CN102045598A - Method and device for realizing called party payment service in IP (internet protocol) multimedia sub-system (IMS) network - Google Patents

Method and device for realizing called party payment service in IP (internet protocol) multimedia sub-system (IMS) network Download PDF

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Publication number
CN102045598A
CN102045598A CN2010106246825A CN201010624682A CN102045598A CN 102045598 A CN102045598 A CN 102045598A CN 2010106246825 A CN2010106246825 A CN 2010106246825A CN 201010624682 A CN201010624682 A CN 201010624682A CN 102045598 A CN102045598 A CN 102045598A
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CN
China
Prior art keywords
freephone
ims network
sign
mgcf
request message
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Pending
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CN2010106246825A
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Chinese (zh)
Inventor
李冬青
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN2010106246825A priority Critical patent/CN102045598A/en
Publication of CN102045598A publication Critical patent/CN102045598A/en
Priority to PCT/CN2011/084390 priority patent/WO2012089055A1/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/57—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for integrated multimedia messaging subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13136—Collect call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13248—Multimedia
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13389—LAN, internet

Abstract

The embodiment of the invention provides a method and device for realizing called party payment service in an IP (internet protocol) multimedia sub-system (IMS) network, and the method comprises the following steps: receiving a call request containing a called party payment prefix, which is sent by a calling party positioned in the IMS network; and sending a session initiation protocol (SIP) session request message containing a called party payment marker to a called AS (application server) according to the call request so as to enable the called AS to implement called party payment treatment for a called party according to the called party payment marker. As the called party payment marker is added in the SIP session request message when a calling AS sends the SIP session request message of called party payment to the called AS, the called AS can know the SIP session request message is the called party payment service according to the called party payment marker, thereby realizing the called party payment service in the IMS network.

Description

Realize the method and apparatus of freephone at the IP Multimedia System network
Technical field
The embodiment of the invention relates to communication technical field, relates in particular to a kind of method and apparatus of realizing freephone at the IP Multimedia System network.
Background technology
At traditional next generation network (Next Generation Network, abbreviate as: NGN) and PSTN (Public Switched Telephone Network, abbreviate as: PSTN), when using freephone (Collect Call) professional, caller needs to add before called number (for example: 90) dials pre-configured professional prefix, for example: user A calling party B, user A dials 90+B; Behind the called off-hook, both call sides all can be heard voice suggestion, illustrates that this calls out is freephone; If either party is (this time is configurable) on-hook in 12 seconds, then calling and called do not charge, otherwise this conversation will adopt the mode of freephone to charge.
(IP Multimedia Subsystem abbreviates as: IMS) be the subsystem of supporting IP multimedia service, be telecommunications core net of future generation, with the irrelevant core net of access technology to IP Multimedia System.The dialogue-based initializtion protocol of IMS (Session Initiation Protocol, abbreviate as: SIP), SIP is the text based signaling protocol by client/server approach work, and IMS uses SIP to call out controlling mechanism various types of multimedia services of creating, manage and terminate.Various types of clients all may be set up IP communication end to end by IMS, and can obtain needed service quality.In addition, the IMS system also relates to the service finished provides necessary function (for example registration, safety, charging, carrying control, roaming etc.).
Yet, call out owing in the IMS network, all be based on the SIP of IP, so can't realize freephone according to the flow process among existing NGN or the PSTN.Thus, how to realize in the IMS network that freephone is a urgent problem.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus in IP Multimedia System network realization freephone, in order to realize freephone in the IMS network.
The embodiment of the invention provides a kind of method in IMS network realization freephone, comprising:
Reception is positioned at the call request that comprises the freephone prefix of calling subscriber's transmission of IMS network;
According to described call request, send the SIP conversation request message that comprises the freephone sign to called AS, so that carrying out freephone according to described freephone sign to the called subscriber, handles described called AS.
The embodiment of the invention also provides a kind of method in IMS network realization freephone, comprising:
Reception is positioned at the call request that comprises the freephone prefix of calling subscriber's transmission of IMS network;
According to described call request, send the SIP conversation request message that comprises the freephone sign to MGCF, so that described MGCF sends call request according to described freephone sign to non-IMS network.
The embodiment of the invention also provides a kind of method in IMS network realization freephone, comprising:
Receive the SIP conversation request message that comprises the freephone sign that caller AS or MGCF send;
According to described freephone sign, the called subscriber who is positioned at the IMS network is carried out freephone handle.
The embodiment of the invention provides a kind of device in IMS network realization freephone, is contained in caller AS, and described device comprises:
First receiver module is used to receive the call request that comprises the freephone prefix of the calling subscriber's transmission that is positioned at the IMS network;
First sending module is used for sending the SIP conversation request message that comprises the freephone sign to called AS, handles so that described called AS carries out freephone according to described freephone sign to the called subscriber.
The embodiment of the invention also provides a kind of device in IMS network realization freephone, is contained in caller AS, and described device comprises:
Second receiver module is used to receive the call request that comprises the freephone prefix of the calling subscriber's transmission that is positioned at the IMS network;
Second sending module is used for according to described call request, sends the SIP conversation request message that comprises the freephone sign to MGCF, so that described MGCF sends call request according to described freephone sign to non-IMS network.
The embodiment of the invention provides a kind of device in IMS network realization freephone, is contained in MGCF, and described device comprises:
The 3rd receiver module is used to receive the SIP conversation request message that comprises the freephone sign that caller AS sends;
The 3rd sending module is used for then sending the call request that does not comprise described freephone sign to non-IMS network if the IMS network at calling subscriber place is office before chargeing;
The 4th sending module is used for if the IMS network at calling subscriber place is a charging office, then sends the call request that comprises the forward direction deictic word that is used to indicate freephone to non-IMS network.
The embodiment of the invention provides a kind of device in IMS network realization freephone, is contained in called AS, and described device comprises:
The 4th receiver module is used to receive the SIP conversation request message that comprises the freephone sign that caller AS or MGCF send;
Processing module is used for the called subscriber who is positioned at the IMS network being carried out freephone handling according to described freephone sign.
The embodiment of the invention provides a kind of device in IMS network realization freephone, is contained in MGCF, and described device comprises:
The 5th receiver module is used to receive the call request that is used to indicate the forward direction deictic word of freephone or comprises the freephone prefix that comprises of non-IMS network transmission;
The 5th sending module is used for according to described call request, sends the SIP conversation request message that comprises the freephone sign to called AS.
The method and apparatus in IP Multimedia System network realization freephone of the embodiment of the invention, caller AS is when called AS sends the SIP conversation request message of freephone, in this SIP conversation request message, added the freephone sign, make called AS according to this freephone sign, can know that this SIP conversation request message is a freephone, thereby in the IMS network, realize freephone.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 realizes the flow chart of the method embodiment one of freephone at the IMS network for the present invention;
Fig. 2 realizes the signaling diagram of the method embodiment two of freephone at the IMS network for the present invention;
Fig. 3 realizes the flow chart of the method embodiment three of freephone at the IMS network for the present invention;
Fig. 4 realizes the signaling diagram of the method embodiment four of freephone at the IMS network for the present invention;
Fig. 5 realizes the flow chart of the method embodiment five of freephone at the IMS network for the present invention;
Fig. 6 realizes the signaling diagram of the method embodiment six of freephone at the IMS network for the present invention;
Fig. 7 realizes the schematic diagram of the device embodiment one of freephone at the IMS network for the present invention;
Fig. 8 realizes the schematic diagram of the device embodiment two of freephone at the IMS network for the present invention;
Fig. 9 realizes the schematic diagram of the device embodiment three of freephone at the IMS network for the present invention;
Figure 10 realizes the schematic diagram of the device embodiment four of freephone at the IMS network for the present invention;
Figure 11 realizes the schematic diagram of the device embodiment five of freephone at the IMS network for the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the flow chart of the present invention at the method embodiment one of IMS network realization freephone, and as shown in Figure 1, this method comprises:
Step 101, reception are positioned at the call request that comprises the freephone prefix of calling subscriber's transmission of IMS network.
Present embodiment can be applied to following scene: calling subscriber and called subscriber all are arranged in the IMS network.The executive agent of present embodiment is that (Application Server abbreviates as: AS) the caller application server.
When the calling subscriber wished to use freephone, the calling subscriber can add before the telephone number the called subscriber when calling out the called subscriber and appropriates the expense prefix, for example adds and dials 90.The calling subscriber sends the call request that comprises the freephone prefix to the called subscriber, and caller AS receives this call request.
Step 102, according to this call request, send the SIP conversation request message that comprises the freephone sign to called AS handle so that called AS carries out freephone according to the freephone sign to the called subscriber.
After caller AS receives the call request of calling subscriber's transmission, according to the freephone prefix that comprises in this call request, judging this call request is freephone, thus, caller AS carries freephone sign in sending to the SIP conversation request message of called AS, being that freephone is informed to called AS with this call request.Wherein, this freephone sign can be carried in the message header of this SIP conversation request message, also can be carried in the message body of this SIP conversation request message.
After called AS received this SIP conversation request message, according to this freephone sign, the calling that can know this SIP conversation request message correspondence was a freephone, thereby called execution freephone is handled.
The embodiment of the invention, caller AS is when called AS sends the SIP conversation request message of freephone, in this SIP conversation request message, added the freephone sign, make called AS according to this freephone sign, can know that this SIP conversation request message is a freephone, thereby in the IMS network, realize freephone.
Fig. 2 is the signaling diagram of the present invention at the method embodiment two of IMS network realization freephone, and present embodiment is on basis embodiment illustrated in fig. 1, and as shown in Figure 2, this method comprises:
Step 201, calling subscriber (UE-A) are to originating S-CSCF (Serving Call Session Control Function, the call conversation control function entity of service) sends call request message, wherein UE-A adds group freephone prefix 90 before called number, promptly comprises the freephone prefix in this call request message.
Step 202, originating S-CSCF (being S-CSCF1) are given caller AS (being AS-A) with the call request message routing forwarding.
After step 203, caller AS (being AS-A) receive call request message, add the freephone sign in the SIP conversation request message of called AS to be sent giving.
Concrete, after caller AS receives call request message, called number in this call request message is analyzed, according to the freephone prefix before the called number, analyzing this call request is freephone (Collect call) business, in SIP conversation request message to be sent, add the freephone sign thus, for example can in message header, add the freephone sign, concrete: the Service-Code in P-Asserted-Service-Info fills in " Backward Collect Call " indication, and " Backward Collect Call " is the freephone sign.
The SIP conversation request message that step 204, caller AS will be added with the freephone sign sends to S-CSCF1.
Step 205, S-CSCF1 send to called S-CSCF (being S-CSCF2) with this SIP conversation request message.
Step 206, S-CSCF2 are transmitted to called AS (being AS-B) with this SIP conversation request message.
Step 207, AS-B are according to the freephone sign that comprises in this SIP conversation request message, and it is professional for freephone to identify this call request, thus called (UE-B) is carried out the processing of freephone.
Step 208, AS-B send call request message to S-CSCF2.
Step 209, S-CSCF2 are sent to UE-B with call request message, connect with the calling that continues between UE-A and the UE-B.
The embodiment of the invention, caller AS is when called AS sends the SIP conversation request message of freephone, in this SIP conversation request message, added the freephone sign, make called AS according to this freephone sign, can know that this SIP conversation request message is a freephone, thereby in the IMS network, realize freephone.
Fig. 3 is the flow chart of the present invention at the method embodiment three of IMS network realization freephone, and as shown in Figure 3, this method comprises:
Step 301, reception are positioned at the call request that comprises the freephone prefix of calling subscriber's transmission of IMS network.
Present embodiment can be applied to following scene: the calling subscriber is positioned at the IMS network, and the called subscriber is positioned at non-IMS network, and for example: the calling subscriber is positioned at the IMS network, and the called subscriber is positioned at the PSTN network.The executive agent of present embodiment is caller AS.
When the calling subscriber wished to use freephone, the calling subscriber can add before the telephone number the called subscriber when calling out the called subscriber and appropriates the expense prefix, for example adds and dials 90.The calling subscriber sends the call request that comprises the freephone prefix to the called subscriber, and caller AS receives this call request.
Step 302, according to this call request, to MGCF (Media Gateway Control Function, MGCF) sends the SIP conversation request message that comprises the freephone sign, so that MGCF sends call request according to the freephone sign to non-IMS network.
After caller AS received the call request of calling subscriber's transmission, according to the freephone prefix that comprises in this call request, judging this call request was freephone.Because the called subscriber is positioned at other networks of non-IMS network, the call request that caller AS sends will send to other networks through MGCF.
Caller AS carries the freephone sign, so that MGCF is that freephone is informed to other networks with this call request in sending to the SIP conversation request message of MGCF when judging this call request and be freephone.Wherein, this freephone sign can be carried in the message header of this SIP conversation request message, also can be carried in the message body of this SIP conversation request message.
After MGCF receives this SIP conversation request message, according to this freephone sign, the calling that can know this SIP conversation request message correspondence is a freephone, and MGCF sends call request to the non-IMS network that the called subscriber is positioned at then, so that the called subscriber is carried out freephone.
The embodiment of the invention, caller AS is when MGCF sends the SIP conversation request message of freephone, in this SIP conversation request message, added the freephone sign, make MGCF according to this freephone sign, can know that this SIP conversation request message is a freephone, send call request according to this freephone sign other networks then, thereby in the IMS network, realized freephone to the called subscriber place.
Fig. 4 is the signaling diagram of the present invention at the method embodiment four of IMS network realization freephone, and present embodiment is on basis embodiment illustrated in fig. 3, and as shown in Figure 4, this method comprises:
Step 401, calling subscriber (UE-A) send call request message to originating S-CSCF, and wherein UE-A adds group freephone prefix 90 before called number, promptly comprises the freephone prefix in this call request message.
Step 402, originating S-CSCF are transmitted to caller AS (being AS-A) with call request message.
After step 403, caller AS receive call request message, add the freephone sign in the SIP conversation request message of MGCF to be sent giving.
Concrete, after caller AS receives call request message, called number in this call request message is analyzed, according to the freephone prefix before the called number, analyzing this call request is freephone, add the freephone sign in the SIP conversation request message of MGCF to be sent giving thus, for example: the Service-Code in P-Asserted-Service-Info fills in " Backward Collect Call " indication, and " Backward Collect Call " is the freephone sign.
The SIP conversation request message that step 404, caller AS will be added with the freephone sign sends to S-CSCF.
Step 405, S-CSCF send to MGCF with this SIP conversation request message.
S-CSCF gives MGCF with this SIP conversation request message route, and keeps including in this SIP conversation request message the freephone sign.
Step 406, MGCF are according to the freephone sign that comprises in this SIP conversation request message, and the PSTN in non-IMS network sends call request.
In the network configuration of freephone, can be divided into charge preceding office, charging office and the back office that charges in logic; Wherein, office is generally Originating Office before chargeing, and charging office is generally tandem exchange, and the back office that charges is generally landing office.MGCF can carry out different processing according to the logical place of the residing IMS network of calling subscriber, is specifically as follows following two kinds of dispositions:
A, if the IMS network at calling subscriber place is office before chargeing, then MGCF sends the call request that does not comprise the freephone sign to non-IMS network, wherein, carries the freephone prefix before the called number in this call request.
B, if the IMS network at calling subscriber place is a charging office, then MGCF sends the call request that comprises the forward direction deictic word that is used to indicate freephone to non-IMS network; Concrete, MGCF is according to the sign of the freephone in the SIP conversation request message, is 1 with the M bit-identify among the Forward call indicators that sends in IAM (initial address message, the initial address message) message of PSTN; Wherein, the M position among the Forward call indicators is that 1 this call business of expression is a freephone; PSTN 1 handles the follow-up flow process of collect call.
Wherein, when the IMS at calling subscriber place network was charging office, MGCF need give the back office forward direction charging indication of chargeing, and promptly needs to inform the back office that charges, and charging office has produced the ticket to the called subscriber.
Step 407, PSTN are sent to called subscriber (UE-B) with call request, connect with the calling that continues between UE-A and the UE-B.
The embodiment of the invention, caller AS is when MGCF sends the SIP conversation request message of freephone, in this SIP conversation request message, added the freephone sign, make MGCF according to this freephone sign, can know that this SIP conversation request message is a freephone, send call request according to this freephone sign other networks then, thereby in the IMS network, realized freephone to the called subscriber place.
Fig. 5 is the flow chart of the present invention at the method embodiment five of IMS network realization freephone, and as shown in Figure 5, this method comprises:
The SIP conversation request message that comprises the freephone sign that step 501, reception caller AS or MGCF send.
Present embodiment can be applied to following scene: the calling subscriber is positioned at IMS network or non-IMS network, and the called subscriber is positioned at the IMS network.The executive agent of present embodiment is called AS.
When the calling subscriber was positioned at the IMS network, caller AS sends the process of the SIP conversation request message that comprises the freephone sign to called AS can be referring to the description among the embodiment illustrated in figures 1 and 2.
When the calling subscriber is positioned at non-IMS network, the call request that comprises the freephone prefix that the calling subscriber sends is sent to MGCF by non-IMS network, MGCF receives, and can to identify this call request after this call request be freephone, MGCF adds the freephone sign in the SIP conversation request message that sends to called AS thus, is freephone to inform this call request of called AS; Wherein, the freephone sign that MGCF adds in the SIP conversation request message can be added in the message header, also can be added in the message body.
Thus, called AS can receive the SIP conversation request message that comprises the freephone sign of caller AS or MGCF transmission.
Step 502, according to freephone sign, the called subscriber who is positioned at the IMS network is carried out freephone handles.
Called AS carries out freephone to the called subscriber and handles according to the sign of the freephone in the SIP conversation request message.
The embodiment of the invention, called AS receives the SIP conversation request message of having added the freephone sign, called thus AS can be according to this freephone sign, know that this SIP conversation request message is a freephone, then the called subscriber is carried out freephone and handle, thereby in the IMS network, realized freephone.
Fig. 6 is the signaling diagram of the present invention at the method embodiment six of IMS network realization freephone, and present embodiment is on basis embodiment illustrated in fig. 5, and as shown in Figure 6, this method comprises:
After step 601, the calling subscriber (UE-A) who the is positioned at non-IMS network request of making a call, press the existing network implementation and realize freephone, calling is routed to MGCF in the IMS network by PSTN.
The application scenarios of present embodiment can for: the calling subscriber is positioned at non-IMS network, and the called subscriber is positioned at the IMS network.
Step 602, MGCF analyze the call request that receives.
According to the logical place of the residing IMS network of called subscriber, MGCF can receive different call requests, and carries out different processing, is specifically as follows following two kinds of situations:
A, if the IMS network at called subscriber place is a charging office, MGCF receives the call request that includes the freephone prefix that non-IMS network sends, i.e. carry the freephone prefix before the called number of this call request; It is freephone that MGCF can judge this call request according to this freephone prefix.
B, if the IMS network at called subscriber place is the back office that charges, MGCF receives the forward direction deictic word that is used to indicate freephone that comprises that non-IMS network sends, promptly the M position among the Forward call indicators in the IAM message that receives of MGCF is 1; MGCF is that 1 can to judge this call request be freephone according to this M position.
Step 603, MGCF send the SIP conversation request message that comprises the freephone sign according to call request to called AS.
If the IMS network at called subscriber place is a charging office, MGCF deletes the freephone prefix, and carries the freephone sign in the SIP conversation request message that sends to called AS.
If the IMS network at called subscriber place carries the freephone sign for the back office that charges, MGCF in the SIP conversation request message that sends to called AS.
Step 604, called AS are sent to called subscriber (UE-B) with call request by CSCF according to the sign of the freephone in the SIP conversation request message, connect with the calling that continues between UE-A and the UE-B.
The embodiment of the invention, called AS receives the SIP conversation request message of having added the freephone sign, called thus AS can be according to this freephone sign, know that this SIP conversation request message is a freephone, then the called subscriber is carried out freephone and handle, thereby in the IMS network, realized freephone.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; Aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 7 is the schematic diagram of the present invention at the device embodiment one of IMS network realization freephone, and this device is contained in caller AS, and this device comprises: first receiver module 71 and first sending module 73.
First receiver module 71 is used to receive the call request that comprises the freephone prefix of the calling subscriber's transmission that is positioned at the IMS network.
First sending module 73 is used for sending the SIP conversation request message that comprises the freephone sign to called AS, handles so that described called AS carries out freephone according to described freephone sign to the called subscriber.
The workflow of each module and operation principle do not repeat them here referring to the description among above-mentioned each method embodiment in the present embodiment.
Fig. 8 is the schematic diagram of the present invention at the device embodiment two of IMS network realization freephone, and this device is contained in caller AS, and this device comprises: second receiver module 81 and second sending module 83.
Second receiver module 81 is used to receive the call request that comprises the freephone prefix of the calling subscriber's transmission that is positioned at the IMS network.
Second sending module 83 is used for according to described call request, sends the SIP conversation request message that comprises the freephone sign to MGCF, so that MGCF sends call request according to described freephone sign to non-IMS network.
The workflow of each module and operation principle do not repeat them here referring to the description among above-mentioned each method embodiment in the present embodiment.
Fig. 7-embodiment shown in Figure 8, the caller AS that comprises above-mentioned arbitrary device is when called AS or MGCF send the SIP conversation request message of freephone, in this SIP conversation request message, added the freephone sign, make called AS or MGCF according to this freephone sign, can know that this SIP conversation request message is a freephone, thereby in the IMS network, realize freephone.
Fig. 9 is the schematic diagram of the present invention at the device embodiment three of IMS network realization freephone, and this device is contained in MGCF, and this device comprises: the 3rd receiver module 91, the 3rd sending module 93 and the 4th sending module 95.
The 3rd receiver module 91 is used to receive the SIP conversation request message that comprises the freephone sign that caller AS sends.
The 3rd sending module 93 is used for then sending the call request that does not comprise described freephone sign to non-IMS network if the IMS network at calling subscriber place is office before chargeing.
The 4th sending module 95 is used for if the IMS network at calling subscriber place is a charging office, then sends the call request that comprises the forward direction deictic word that is used to indicate freephone to non-IMS network.
The workflow of each module and operation principle do not repeat them here referring to the description among above-mentioned each method embodiment in the present embodiment.
The embodiment of the invention, caller AS is when the MGCF that comprises said apparatus sends the SIP conversation request message of freephone, in this SIP conversation request message, added the freephone sign, make MGCF according to this freephone sign, can know that this SIP conversation request message is a freephone, send call request according to this freephone sign other networks then, thereby in the IMS network, realized freephone to the called subscriber place.
Figure 10 is the schematic diagram of the present invention at the device embodiment four of IMS network realization freephone, and this device is contained in called AS, and this device comprises: the 4th receiver module 1001 and processing module 1003.
The 4th receiver module 1001 is used to receive the SIP conversation request message that comprises the freephone sign of caller AS or MGCF transmission.
Processing module 1003 is used for the called subscriber who is positioned at the IMS network being carried out freephone handling according to the freephone sign.
The workflow of each module and operation principle do not repeat them here referring to the description among above-mentioned each method embodiment in the present embodiment.
Figure 11 is the schematic diagram of the present invention at the device embodiment five of IMS network realization freephone, and this device is contained in MGCF, and this device comprises: the 5th receiver module 1101 and the 5th sending module 1103.
The 5th receiver module 1101 is used to receive the call request that is used to indicate the forward direction deictic word of freephone or comprises the freephone prefix that comprises of non-IMS network transmission.
The 5th sending module 1103 is used for according to call request, sends the SIP conversation request message that comprises the freephone sign to called AS.
The workflow of each module and operation principle do not repeat them here referring to the description among above-mentioned each method embodiment in the present embodiment.
Figure 10-embodiment shown in Figure 11, the called AS that comprises device shown in Figure 10 receives the SIP conversation request message of having added the freephone sign, wherein, the freephone sign in this SIP conversation request message is to be added by the MGCF that comprises device shown in Figure 11; Called thus AS can know that this SIP conversation request message is a freephone according to this freephone sign, then the called subscriber is carried out freephone and handles, thereby realized freephone in the IMS network.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (13)

1. the method in IP Multimedia System IMS network realization freephone is characterized in that, comprising:
Reception is positioned at the call request that comprises the freephone prefix of calling subscriber's transmission of IMS network;
According to described call request, send the Session initiation protocol SIP conversation request message that comprises the freephone sign to called application server AS, so that carrying out freephone according to described freephone sign to the called subscriber, handles described called AS.
2. method according to claim 1 is characterized in that: message header or message body by described SIP conversation request message are carried described freephone sign.
3. the method in IP Multimedia System IMS network realization freephone is characterized in that, comprising:
Reception is positioned at the call request that comprises the freephone prefix of calling subscriber's transmission of IMS network;
According to described call request, send the SIP conversation request message that comprises the freephone sign to MGCF MGCF, so that described MGCF sends call request according to described freephone sign to non-IMS network.
4. method according to claim 3 is characterized in that: message header or message body by described SIP conversation request message are carried described freephone sign.
5. according to claim 3 or 4 described methods, it is characterized in that, also comprise:
If the IMS network at calling subscriber place is office before chargeing, described MGCF sends the call request that does not comprise described freephone sign to non-IMS network;
If the IMS network at calling subscriber place is a charging office, described MGCF sends the call request that comprises the forward direction deictic word that is used to indicate freephone to non-IMS network.
6. the method in IP Multimedia System IMS network realization freephone is characterized in that, comprising:
Receive the SIP conversation request message that comprises the freephone sign that caller application server AS or MGCF MGCF send;
According to described freephone sign, the called subscriber who is positioned at the IMS network is carried out freephone handle.
7. method according to claim 6 is characterized in that, also comprises before the SIP conversation request message that comprises the freephone sign that described reception MGCF sends:
Described MGCF receives the call request that is used to indicate the forward direction deictic word of freephone or comprises the freephone prefix that comprises of non-IMS network transmission;
Described MGCF sends the SIP conversation request message that comprises the freephone sign according to described call request.
8. according to claim 6 or 7 described methods, it is characterized in that: message header or message body by described SIP conversation request message are carried described freephone sign.
9. the device in IP Multimedia System IMS network realization freephone is contained in the caller application server AS, it is characterized in that described device comprises:
First receiver module is used to receive the call request that comprises the freephone prefix of the calling subscriber's transmission that is positioned at the IMS network;
First sending module is used for sending the SIP conversation request message that comprises the freephone sign to called AS, handles so that described called AS carries out freephone according to described freephone sign to the called subscriber.
10. the device in IP Multimedia System IMS network realization freephone is contained in the caller application server AS, it is characterized in that described device comprises:
Second receiver module is used to receive the call request that comprises the freephone prefix of the calling subscriber's transmission that is positioned at the IMS network;
Second sending module is used for according to described call request, sends the SIP conversation request message that comprises the freephone sign to MGCF MGCF, so that described MGCF sends call request according to described freephone sign to non-IMS network.
11. the device in IP Multimedia System IMS network realization freephone is contained in MGCF MGCF, it is characterized in that described device comprises:
The 3rd receiver module is used to receive the SIP conversation request message that comprises the freephone sign that caller AS sends;
The 3rd sending module is used for then sending the call request that does not comprise described freephone sign to non-IMS network if the IMS network at calling subscriber place is office before chargeing;
The 4th sending module is used for if the IMS network at calling subscriber place is a charging office, then sends the call request that comprises the forward direction deictic word that is used to indicate freephone to non-IMS network.
12. the device in IP Multimedia System IMS network realization freephone is contained in called application server AS, it is characterized in that described device comprises:
The 4th receiver module is used to receive the SIP conversation request message that comprises the freephone sign that caller AS or MGCF MGCF send;
Processing module is used for the called subscriber who is positioned at the IMS network being carried out freephone handling according to described freephone sign.
13. the device in IP Multimedia System IMS network realization freephone is contained in MGCF MGCF, it is characterized in that described device comprises:
The 5th receiver module is used to receive the call request that is used to indicate the forward direction deictic word of freephone or comprises the freephone prefix that comprises of non-IMS network transmission;
The 5th sending module is used for according to described call request, sends the SIP conversation request message that comprises the freephone sign to called application server AS.
CN2010106246825A 2010-12-31 2010-12-31 Method and device for realizing called party payment service in IP (internet protocol) multimedia sub-system (IMS) network Pending CN102045598A (en)

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PCT/CN2011/084390 WO2012089055A1 (en) 2010-12-31 2011-12-21 Method and device for realizing collect call service in ip multimedia subsystem network

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