyzes and be outgoing route, and directly route is given SS.
Step S412, SS trigger the IN service of called user terminal to intelligent network.
Step S414, SS inquires about to SHLR according to the limit priority IN service access code (that is first called intelligent service access code) and the called logical number of the IN service of called user terminal.
Step S416, SHLR returns second called intelligent service access code (being the lowest priority IN service access code of called user terminal) here to SS.
Step S418, SS triggers called intelligent service to intelligent network.
Step S420, SS carry called user terminal lowest priority IN service access code and the called logical number is inquired about to SHLR.
Step S422, SHLR returns the called physical number of called user terminal to SS, and after this, SS sends to the IMS side with the called physical number of called user terminal, and the IMS lateral root is routed to SS according to called physical number with speech channel, continues.
By this example, the user terminal that can realize IMS is the MAP user terminal and the intelligent dialing business is arranged that session service user's terminal is the MAP+ user terminal, and the called processing procedure that IN service is also arranged.
Method embodiment two
According to embodiments of the invention, a kind of call processing method is provided, be used for the call subscriber terminal (MAP+ user terminal) of IMS and the call handling process of the called user terminal (MAP+ user terminal) of SS, IMS business and SS business all trigger at IMS.
Fig. 5 is the flow chart according to the call processing method of the embodiment of the invention two, and as shown in Figure 5, this method comprises that following step S502 is to step S504:
Step S502, IMS obtains the caller logical number of call subscriber terminal and the called physical number of called user terminal according to the caller physical number of call subscriber terminal and the called logical number of called user terminal.Particularly, IMS can obtain caller logical number and called physical number to the SHLR inquiry by carrying caller physical number and called logical number.
Step S504, IMS sends connection message to soft switch, so that call proceeding is carried out in soft switch, wherein, connection message carries caller logical number and called physical number.
Specific implementation process to this embodiment is described in detail below.
Step S502
(1) IMS uses the business information of MAP+ message to SHLR inquiring calling user terminal.
(2) if the business information of call subscriber terminal indication call subscriber terminal is supported IN service, then SHLR is according to the MAP+ flow processing of standard, return the IN service access code of call subscriber terminal successively, IMS triggers all IN services of call subscriber terminals to intelligent network according to all IN service access codes of the call subscriber terminal that SHLR returns according to access code priority.
(3) after the IN service triggering of all call subscriber terminals finished, IMS continued the business information to SHLR inquiry called user terminal.Need to prove, because the access code of IN service has priority, therefore, during the IN service of inquiry called user terminal, need the lowest priority access code of the IN service of use call subscriber terminal, can avoid the IN service of call subscriber terminal repeatedly to trigger like this.
(4) if the business information of called user terminal indication called user terminal is supported IN service, then SHLR returns the IN service access code of called user terminal successively, and all IN service access codes of the called user terminal that IMS returns according to access code priority according to SHLR trigger all IN services of called user terminals.Particularly, IMS inquires about to SHLR according to the IN service access code and the called logical number of called user terminal, and SHLR returns the IN service access code of called user terminal successively according to access code priority.
(5) up to returning all IN service access codes, IMS obtains called physical number according to the IN service access code and the called logical number of lowest priority in all IN service access codes of called user terminal to the SHLR inquiry.
Step S504
IMS is the called physical number analysis outgoing route by number analysis, gives SS, and SS continues, and finishes calling.
Need to prove, in actual applications, can handle the situation that may occur according to following method:
(1) called user terminal has IN service if call subscriber terminal does not have IN service, and then IMS returns the IN service access code of called user terminal according to SHLR, is the IN service access code of called user terminal and called logical number analysis out.
(2), carry out number analysis before need being put into called number to the access code that returns if in the group during user.
(3) if CRBT service provided to the calling party is arranged, or the call one-number two user terminal, need the CRBT and the two phones just one number business of triggering call subscriber terminal earlier.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Example 4
Fig. 6 is that the user terminal according to the IMS of the embodiment of the invention is the MAP+ user terminal, session service user's terminal is the MAP+ user terminal, and calling and called all do not have the interaction diagrams of the processing procedure of IN service, as shown in Figure 6, comprise that following step S602 is to step S606:
Step S602, the IMS side is carried the caller physical number of call subscriber terminal, the called logical number of called user terminal is inquired about to SHLR.
Step S604, SHLR returns the caller logical number of call subscriber terminal and the called physical number of called user terminal to the IMS side.
Step S606, the IMS side is the called physical number analysis of called user terminal an outgoing route by number analysis, the IMS lateral root is routed to SS according to the called physical number of called user terminal with speech channel, continues.
By this example, the user terminal that can realize IMS is the MAP+ user terminal, and session service user's terminal is the MAP+ user terminal, and calling and called all do not have the processing procedure of IN service.
Example 5
Fig. 7 is that the user terminal according to the IMS of the embodiment of the invention is that the MAP+ user terminal has the intelligent dialing business, session service user's terminal is MAP+ user terminal and the called interaction diagrams that do not have the processing procedure of IN service, as shown in Figure 7, comprise that following step S701 is to step S712:
Step S701, the IMS side is carried the caller physical number of call subscriber terminal and the called logical number of called user terminal is inquired about to SHLR.
Step S702, SHLR return the limit priority (that is first priority) of call subscriber terminal IN service to the IMS side.
Step S703, IMS side direction intelligent network triggers the IN service of call subscriber terminal.
Step S704, the IMS side is carried the limit priority (that is, the IN service access code of first call subscriber terminal) of call subscriber terminal, the caller physical number of call subscriber terminal and the called logical number of called user terminal, inquires about to SHLR.
Step S705, SHLR returns time priority IN service access code (that is the second priority IN service access code of call subscriber terminal) to the IMS side.
Step S706, IMS side direction intelligent network triggers the IN service of call subscriber terminal.
Step S707, the IMS side is carried inferior priority IN service access code, caller physical number and the called logical number of call subscriber terminal, inquires about to SHLR.
Step S708, SHLR return the lowest priority IN service access code of call subscriber terminal to the IMS side.
Step S709, IMS side direction intelligent network triggers the IN service of call subscriber terminal.
Step S710, the IMS side is carried lowest priority IN service access code, caller physical number and the called logical number of call subscriber terminal, inquires about to SHLR.
Step S711, SHLR returns the caller logical number of call subscriber terminal and the called physical number of called user terminal to the IMS side.
Step S712, the IMS side is by number analysis, and it is outgoing route that called physical number is directly analyzed; The IMS lateral root is routed to SS according to called physical number with speech channel, continues.
By this example, the user terminal that can realize IMS is that the MAP+ user terminal has the intelligent dialing business, and session service user's terminal is MAP+ user terminal and the called processing procedure that does not have IN service.
Example 6
Fig. 8 is that the user terminal according to the IMS of the embodiment of the invention is that the MAP+ user terminal has the intelligent dialing business, session service user's terminal is the MAP+ user terminal and called IN service is arranged, and called intelligent service is at the interaction diagrams of the processing procedure of IMS triggering, as shown in Figure 8, comprise that following step S801 is to step S821:
Step S801, the IMS side is carried the caller physical number of call subscriber terminal and the called logical number of called user terminal is inquired about to SHLR.
Step S802, SHLR return limit priority (that is first priority) the IN service access code of call subscriber terminal to the IMS side.
Step S803, IMS side direction intelligent network triggers the IN service of call subscriber terminal.
Step S804, the IMS side is carried limit priority IN service access code, caller physical number and the called logical number of call subscriber terminal, inquires about to SHLR.
Step S805, SHLR returns time priority IN service access code (that is the second priority IN service access code) to the IMS side.
Step S806, IMS side direction intelligent network triggers the IN service of call subscriber terminal.
Step S807, the IMS side is carried inferior priority IN service access code, caller physical number and the called logical number of call subscriber terminal, inquires about to SHLR.
Step S808, SHLR returns lowest priority IN service access code to the IMS side.
Step S809, IMS side direction intelligent network triggers the IN service of call subscriber terminal.
Step S810, the IMS side is carried lowest priority, caller physical number and the called logical number of call subscriber terminal, inquires about to SHLR.
Step S811, SHLR return limit priority (that is first priority) the IN service access code of called user terminal to the IMS side.
Step S812, IMS side direction intelligent network triggers the IN service of called user terminal.
Step S813, the IMS side is carried access code, the called logical number of the limit priority IN service access code of called user terminal, inquires about to SHLR.
Step S814, SHLR return inferior high (that is second priority) IN service access code of called user terminal to the IMS side.
Step S815, IMS side direction intelligent network triggers the IN service of called user terminal.
Step S816, the IMS side is carried the inferior priority IN service access code of called user terminal, the physical number of call subscriber terminal and the logical number of called user terminal, inquires about to SHLR.
Step S817, SHLR returns lowest priority IN service access code to the IMS side.
Step S818, IMS side direction intelligent network triggers called intelligent service.
Step S819, the IMS side is carried lowest priority IN service access code, the called logical number of caller physical number and called user terminal, inquires about to SHLR.
Step S820, SHLR return the called physical number of called user terminal to the IMS side.
Step S821, the IMS side is directly analyzed called physical number by number analysis and is outgoing route, and the IMS lateral root is routed to SS according to called physical number with speech channel, continues.
By this example, the user terminal that can realize IMS is that the MAP+ user terminal has the intelligent dialing business, and session service user's terminal is the MAP+ user terminal and called IN service arranged, and the processing procedure that triggers at IMS of called intelligent service.
System embodiment one
According to embodiments of the invention, a kind of call processing system is provided, this system is used for the call subscriber terminal (MAP user terminal) of IMS and the call handling process of the called user terminal (MAP+ user terminal) of SS, can be used to realize above-mentioned method embodiment one.
Fig. 9 is the structured flowchart according to the call processing system of the embodiment of the invention one, and as shown in Figure 9, this system comprises IMS 2 and SS 4, below its detailed structure is described.
SS4 is connected to IMS 2, comprising: receiver module 40 is used to receive the connection message from tandem exchange; Second acquisition module 42 is connected to receiver module 40, is used for the caller logical number of the connection message that receives according to receiver module 40 and caller physical number that the called logical number obtains call subscriber terminal and the called physical number of called user terminal; Processing module 44 is connected to second acquisition module 42, and the caller physical number and the called physical number that are used for obtaining according to second acquisition module 42 carry out call proceeding.
By this embodiment, provide the call subscriber terminal (MAP user terminal) that to realize IMS system with the call handling process of the called user terminal (MAP+ user terminal) of SS.
System embodiment two
According to embodiments of the invention, a kind of IMS is provided, this IMS comprises IMS and SS, is used for the call subscriber terminal (MAP+ user terminal) of IMS and the call handling process of the called user terminal (MAP+ user terminal) of SS, can be used to realize above-mentioned method embodiment two.
Figure 10 is the structured flowchart according to the IMS of the embodiment of the invention two, and as shown in figure 10, IMS comprises: the 3rd acquisition module 32 and second sending module 34 are described said structure below.
The 3rd acquisition module 32 is used for obtaining the caller logical number of call subscriber terminal and the called physical number of called user terminal according to the caller physical number of call subscriber terminal and the called logical number of called user terminal; Second sending module 34 is connected to the 3rd acquisition module 32, is used for sending connection message to soft switch, so that call proceeding is carried out in soft switch, wherein, this connection message carries caller logical number and the called physical number that the 3rd acquisition module 32 obtains.
By this embodiment, provide the call subscriber terminal (MAP+ user terminal) that to realize IMS system with the call handling process of the called user terminal (MAP+ user terminal) of SS.
In sum, by the above embodiment of the present invention, can realize the intercommunication between fixed network exchanger user and the fixed network session service user, and can improve call completing rate to a great extent, and guarantee the session service user that carries out the transition to that exchanger user can be smoothly stable.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.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 (12)
1. call processing method is used for the call handling process of the called user terminal of the call subscriber terminal of tandem exchange and soft switch, it is characterized in that described method comprises:
Described tandem exchange obtains the caller logical number of described call subscriber terminal and the called logical number of described called user terminal, and to described soft switch transmission connection message, wherein, described connection message carries described caller logical number and described called logical number;
Described soft switch is obtained the caller physical number of described call subscriber terminal and the called physical number of described called user terminal according to described caller logical number and described called logical number, and carries out call proceeding according to described caller physical number and described called physical number.
2. method according to claim 1 is characterized in that, described soft switch is obtained described called physical number according to described called logical number and comprised:
Described soft switch is obtained described called physical number by carrying described called logical number to the intelligent subscriber data base querying.
3. method according to claim 1 is characterized in that, described tandem exchange obtains described caller logical number and comprises:
Described tandem exchange obtains described caller logical number from the local data library inquiry.
4. according to each described method in the claim 1 to 3, it is characterized in that before described soft switch sent described connection message, described method also comprised in described tandem exchange:
Described tandem exchange obtains the business information of described call subscriber terminal;
If described business information indicates described call subscriber terminal to support IN service, then described tandem exchange triggers the IN service of described call subscriber terminal.
5. method according to claim 4 is characterized in that, supports that at described called user terminal described soft switch is obtained described called physical number according to described called logical number and further comprised under the situation of IN service:
The first priority IN service access code of described called user terminal is obtained in described soft switch, and triggers the first priority IN service;
Described soft switch is by carrying described first priority IN service access code and the described called logical number IN service to the described called user terminal of described intelligent subscriber data base querying;
All the priority IN service access codes from the described called user terminal of described intelligent subscriber database are obtained in described soft switch, and trigger all priority IN services;
Lowest priority IN service access code and described called logical number that described soft switch is carried in described all priority IN service access codes obtain described called physical number to described intelligent subscriber data base querying.
6. call processing method is used for the called subscriber's of the calling subscriber of tandem exchange and soft switch call handling process, it is characterized in that described method comprises:
Described tandem exchange obtains the caller logical number of described call subscriber terminal and the called physical number of described called user terminal according to the caller physical number of described call subscriber terminal and the called logical number of described called user terminal;
Described tandem exchange sends connection message to described soft switch, so that call proceeding is carried out in described soft switch, wherein, described connection message carries described caller logical number and described called physical number.
7. method according to claim 6 is characterized in that, described tandem exchange is according to described caller physical number and described called logical number obtains described caller logical number and described called physical number comprises:
Described tandem exchange is by carrying described caller physical number and described called logical number obtains described caller logical number and described called physical number to the intelligent subscriber data base querying.
8. method according to claim 6 is characterized in that, before described soft switch sent connection message, described method also comprised in described tandem exchange:
Described tandem exchange is to the business information of the described call subscriber terminal of intelligent subscriber data base querying;
If the business information of described call subscriber terminal indicates described call subscriber terminal to support IN service, all IN service access codes of the described call subscriber terminal that then described tandem exchange returns according to access code priority according to described intelligent subscriber database trigger all IN services of described call subscriber terminal.
9. method according to claim 8 is characterized in that, after described tandem exchange triggered described all IN services, described method also comprised:
Described tandem exchange is to the business information of the described called user terminal of described intelligent subscriber data base querying;
If the business information of described called user terminal indicates described called user terminal to support IN service, all IN service access codes of the called user terminal that then described tandem exchange returns according to access code priority according to described intelligent subscriber database trigger all IN services of described called user terminal.
10. method according to claim 9 is characterized in that, described tandem exchange obtains described called physical number and comprises:
Described tandem exchange obtains described called physical number according to the IN service access code and the described called logical number of lowest priority in all IN service access codes of described called user terminal to described intelligent subscriber data base querying.
11. a call processing system comprises tandem exchange and soft switch, is used for the call handling process of the called user terminal of the call subscriber terminal of described tandem exchange and described soft switch, it is characterized in that,
Described tandem exchange comprises:
First acquisition module is used to obtain the caller logical number of described call subscriber terminal and the called logical number of described called user terminal;
First sending module is used for sending connection message to described soft switch, and wherein, described connection message carries described caller logical number and the described called logical number that described first acquisition module obtains;
Described soft switch comprises:
Receiver module is used to receive the described connection message from described tandem exchange;
Second acquisition module, the described caller logical number and the described called logical number that are used for the described connection message that receives according to described receiver module obtain the caller physical number of described call subscriber terminal and the called physical number of described called user terminal;
Processing module is used for carrying out call proceeding according to described caller physical number and described called physical number that described second acquisition module obtains.
12. a tandem exchange is characterized in that, comprising:
The 3rd acquisition module is used for obtaining the caller logical number of described call subscriber terminal and the called physical number of described called user terminal according to the caller physical number of described call subscriber terminal and the called logical number of described called user terminal;
Second sending module is used for sending connection message to soft switch, so that call proceeding is carried out in described soft switch, wherein, described connection message carries described caller logical number and the described called physical number that described the 3rd acquisition module obtains.
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|---|---|---|---|
| CNA2009100018254A CN101465915A (en) | 2009-01-07 | 2009-01-07 | Call processing method and system, junction centre |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100018254A CN101465915A (en) | 2009-01-07 | 2009-01-07 | Call processing method and system, junction centre |
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| CNA2009100018254A Pending CN101465915A (en) | 2009-01-07 | 2009-01-07 | Call processing method and system, junction centre |
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