CN102571819B - A kind of method and server realizing Multimedia Ring Back Tone service - Google Patents

A kind of method and server realizing Multimedia Ring Back Tone service Download PDF

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Publication number
CN102571819B
CN102571819B CN201210039466.3A CN201210039466A CN102571819B CN 102571819 B CN102571819 B CN 102571819B CN 201210039466 A CN201210039466 A CN 201210039466A CN 102571819 B CN102571819 B CN 102571819B
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China
Prior art keywords
crbt
called
service provided
calling
party
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Chinese (zh)
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CN102571819A (en
Inventor
吴凌燕
包渊
许国军
汪浩渝
柯善阳
王嗣琛
孙瑞囡
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201210039466.3A priority Critical patent/CN102571819B/en
Priority claimed from CN200810090251.8A external-priority patent/CN101340629B/en
Publication of CN102571819A publication Critical patent/CN102571819A/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/129—Details of providing call progress tones or announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42017—Customized ring-back tones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/16—Sequence circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42025—Calling or Called party identification service
    • H04M3/42034—Calling party identification service
    • H04M3/42059—Making use of the calling party identifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42025—Calling or Called party identification service
    • H04M3/42085—Called party identification service
    • H04M3/42102—Making use of the called party identifier

Abstract

Embodiments provide a kind of method realizing Multimedia Ring Back Tone service, comprising: the calling terminal request of making a call; Resolve the strategy of coloring ring back tone playing according to described call request, the strategy of described coloring ring back tone playing refers to the strategy of playing and calling CRBT or CRBT service provided to the called party, or filters the strategy of CRBT; Carry out CRBT service provided to the calling party media negotiation or CRBT service provided to the called party media negotiation according to described analysis result or do not carry out CRBT media negotiation; After receiving called terminal ringing signal, according to described media negotiation result to caller playing and calling CRBT or CRBT service provided to the called party or non-coloring ring back tone playing.By the technical scheme that the embodiment of the present invention provides, calling RBT service can be realized in IMS field, calling RBT service or called RBT service can be provided to calling subscriber according to the strategy decision of customization, CRBT filter traffic can also be realized simultaneously, achieve the independence of Consumer's Experience Ring Back Tone service.

Description

A kind of method and server realizing Multimedia Ring Back Tone service
Technical field
The present invention relates to the communications field, particularly a kind of mthods, systems and devices realizing Multimedia Ring Back Tone service.
Background technology
IP Multimedia System (IMS, IPMultimediaSubsystem) is the subsystem of the support IP multimedia service that third generation mobile communications partnership 3GPP proposes in Release5 release criteria.IMS uses session initiation protocol (SIP, SessionInitiationProtocol) Call-Control1 mechanism to create, manage and terminate various types of multimedia service.IMS provides the basis of integrated services, and based on IP technology, it supports speech, data and multimedia service and new application simultaneously.
IMS domain Ring Back Tone service is a kind of called service, when caller is made a call by IMS domain, and it is called when receiving calling, CRBT contracted user if called, and have subscribed relevant CRBT, then caller wait for the called ring-back tone heard when receiving calls will replace by the broadcasting of called the CRBT (as: audio frequency, video or other multimedia files) customized.
Accompanying drawing 1 is the called service flow chart of IMS domain CRBT:
IMS call request is initiated in step 101. caller;
The called CSCF server of step 102. (CSCF, Serving-CallSessionControlFunction) IMS calling is accepted, called CSCF judges calledly whether have subscribed Ring Back Tone service according to the called service profile that home signature user server (HSS, HomeSubscriberServer) is preserved;
If step 103. is called do not order Ring Back Tone service, then called CSCF is to called transmission IMS call signaling;
If step 104. is called have subscribed Ring Back Tone service, then call signaling is triggered to CRBT service provided to the called party application server (AS, ApplicationServer) by called CSCF;
Step 105. CRBT service provided to the called party AS starts to carry out the media negotiation between calling and called Media Resource Server (MRS, MediaResourceServer), and by CSCF to called transmission call signaling;
Step 106. CRBT service provided to the called party AS, when called terminal ringing, indicates called MRS to caller coloring ring back tone playing.
Above-mentioned business can realize playing IMS CRBT to caller, but the CRBT play is called subscriber to be customized, it embodies the personalized color of called subscriber, inventor finds the business of the ring-back tone of the embodiment calling subscriber personalized color not having calling subscriber to customize in the ims domain at present, more not when calling and called are multimedia color ring back tone user simultaneously time, be to calling subscriber's playing and calling CRBT or CRBT service provided to the called party scheme, in addition, also may wish to filter CRBT for calling subscriber.
Summary of the invention
In order to realize in the ims domain when calling and called are simultaneously for multimedia color ring back tone user, according to the scheme that user's setting is to calling subscriber's playing and calling CRBT or CRBT service provided to the called party, embodiments provide a kind of method realizing CRBT service provided to the calling party, comprising: the calling terminal request of making a call; Resolve the strategy of coloring ring back tone playing according to described call request, the strategy of described coloring ring back tone playing refers to the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT service provided to the calling party media negotiation or CRBT service provided to the called party media negotiation is carried out according to described analysis result; After receiving called terminal ringing signal, according to described media negotiation result to caller playing and calling CRBT or CRBT service provided to the called party.
The embodiment of the present invention further provides a kind of system realizing Ring Back Tone service, comprising: calling terminal, for the request of making a call; CRBT strategy dispensing unit, for arranging the strategy of coloring ring back tone playing, described strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT policy resolution unit, for resolving the strategy of described coloring ring back tone playing according to call request; Media Resource Server MRS, for carrying out CRBT media negotiation, to caller coloring ring back tone playing according to analysis result and caller.
The embodiment of the present invention further provides a kind of calling terminal, comprising: transmitting element, for sending call request; CRBT strategy dispensing unit, for arranging the strategy of coloring ring back tone playing, described strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT mark adding device, for adding CRBT service provided to the calling party mark or CRBT service provided to the called party mark in call request according to described strategy.
The embodiment of the present invention further provides a kind of calling terminal, comprising: transmitting element, for sending call request; CRBT strategy dispensing unit, for arranging the strategy of coloring ring back tone playing, described strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT policy resolution unit, for the strategy according to described coloring ring back tone playing, determines the early media negotiation carried out between caller and caller MRS or the early media negotiation carried out between calling and called MRS.
The embodiment of the present invention further provides a kind of CRBT application server, comprising: CRBT policy resolution unit, for resolving the strategy of described coloring ring back tone playing, triggers CRBT service provided to the calling party or CRBT service provided to the called party according to described strategy;
Media negotiation unit, for carrying out the media negotiation between Media Resource Server that caller and described strategy determine according to analysis result.
The embodiment of the present invention further provides a kind of CSCF server, comprise: authenticating unit, for the customization relation of the terminal iidentification preserved according to the terminal iidentification in call request and HSS and Ring Back Tone service, judge whether terminal use is color ring user; CRBT policy resolution unit, for resolving the strategy of the coloring ring back tone playing of carrying in call request, triggers CRBT service provided to the calling party application server or CRBT service provided to the called party application server according to described strategy by the call signaling of described color ring user.
The embodiment of the present invention further provides a kind of CRBT application server, it is characterized in that, comprising: CRBT strategy dispensing unit, and for arranging the strategy of coloring ring back tone playing, described strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; Media negotiation unit, for according to the media negotiation of resolving the result of described broadcast strategy and carrying out between caller that caller and described strategy determine or called Media Resource Server.
The embodiment of the present invention further provides a kind of CRBT application server, it is characterized in that, comprising: CRBT strategy dispensing unit, and for arranging the strategy of coloring ring back tone playing, described strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT policy resolution unit, for resolving the strategy of described coloring ring back tone playing, triggers CRBT service provided to the calling party or CRBT service provided to the called party according to analysis result; Media negotiation unit, for according to the media negotiation of resolving the result of described broadcast strategy and carrying out between caller that caller and described strategy determine or called Media Resource Server.
The embodiment of the present invention further provides a kind of method realizing multimedia color ring back tone and filter, and comprising: receive the call request that calling terminal is initiated; Judge whether to need to filter CRBT according to described call request; CRBT is filtered according to judged result.
The embodiment of the present invention further provides a kind of method realizing multimedia color ring back tone and filter, and comprising: the calling terminal request of making a call, receives the request of CRBT early media negotiation; Judge whether to need to filter CRBT according to the CRBT filtering policy stored; According to judged result refusal CRBT media negotiation, or refusal coloring ring back tone playing, or refusal opens media channel.
The embodiment of the present invention further provides a kind of server, comprising: receiving element, for receiving the call request that calling terminal is initiated; Judging unit, needs to filter CRBT for judging whether according to described call request; Filter element, filters CRBT according to judged result.
The embodiment of the present invention further provides a kind of terminal, comprising: Transmit-Receive Unit, for the request of making a call, receives the request of CRBT early media negotiation; Policy unit, for storing CRBT filtering policy; Filter element, needs to filter CRBT for judging whether according to the CRBT filtering policy stored, according to judged result refusal CRBT media negotiation, or refusal coloring ring back tone playing, or refusal opens media channel.
The embodiment of the present invention further provides a kind of method realizing Multimedia Ring Back Tone service, comprising: receive the call request that calling terminal is initiated; Call request is sent to called, and receives the called call message returned; According to the strategy of coloring ring back tone playing and described call message to calling terminal playing and calling CRBT or CRBT service provided to the called party.
The embodiment of the present invention further provides a kind of CRBT application server, comprising: Transmit-Receive Unit, for receiving the call request that calling terminal is initiated, call request being sent to called, and receiving the called call message returned; Policy unit, for preserving the strategy of coloring ring back tone playing; Broadcast unit, user according to the strategy of coloring ring back tone playing and described call message to calling terminal playing and calling CRBT or CRBT service provided to the called party.
The technical scheme that the embodiment of the present invention provides, calling RBT service can be realized in IMS field, when caller and called subscriber are multimedia color ring back tone user, calling RBT service or called RBT service can be provided according to the strategy decision of customization to calling subscriber.
Accompanying drawing explanation
Fig. 1 is the called service flow chart of IMS domain CRBT in prior art;
A kind of system realizing Multimedia Ring Back Tone service that Fig. 2 provides for embodiment of the present invention B1;
A kind of calling terminal that Fig. 3 provides for embodiment of the present invention B2;
A kind of CRBT application server that Fig. 4 provides for embodiment of the present invention B3;
A kind of CSCF server that Fig. 5 provides for embodiment of the present invention B4;
A kind of CRBT application server that Fig. 6 provides for embodiment of the present invention B5;
A kind of CRBT application server that Fig. 7 provides for embodiment of the present invention B6;
A kind of calling terminal that Fig. 8 provides for embodiment of the present invention B7;
A kind of method realizing IMS Ring Back Tone service that Fig. 9 provides for embodiment of the present invention C0;
A kind of method realizing IMS Ring Back Tone service that Figure 10 provides for embodiment of the present invention C1;
A kind of method realizing IMS Ring Back Tone service that Figure 11 provides for embodiment of the present invention C2;
A kind of method realizing IMS Ring Back Tone service that Figure 12 provides for embodiment of the present invention C3;
A kind of method realizing IMS Ring Back Tone service that Figure 13 provides for embodiment of the present invention C4;
A kind of method realizing IMS Ring Back Tone service that Figure 14 provides for embodiment of the present invention C5;
A kind of method realizing IMS Ring Back Tone service that Figure 15 provides for embodiment of the present invention C6;
A kind of method realizing IMS Ring Back Tone service that Figure 16 provides for embodiment of the present invention C7;
A kind of method realizing IMS Ring Back Tone service that Figure 17 provides for embodiment of the present invention C8;
A kind of method realizing IMS Ring Back Tone service that Figure 18 provides for embodiment of the present invention C9;
A kind of method realizing IMS Ring Back Tone service that Figure 19 provides for embodiment of the present invention C10;
A kind of method realizing IMS Ring Back Tone service that Figure 20 provides for embodiment of the present invention C11;
A kind of method realizing IMS Ring Back Tone service and filter that Figure 21 provides for embodiment of the present invention C12;
A kind of method realizing IMS Ring Back Tone service and filter that Figure 22 provides for embodiment of the present invention C13;
A kind of method realizing IMS Ring Back Tone service and filter that Figure 23 provides for embodiment of the present invention C14;
A kind of server that Figure 24 provides for the embodiment of the present invention;
A kind of terminal that Figure 25 provides for the embodiment of the present invention;
A kind of color ring selecting method flow chart that Figure 26 provides for the embodiment of the present invention;
The another kind of color ring selecting method flow chart that Figure 27 provides for the embodiment of the present invention;
The another kind of color ring selecting method flow chart that Figure 28 provides for the embodiment of the present invention;
A kind of CRBT AS structural representation that Figure 29 provides for the embodiment of the present invention.
Embodiment
See Fig. 2, embodiment of the present invention B1 provides a kind of system realizing Multimedia Ring Back Tone service, comprise: calling terminal 101, CSCF server CSCF102, CRBT application server AS 104, Media Resource Server MRS105, terminal called 103, CRBT strategy dispensing unit 106, CRBT policy resolution unit 107, wherein, calling terminal 101, for the request of making a call; CSCF server CSCF102, for sending to CRBT application server AS 104 by call request; CRBT application server AS 104, for carrying out the media negotiation between caller and Media Resource Server MRS; CRBT strategy dispensing unit 106, for arranging the strategy of coloring ring back tone playing, described strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party; CRBT policy resolution unit 107, for resolving the strategy of described coloring ring back tone playing, Media Resource Server MRS105, for carrying out CRBT media negotiation according to analysis result and caller, to caller coloring ring back tone playing, in Fig. 2, CRBT strategy dispensing unit 106 is arranged in calling terminal 101, and CRBT policy resolution unit 107 is arranged on CRBT AS104.
Broadly, CRBT strategy dispensing unit 106 can be arranged in calling terminal 101, and CRBT policy resolution unit 107 can be arranged in CRBT AS104, also can be arranged in CSCF102, also can be arranged in calling terminal 101; If CRBT AS104 is divided into CRBT service provided to the calling party AS1041 and CRBT service provided to the called party AS1042, then CRBT policy resolution unit 107 is arranged in CRBT service provided to the calling party AS1041 and CRBT service provided to the called party AS1042 simultaneously; If CSCF102 is divided into caller CSCF1021 and called CSCF1022, then CRBT policy resolution unit 107 is arranged in caller CSCF1021 and called CSCF1022 simultaneously.
CRBT strategy dispensing unit 106 can also be arranged in the entity (network address book as CRBT management system, user) that CRBT service provided to the calling party AS1041 or CRBT service provided to the calling party AS can access, CRBT policy resolution unit 107 can be arranged in CRBT service provided to the called party AS1042, or in called CSCF1022, or in CRBT service provided to the calling party AS1041.
See Fig. 3, embodiment of the present invention B2 provides a kind of calling terminal, comprise: CRBT strategy dispensing unit 201, CRBT mark adding device 202, transmitting element 203, wherein, transmitting element 203, for sending call request, CRBT strategy dispensing unit 201, for arranging the strategy of coloring ring back tone playing, strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party, CRBT mark adding device 202, for adding CRBT service provided to the calling party mark or CRBT service provided to the called party mark in call request according to broadcast strategy.
See Fig. 4, embodiment of the present invention B3 provides a kind of CRBT application server, comprise CRBT policy resolution unit 301 and media negotiation unit 302, wherein, CRBT policy resolution unit 301, for resolving the strategy of described coloring ring back tone playing, triggers CRBT service provided to the calling party or CRBT service provided to the called party according to broadcast strategy, negotiation element 302, for carrying out the media negotiation between Media Resource Server that caller and described strategy determine according to analysis result.
See Fig. 5, embodiment of the present invention B4 provides a kind of CSCF server, comprise: authenticating unit 401 and CRBT policy resolution unit 402, wherein, authenticating unit 401, for the customization relation of the terminal iidentification preserved according to the terminal iidentification in call request and HSS and Ring Back Tone service, judge whether terminal use is color ring user, CRBT policy resolution unit 402, for resolving the strategy of the coloring ring back tone playing of carrying in call request, according to broadcast strategy, the call signaling of color ring user is triggered CRBT service provided to the calling party application server or CRBT service provided to the called party application server.
See Fig. 6, embodiment of the present invention B5 provides a kind of CRBT application server, comprise: CRBT strategy dispensing unit 501 and media negotiation unit 502, wherein, CRBT strategy dispensing unit 501, for arranging the strategy of coloring ring back tone playing, broadcast strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party, media negotiation element 502, for according to the media negotiation of resolving the result of described broadcast strategy and carrying out between caller that caller and broadcast strategy determine or called Media Resource Server.
See Fig. 7, a kind of CRBT application server that embodiment of the present invention B6 provides, comprise: CRBT strategy dispensing unit 601, CRBT policy resolution unit 602 and media negotiation unit 603, wherein, CRBT strategy dispensing unit 601, for arranging the strategy of coloring ring back tone playing, broadcast strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party, CRBT policy resolution unit 602, for resolving the strategy of described coloring ring back tone playing, CRBT service provided to the calling party or CRBT service provided to the called party is triggered according to analysis result, media negotiation unit 603, for according to the media negotiation of resolving the result of described broadcast strategy and carrying out between caller that caller and described strategy determine or called Media Resource Server.
If CRBT application server is divided into CRBT service provided to the calling party application server and CRBT service provided to the called party application server, then CRBT strategy dispensing unit 601 is positioned at CRBT service provided to the calling party application server, and CRBT policy resolution unit 602 is positioned at CRBT service provided to the calling party application server or CRBT service provided to the called party application server.
See Fig. 8, embodiment of the present invention B7 provides a kind of calling terminal, comprise: transmitting element 701, CRBT strategy dispensing unit 702, CRBT policy resolution unit 703, wherein, transmitting element 701, for sending call request, CRBT strategy dispensing unit 702, for arranging the strategy of coloring ring back tone playing, described strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party, CRBT policy resolution unit 703, for the strategy according to described coloring ring back tone playing, determine the early media negotiation carried out between caller and caller MRS or the early media negotiation carried out between calling and called MRS.
In the invention described above Embodiment B 1 ~ B7, caller CSCF and called CSCF can be same CSCF, also can be different CSCF, CRBT service provided to the calling party AS and CRBT service provided to the called party AS can be same CRBT AS, also can be different CRBT AS, CRBT service provided to the calling party management system and CRBT service provided to the called party management system can be same CRBT management system, also can be different CRBT management systems.Caller MRS and called MRS can be same MRS, also can be different MRS.
See Fig. 9, embodiment of the present invention C0 provides a kind of method realizing Multimedia Ring Back Tone service, comprising:
The request of making a call of step 0001. calling terminal;
Step 0002. resolves the strategy of coloring ring back tone playing according to call request, and the strategy of this coloring ring back tone playing refers to the strategy of playing and calling CRBT or CRBT service provided to the called party or filters the strategy of CRBT;
Step 0003. is carried out CRBT service provided to the calling party media negotiation or CRBT service provided to the called party media negotiation according to analysis result or is not carried out CRBT media negotiation;
After step 0004. receives called terminal ringing signal, according to media negotiation result to caller playing and calling CRBT or CRBT service provided to the called party or non-coloring ring back tone playing.
Need the strategy pre-setting coloring ring back tone playing before operationally stating step, can arrange, can arrange in calling terminal in CRBT service provided to the calling party AS, the strategy wherein filtering CRBT can also filter in AS at CRBT and arrange.
Embodiment of the present invention C1 ~ C6 provides the method realizing Multimedia Ring Back Tone service of the strategy arranging coloring ring back tone playing in CRBT service provided to the calling party AS.
Embodiment of the present invention C7 ~ Embodiment C 11 provides the method realizing Multimedia Ring Back Tone service of the strategy arranging coloring ring back tone playing in calling terminal.
The strategy of coloring ring back tone playing is set in CRBT service provided to the calling party AS, set-up mode can need customization according to client, the CRBT of all playing and calling orders in any case can be set, namely the priority ratio CRBT service provided to the called party of CRBT service provided to the calling party is high, also can arrange and meet certain condition playing and calling CRBT, meet certain condition and play CRBT service provided to the called party, the broadcasting condition that simultaneously can also arrange different CRBT service provided to the calling party corresponding plays different CRBT service provided to the calling parties as the difference according to called difference, time period.
Following table plays different CRBT according to called difference, for being set to CRBT service provided to the calling party except B, C, D, E, F, G are called, arranges simple examples as follows:
User in table 1. CRBT service provided to the calling party AS arranges table
Above-mentioned CRBT mark and CRBT are numbered in the entity (as CRBT service provided to the calling party management system) that corresponding relation can be arranged in CRBT service provided to the calling party AS simultaneously or CRBT service provided to the calling party AS can access between different condition, also CRBT mark and number-mark can be arranged respectively, by the correspondence setting between CRBT mark and different condition in CRBT service provided to the calling party AS, by the correspondence setting between CRBT numbering and the condition of correspondence in CRBT management system.Embodiment of the present invention C1 ~ C6 adopts the setting in table 1.
CRBT mark can increase SIP head territory newly or expand a certain header field value or expand SDP to carry this identification information, specifically can arrange this mark in Contact header field, as increased " caller-tone " in the schemes value of Contact.
The signaling process that embodiment of the present invention C1 and embodiment of the present invention C2 provides " arrange at CRBT service provided to the calling party AS and indicate the mark of triggering CRBT service provided to the calling party or CRBT service provided to the called party, resolve this mark at CRBT service provided to the called party AS ", to adopt early media negotiation.Wherein involved caller A, called B, called H are multimedia color ring back tone user.
See Figure 10, in embodiment of the present invention C1, caller A initiates IMS calling to called B, final playing and calling CRBT 1, and concrete signaling process is as follows:
Step 0101, caller send INVITE signaling, carry calling terminal identification, terminal called mark and caller for setting up the normal media SDP (offer1) of calling in INVITE signaling;
The customization relation of the calling terminal identification that caller CSCF preserves according to the calling terminal identification of carrying in INVITE signaling and HSS and Multimedia Ring Back Tone service, judges that caller is multimedia color ring back tone user, call request is sent to CRBT service provided to the calling party AS;
Step 0102, CRBT service provided to the calling party AS are arranged and the terminal iidentification of called B according to user, find CRBT corresponding to called B to be designated " CRBT service provided to the calling party mark (caller-tone) ", CRBT is numbered " CRBT 1 is numbered ", judge the playing and calling CRBT 1 when caller A calls out called B, " caller-tone " is added in INVITE signaling, follow-up also can triggered step 0109;
Step 0103, CRBT service provided to the calling party AS by INVITE signaling via caller CSCF to called CSCF, the terminal called that called CSCF preserves according to the terminal called mark of carrying in INVITE signaling and HSS identifies the customization relation with Multimedia Ring Back Tone service, judge that called is multimedia color ring back tone user, then INVITE signaling is sent to CRBT service provided to the called party AS, now in INVITE signaling, carry calling terminal identification, terminal called mark, offer1 and caller-tone;
Step 0104 ~ step 0105, CRBT service provided to the called party AS judge not play CRBT service provided to the called party according to " caller-tone " in INVITE signaling, and INVITE signaling is sent to terminal called by called CSCF;
Step 0106 ~ step 0107, terminal called carry out normal media negotiation according to self-ability, by called CSCF, Temporary Response message is sent to CRBT service provided to the called party AS, carry the normal media SDP (answer1) after calling and called negotiation in signaling, this response message can be 183 signalings;
Response message in this embodiment of the present invention and embodiment of the present invention C2 ~ embodiment of the present invention C11 is all with 183 denoting signalings;
Temporary Response message is sent to CRBT service provided to the calling party AS via called CSCF, caller CSCF by step 0108, CRBT service provided to the called party AS;
Step 0109, because judged to need playing and calling CRBT 1 in step 0102, CRBT service provided to the calling party AS has obtained the Early media SDP (offer2) of caller MRS, for carrying out the CRBT early media negotiation between caller and caller MRS;
183 signalings are sent to calling terminal via caller CSCF by step 0110, CRBT service provided to the calling party AS, carry answer1 and offer2 in signaling;
Step 0111 ~ step 0112, calling terminal carry out early media negotiation according to self-ability, by caller CSCF, interim reliable response Prack signaling is sent to CRBT service provided to the calling party AS, in signaling, carry the CRBT Early media SDP (answer2) after negotiation;
CRBT Early media SDP (answer2) after negotiation is sent to caller MRS by step 0113, CRBT service provided to the calling party AS;
Prack signaling is sent to terminal called by step 0114 ~ step 0115, CRBT service provided to the calling party AS;
Step 0116 ~ step 0118, terminal called reply response to calling terminal;
Step 0119 ~ step 0121, dialed terminal bell, send bell signal 180 to calling terminal;
After step 0122, CRBT service provided to the calling party AS receive bell signal 180, instruction caller MRS is to caller playing and calling CRBT 1;
Step 0123 ~ step 0125, called off-hook, terminal called sends off hook signal 200 to calling terminal and responds;
After step 0126, CRBT service provided to the calling party AS receive off hook signal 200, instruction caller MRS terminates playback;
There is not specific sequencing between above-mentioned steps, between the step in Embodiment C 2 ~ C11, there is not sequencing yet.
Normal media SDP (answer1) in above-described embodiment C1 after calling and called negotiation sends to caller by Temporary Response information 183 signaling, also can pass through 200 in step 0123 ~ step 0125 (INVITE) and send to caller.
The calling terminal identification of preserving according to the calling terminal identification of carrying in INVITE signaling and HSS in step 0101 in above-described embodiment C1 and step 0103 and the customization relation of Multimedia Ring Back Tone service, judge that caller or the called step for multimedia color ring back tone user are performed by caller CSCF or called CSCF, also also can be performed by CRBT AS by the associated authentication step in CRBT service provided to the calling party AS and CRBT service provided to the called party AS, following examples C2 ~ Embodiment C 11.
See Figure 11, embodiment of the present invention C2 gives caller A and initiates IMS calling to called H, and finally play CRBT service provided to the called party, concrete signaling process is as follows:
Step 0201, with step 0101;
Step 0202, CRBT service provided to the calling party AS are arranged and the terminal iidentification of called H according to user, find CRBT corresponding to called H to be designated " CRBT service provided to the called party mark (callee-tone) ", judge to play CRBT service provided to the called party when caller A calls out called B, " callee-tone " is added in INVITE signaling;
Step 0203, CRBT service provided to the calling party AS by INVITE signaling via caller CSCF to called CSCF, the terminal called that called CSCF preserves according to the terminal called mark of carrying in INVITE signaling and HSS identifies the customization relation with Multimedia Ring Back Tone service, judge that called is multimedia color ring back tone user, then INVITE signaling being sent to CRBT service provided to the called party AS, now carrying calling terminal identification, terminal called mark, caller in INVITE signaling for setting up normal media SDP (offer1) and " callee-tone " of calling;
Step 0204 ~ step 0205, CRBT service provided to the called party AS judge to play CRBT service provided to the called party according to " callee-tone " in INVITE signaling, and INVITE signaling is sent to terminal called by called CSCF;
Step 0206 ~ step 0207, with step 0106 ~ step 0107;
Step 0208, because having judged to need in step 0202 plays CRBT service provided to the called party, CRBT service provided to the called party AS obtains the Early media SDP (offer2) of called MRS;
183 signalings are sent to calling terminal via called CSCF, caller CSCF, CRBT service provided to the calling party AS by step 0209 ~ step 0210, CRBT service provided to the called party AS, and wherein 183 signalings carry the normal media SDP (answer1) after negotiation and offer2;
Step 0211, calling terminal carry out CRBT early media negotiation according to self-ability;
Interim reliable response Prack signaling is sent to CRBT service provided to the called party AS via caller CSCF, called CSCF by step 0212 ~ step 0213, calling terminal, carries the CRBT Early media SDP (answer2) after negotiation in signaling;
CRBT Early media SDP (answer2) after negotiation is sent to called MRS by step 0214, CRBT service provided to the called party AS;
Prack signaling is sent to terminal called by step 0215, CRBT service provided to the called party AS;
Step 0216 ~ step 0221, with step 0116 ~ 0121;
After step 0222, CRBT service provided to the called party AS receive bell signal 180, the called MRS of instruction is to calling audio playback;
Step 0223 ~ step 0225, with step 0123 ~ step 0125;
After step 0226, CRBT service provided to the called party AS receive off hook signal 200, the called MRS of instruction terminates playback;
Called H in embodiment of the present invention C2 is multimedia color ring back tone user, if called H does not order Multimedia Ring Back Tone service, then can have two kinds of processing modes:
Processing mode one: play traditional ringback sound to caller.
Processing mode two: playing and calling CRBT, the embodiment shown in concrete processing mode with Figure 26,27,28 is identical.
The signaling process that embodiment of the present invention C3 and embodiment of the present invention C4 provides " arrange at CRBT service provided to the calling party AS and indicate the mark of triggering CRBT service provided to the calling party or CRBT service provided to the called party, resolve this mark at called CSCF ", to adopt early media negotiation.Wherein involved caller A, called C, called J are multimedia color ring back tone user.
See Figure 12, embodiment of the present invention C3 gives caller A and initiates IMS calling to called D, final playing and calling CRBT, and concrete signaling process is as follows:
Step 0301 ~ step 0302, with step 0101 ~ step 0102, because in step 0302, CRBT service provided to the calling party AS is according to " callertone " mark in INVITE signaling, subsequent triggers step 0309: CRBT service provided to the calling party AS obtains the Early media SDP (offer2) of caller MRS;
Step 0303 ~ step 0304, CRBT service provided to the calling party AS by INVITE signaling via caller CSCF to called CSCF, the terminal called that called CSCF preserves according to the terminal called mark of carrying in INVITE signaling and HSS identifies the customization relation with Multimedia Ring Back Tone service, judge that called is multimedia color ring back tone user, called CSCF judges not play CRBT service provided to the called party according to " caller-tone " in INVITE signaling
INVITE signaling is directly sent to terminal called by step 0305, called CSCF, now carries calling terminal identification, terminal called mark, offer1 and caller-tone in INVITE signaling;
Step 0306 ~ step 0326, with step 0106 ~ step 0126.
See Figure 13, embodiment of the present invention C4 gives caller A and initiates IMS calling to called I, and finally play CRBT service provided to the called party, concrete signaling process is as follows:
Step 0401 ~ step 0403, with step 0201 ~ step 0203;
Step 0404, called CSCF judge to play CRBT service provided to the called party according to " callee-tone " in INVITE signaling;
INVITE signaling is sent to CRBT service provided to the called party AS by step 0405, called CSCF, now carry calling terminal identification, terminal called mark, offer1 and callee-tone, CRBT service provided to the called party AS in INVITE signaling according to mark " callee-tone " subsequent triggers step 0409: the Early media SDP (offer2) obtaining called MRS;
Step 0406 ~ step 0432, with step 0205 ~ step 0226.
The signaling process that embodiment of the present invention C5 and embodiment of the present invention C6 provides " arrange at CRBT service provided to the calling party AS and indicate the mark of triggering CRBT service provided to the calling party or CRBT service provided to the called party, resolve this mark by CRBT service provided to the calling party AS ", to adopt early media negotiation.Wherein involved caller A, called D, called K are multimedia color ring back tone user.
See Figure 14, embodiment of the present invention C5 gives caller A and initiates IMS calling to called D, the flow process of final playing and calling CRBT, and signaling process is as follows:
Step 0501, with step 0101
Step 0502, CRBT service provided to the calling party AS are arranged and the terminal iidentification of called D according to user, and find corresponding CRBT and be designated " callertone ", CRBT is numbered " CRBT 1 is numbered ", judges the playing and calling CRBT 1 when caller A calls out called D;
Step 0503, CRBT service provided to the calling party AS by INVITE signaling via caller CSCF to called CSCF, the terminal called that called CSCF preserves according to the terminal called mark of carrying in INVITE signaling and HSS identifies the customization relation with Multimedia Ring Back Tone service, judge that called D is multimedia color ring back tone user, then INVITE signaling is sent to CRBT service provided to the called party AS;
Step 0504, CRBT service provided to the called party AS obtain the Early media SDP (offer2) of called MRS;
INVITE signaling is sent to terminal called by called CSCF by step 0505, CRBT service provided to the called party AS, now carries calling terminal identification, terminal called mark and caller in INVITE signaling for setting up the normal media SDP (offer1) of calling;
Step 0506 ~ step 0507, terminal called carry out normal media negotiation according to self-ability, by called CSCF, 183 signalings are sent to CRBT service provided to the called party AS, carry the normal media SDP (answer1) after calling and called negotiation in signaling;
183 signalings are sent to CRBT service provided to the calling party AS via called CSCF, caller CSCF by step 0508, CRBT service provided to the called party AS, carry the Early media SDP (offer2) of the normal media SDP (answer1) after calling and called negotiation and called MRS in 183 signalings;
Can add service identification in offer2 or arrange corresponding medium property mark, show that this is the SDP for called RBT service, extended by m rows can describe medium type for " CRBT service provided to the called party ", example is as follows:
m＝application2456TCPcallee-tone
Step 0509, CRBT service provided to the calling party AS obtain the Early media SDP (offer3) of caller MRS, for carrying out the CRBT early media negotiation between caller and caller MRS;
The Early media SDP (offer2) of the called MRS in 183 signalings is replaced with the Early media SDP (offer3) of caller MRS by step 0510, CRBT service provided to the calling party AS, via caller CSCF, 183 signalings are sent to calling terminal, in signaling, carry the Early media SDP (offfer3) of the normal media SDP (answer1) after negotiation and caller MRS;
Step 0511 ~ step 0512, calling terminal carry out early media negotiation according to self-ability, by caller CSCF, interim reliable response Prack signaling is sent to CRBT service provided to the calling party AS, in signaling, carry the CRBT Early media SDP (answer3) after negotiation;
CRBT Early media SDP (answer3) after negotiation is sent to caller MRS by step 0513, CRBT service provided to the calling party AS;
The media negotiation between called MRS is carried out in step 0514 ~ step 0515, CRBT service provided to the calling party AS replacement caller, can be set to 0 by calling terminal port in answer2, or is represent " sendonly " that only send not receiving media stream by media direction attribute modification;
Step 0516 ~ step 0527, with step 0115 ~ step 0126.
See Figure 15, embodiment of the present invention C6 gives caller A and initiates IMS calling to called K, the final flow process playing CRBT service provided to the called party, and concrete signaling process is as follows:
Step 0601, with step 0101;
Step 0602, CRBT service provided to the calling party AS are arranged and the terminal iidentification of called K according to user, find corresponding CRBT and are designated " calleetone ", judge the broadcasting CRBT service provided to the called party when caller A calls out called K;
Step 0603 ~ step 0608, with step 0503 ~ step 0508
183 signalings are sent to calling terminal via caller CSCF by step 0609, CRBT service provided to the calling party AS, carry the Early media SDP (offer2) of the normal media SDP (answer1) after negotiation and called MRS in signaling;
Step 0610, calling terminal carry out early media negotiation according to self-ability;
Step 0611 ~ step 0625, with step 0212 ~ step 0225.
Embodiment of the present invention C7 ~ embodiment of the present invention C11 provides the CRBT arranging in calling terminal A and listen to and meet and impose a condition, set-up mode can need customization according to client, the CRBT of all playing and calling orders in any case can be set, namely the priority ratio CRBT service provided to the called party of CRBT service provided to the calling party is high, also can arrange meet certain condition playing and calling CRBT, meet certain condition play CRBT service provided to the called party.
Following table arranges, and is play different CRBT according to called difference, arranges simple examples as follows:
Condition CRBT identifies
Called is b, c, d caller tone
Other are called callee tone
User in table 2. calling terminal arranges table
CRBT mark can increase SIP head territory newly or expand a certain header field value or expand SDP to carry this identification information, specifically can arrange this mark in Contact header field, as increased " caller-tone " in the schemes value of Contact.
Caller A, called b involved in embodiment of the present invention C7, embodiment of the present invention C8, called e are multimedia color ring back tone user, " calling terminal arranges the mark that instruction triggers CRBT service provided to the calling party or CRBT service provided to the called party in call request, resolves the mark in call request by CRBT service provided to the calling party AS and CRBT service provided to the called party AS ".
See Figure 16, embodiment of the present invention C7 provides caller A and initiates IMS calling to called b, the flow process of final playing and calling CRBT, and concrete signaling process is as follows:
Step 0701, caller are arranged and the terminal iidentification of called b according to user, find CRBT corresponding to called b and are designated " callertone ", judge the playing and calling CRBT when caller A calls out called b, be added in INVITE signaling by " callertone ";
INVITE signaling is sent to caller CSCF by step 0702, caller, the customization relation of the calling terminal identification that caller CSCF preserves according to the calling terminal identification in INVITE signaling and HSS and multimedia service, judge that caller A is multimedia color ring back tone user, so INVITE signaling is sent to CRBT service provided to the calling party AS by caller CSCF, carry calling terminal identification, terminal called mark, caller in INVITE signaling for setting up normal media SDP (offer1) and " callertone " of calling;
Step 0703, CRBT service provided to the calling party AS judge playing and calling CRBT according to " callertone " in INVITE signaling, so trigger CRBT service provided to the calling party flow process, namely initiate step 0710: CRBT service provided to the calling party AS obtains the Early media SDP (offer2) of MRS;
INVITE signaling is sent to caller CSCF, called CSCF by step 0704, CRBT service provided to the calling party AS, the terminal called that called CSCF preserves according to the terminal called mark in INVITE signaling and HSS identifies the customization relation with multimedia service, judge that called is multimedia color ring back tone user, so INVITE signaling is sent to CRBT service provided to the called party AS by called CSCF;
Step 0705, CRBT service provided to the called party AS judge playing and calling CRBT according to " callertone " in INVITE signaling, so do not trigger CRBT service provided to the called party flow process;
Step 0706 ~ step 0727, with step 0105 ~ step 0126.
If called in the invention described above embodiment is b ', and b ' is non-multimedia color ring user, signaling process as above, difference is: the terminal called that called CSCF preserves according to the terminal called mark in INVITE signaling and HSS in step 0704 identifies the customization relation with multimedia service, judge that called b ' is for non-multimedia color ring user, so INVITE signaling directly sends to called by called CSCF; So there is no step 0705 yet, all the other steps are as embodiment of the present invention C7, if namely called is non-multimedia color ring user, then arrange and resolve to " calling terminal arranges the mark that instruction triggers CRBT service provided to the calling party or CRBT service provided to the called party in call request, resolves the mark in call request by CRBT service provided to the calling party AS ".
See Figure 17, embodiment of the present invention C8 provides caller A and initiates IMS calling to called e, the final flow process playing CRBT service provided to the called party, and concrete signaling process is as follows:
Step 0801, caller are arranged and the terminal iidentification of called b according to user, find CRBT corresponding to called b and are designated " calleetone ", judge the broadcasting CRBT service provided to the called party when caller A calls out called b, are added in INVITE signaling by " calleetone ";
INVITE signaling is sent to caller CSCF by step 0802, caller, the customization relation of the calling terminal identification that caller CSCF preserves according to the calling terminal identification in INVITE signaling and HSS and multimedia service, judge that caller A is multimedia color ring back tone user, so INVITE signaling is sent to CRBT service provided to the calling party AS by caller CSCF, carry calling terminal identification, terminal called mark, caller in INVITE signaling for setting up normal media SDP (offer1) and " calleetone " of calling;
Step 0803, CRBT service provided to the calling party AS judge to play CRBT service provided to the called party, so do not trigger CRBT service provided to the calling party flow process according to " calleetone " in INVITE signaling;
Step 0804, with step 0704;
Step 0805, CRBT service provided to the called party AS judge to play CRBT service provided to the called party according to " calleetone " in INVITE signaling, so trigger CRBT service provided to the called party flow process, namely initiate step 0809: CRBT service provided to the called party AS obtains the Early media SDP (offer2) of called MRS;
Step 0806 ~ step 0827, with step 0805 ~ step 0826.
Caller A, called c involved in embodiment of the present invention C9, embodiment of the present invention C10, called f are multimedia color ring back tone user, " calling terminal arranges the mark that instruction triggers CRBT service provided to the calling party or CRBT service provided to the called party in call request, resolves the mark in call request by caller CSCF and called CSCF ".
See Figure 18, embodiment of the present invention C9 provides caller A and initiates IMS calling to called c, the flow process of final playing and calling CRBT, and concrete signaling process is as follows:
Step 0901, with step 0701;
Step 0902, caller INVITE signaling are sent to caller CSCF, carry calling terminal identification, terminal called mark, caller for setting up normal media SDP (offer1) and " callertone " of calling in INVITE signaling;
Step 0903 ~ step 0904, caller CSCF are according to the customization relation of the calling terminal identification and Multimedia Ring Back Tone service of carrying calling terminal identification and HSS preservation in INVITE signaling, judge that caller is multimedia color ring back tone user, and judge playing and calling CRBT according to " callertone " in INVITE signaling, so INVITE signaling is triggered to CRBT service provided to the calling party AS, follow-up just 0911: the CRBT service provided to the calling party AS Early media SDP (offer2) obtaining MRS in steps;
INVITE signaling is sent to called CSCF via caller CSCF by step 0905, CRBT service provided to the calling party AS;
Step 0906 ~ step 0907, called CSCF judge playing and calling CRBT according to " callertone " in INVITE signaling, so be directly sent to called by INVITE signaling;
Step 0908 ~ step 0933, with step 0106 ~ step 0126.
See Figure 19, embodiment of the present invention C10 provides and gives caller A to called f initiation IMS calling, the final flow process playing CRBT service provided to the called party, and concrete signaling process is as follows:
Step 1001, with step 0801;
Step 1002 ~ step 1004, caller INVITE signaling are sent to caller CSCF, calling terminal identification, terminal called mark, caller is carried for setting up normal media SDP (offer1) and " calleetone " of calling in INVITE signaling, caller CSCF judges to play CRBT service provided to the called party, so directly INVITE signaling is sent to called CSCF according to " calleetone " in INVITE signaling;
Step 1005, called CSCF are according to the customization relation of the terminal called mark and Multimedia Ring Back Tone service of carrying terminal called mark and HSS preservation in INVITE signaling, judge called as multimedia color ring back tone user, and judge to play CRBT service provided to the called party according to " calleetone " in INVITE signaling, so INVITE signaling is triggered to CRBT service provided to the called party AS, the follow-up Early media SDP (offer2) just having CRBT service provided to the called party AS to obtain called MRS;
Step 1006 ~ step 1033, with step 0205 ~ step 0226.
Caller A, called d involved in embodiment of the present invention C11 are multimedia color ring back tone user, the strategy triggering CRBT service provided to the calling party or CRBT service provided to the called party is set at calling terminal, resolves this strategy decision by calling terminal and carry out caller early media negotiation or called early media negotiation.
See Figure 20, embodiment of the present invention C11 provides caller A and initiates IMS calling to called d, the flow process of final playing and calling CRBT, and concrete signaling process is as follows:
Step 1101, caller send INVITE signaling, carry calling terminal identification, terminal called mark and caller for setting up the normal media SDP (offer1) of calling in INVITE signaling;
The customization relation of the calling terminal identification that caller CSCF preserves according to the calling terminal identification of carrying in INVITE signaling and HSS and Multimedia Ring Back Tone service, judges that caller is multimedia color ring back tone user, call request is sent to CRBT service provided to the calling party AS;
Step 1102, CRBT service provided to the calling party AS by INVITE signaling via caller CSCF to called CSCF, the terminal called that called CSCF preserves according to the terminal called mark of carrying in INVITE signaling and HSS identifies the customization relation with Multimedia Ring Back Tone service, judge that called is multimedia color ring back tone user, then INVITE signaling is sent to CRBT service provided to the called party AS, now in INVITE signaling, carry calling terminal identification, terminal called mark, offer1;
INVITE signaling is sent to terminal called by called CSCF by step 1103, CRBT service provided to the called party AS;
Step 1104 ~ step 1105, terminal called carry out normal media negotiation according to self-ability, by called CSCF, Temporary Response message is sent to CRBT service provided to the called party AS, carry the normal media SDP (answer1) after calling and called negotiation in signaling, this response message can be 183 signalings;
Step 1106, CRBT service provided to the called party AS obtain the Early media SDP (offer2) of called MRS, for carrying out the CRBT early media negotiation between calling and called MRS;
Temporary Response message is sent to CRBT service provided to the calling party AS via called CSCF, caller CSCF by step 1107, CRBT service provided to the called party AS;
Step 1108, CRBT service provided to the calling party AS obtain the Early media SDP (offer3) of caller MRS, for carrying out the CRBT early media negotiation between caller and caller MRS;
Temporary Response message is sent to calling terminal by caller CSCF by step 1109, CRBT service provided to the calling party AS, now carries answer1, offer2, offer3 in Temporary Response message;
Step 1110 ~ step 1111, calling terminal are arranged according to user, and the terminal iidentification of called d, judge when called as should playing and calling CRBT during d, therefore calling terminal carries out CRBT service provided to the calling party early media negotiation (SDP after negotiation is answer3), refuse CRBT service provided to the called party early media negotiation simultaneously, in answer2, calling terminal port can be set to 0, or be represent " sendonly " that only send not receiving media stream by media direction attribute modification;
Interim reliable response Prack signaling is sent to CRBT service provided to the calling party AS by caller CSCF by step 1112, calling terminal, carries the CRBT service provided to the calling party Early media SDP (answer3) after negotiation and CRBT service provided to the called party early media negotiation (answer2) in signaling;
CRBT service provided to the calling party Early media SDP (answer3) after negotiation is sent to caller MRS by step 1113, CRBT service provided to the calling party AS;
Prack signaling is sent to CRBT service provided to the called party AS via caller CSCF, called CSCF by step 1114, CRBT service provided to the calling party AS, carries CRBT service provided to the called party early media negotiation (answer2) in signaling;
CRBT service provided to the called party Early media SDP (answer2) after negotiation is sent to called MRS by step 1115, CRBT service provided to the called party AS;
Step 1116 ~ step 1127, with step 0115 ~ step 0126.
The entity of the network side in embodiment of the present invention C1 to embodiment of the present invention C11 comprises CRBT service provided to the calling party AS, CRBT service provided to the calling party management system, caller CSCF, caller MRS, CRBT service provided to the called party AS, CRBT service provided to the called party management system, called CSCF, called MRS.For simplicity, Fig. 1 ~ Figure 10 illustrate only wherein part entity.
Calling and called correspondent entity also can be same entity, if caller CSCF and called CSCF may be same CSCF, CRBT service provided to the calling party AS and CRBT service provided to the called party AS may be same CRBT AS, CRBT service provided to the calling party management system and CRBT service provided to the called party management system also may be same CRBT management system, the present invention only gives the embodiment of the present invention that correspondent entity is different entities, for the situation of same entity can be by that analogy.
During actual deployment, also can not judge at CSCF place whether user have subscribed Ring Back Tone service, but directly be triggered to CRBT AS, judge whether user have subscribed Ring Back Tone service and perform subsequent operation by CRBT AS.Flow process and above-described embodiment flow process similar and more simple.
The technical scheme that the invention described above embodiment provides, calling RBT service can be realized in IMS field, when caller and called subscriber are multimedia color ring back tone user, CRBT service provided to the calling party service or CRBT service provided to the called party service can be provided according to the strategy decision of customization to calling subscriber.
Calling subscriber can also arrange CRBT and filter, if deploy calling and called Ring Back Tone service simultaneously, user can arrange filtering main call and/or CRBT service provided to the called party, if filter CRBT service provided to the called party, playing and calling CRBT, if filtering main call CRBT, plays CRBT service provided to the called party, if filter calling and called CRBT (namely do not listen the CRBT of called setting, also do not listen CRBT service provided to the calling party) simultaneously, then it is the multimedia of being play-overed storage by calling terminal.
CRBT filtering policy can be arranged on calling terminal or CRBT filters in AS or CRBT service provided to the calling party AS, also can be arranged in the entity (network address book as CRBT management system, user) that CRBT service provided to the calling party AS can access, specifically can together with CRBT service provided to the calling party, the user being arranged on similar table 1 arranges in table, such as, as table 3, calling subscriber A arrange when called be user J or user K time, carry out CRBT filtration (simultaneously filtration calling and called CRBT); When called be user B, C, D, E, F, G time, playing and calling CRBT (be equal to filter CRBT service provided to the called party); When called for playing CRBT service provided to the called party (being equal to filtering main call CRBT) during other users:
Table 3
When not carrying out calling RBT service, CRBT filter traffic also can be carried out based on called RBT service separately, user can arrange for specifically called or for the filtering policys such as specific time period determine whether filter CRBT.
Embodiment C 12 describes this scene, now, Calling Side need not have CRBT service provided to the calling party AS and caller MRS, but have a CRBT to filter AS, CRBT filtering policy is arranged on CRBT and filters AS, CRBT filters AS in Invite, adds mark (CRBT filter identification), and CRBT service provided to the called party AS resolves mark and judges whether to perform CRBT flow process.As accompanying drawing 21, the concrete signaling process of Embodiment C 12 is as follows:
Step 1201, caller send INVITE signaling, carry calling terminal identification, terminal called mark and caller for setting up the normal media SDP (offer1) of calling in INVITE signaling;
The customization relation of the calling terminal identification that caller CSCF preserves according to the calling terminal identification of carrying in INVITE signaling and HSS and multimedia color ring back tone filter traffic, judge that caller have subscribed multimedia color ring back tone filter traffic, call request sent to CRBT to filter AS;
Step 1202, CRBT filter AS and arrange and the terminal iidentification of called B according to user, judge whether to filter CRBT, if not, by existing call flow process, if so, CRBT filter identification " filter-tone " is added in INVITE signaling;
Step 1203, CRBT filter AS by INVITE signaling via caller CSCF to called CSCF, the terminal called that called CSCF preserves according to the terminal called mark of carrying in INVITE signaling and HSS identifies the customization relation with Multimedia Ring Back Tone service, judge that called is multimedia color ring back tone user, then INVITE signaling is sent to CRBT service provided to the called party AS, now in INVITE signaling, carry calling terminal identification, terminal called mark, offer1 and filter-tone;
Step 1204 ~ step 1205, CRBT service provided to the called party AS judge to filter CRBT service provided to the called party according to " filter-tone " in INVITE signaling, do not trigger CRBT flow process, INVITE signaling is sent to terminal called by called CSCF;
Step 1206 ~ step 1207, terminal called carry out normal media negotiation according to self-ability, by called CSCF, Temporary Response message is sent to CRBT service provided to the called party AS, carry the normal media SDP (answer1) after calling and called negotiation in signaling, this response message can be 183 signalings;
Temporary Response message sends to CRBT to filter AS via called CSCF, caller CSCF by step 1208, CRBT service provided to the called party AS;
Step 1209, CRBT filter AS, via caller CSCF, 183 signalings are sent to calling terminal, carry answer1 in signaling;
Interim reliable response Prack signaling sends to CRBT to filter AS by caller CSCF by step 1210, calling terminal;
Step 1211 ~ step 1212, CRBT filter AS and Prack signaling are sent to terminal called;
Step 1213 ~ step 1215, terminal called reply response to calling terminal;
Step 1216 ~ step 1218, dialed terminal bell, send bell signal 180 to calling terminal;
Step 1219, calling terminal play the multimedia that self stores;
Step 1220 ~ step 1222, called off-hook, terminal called sends off hook signal 200 to calling terminal and responds, and after calling terminal receives, stops play multimedia.
Judged whether to trigger CRBT service provided to the called party flow process by CRBT service provided to the called party AS in above-described embodiment, can also be judged whether to be triggered to CRBT service provided to the called party AS by called CSCF, as shown in figure 22, embodiments of the invention C13 and C12 difference are, after called CSCF receives INVITE signaling, directly judge to filter CRBT service provided to the called party according to " filter-tone " mark in INVITE signaling, be not triggered to CRBT AS, INVITE signaling is sent to terminal called;
An alternative embodiment of the invention is when CRBT filtration AS judges to need to filter CRBT, " filter-tone " mark is not added in the INVITE signaling sent, but after receiving CRBT Early media offer, refusal CRBT media negotiation or carry out the negotiation of part of media type, be specially as shown in figure 23, comprise:
Step 1401, with step 1201
Step 1402, CRBT filter AS and arrange and the terminal iidentification of called B according to user, judge whether to filter CRBT;
Step 1403, CRBT filter AS by INVITE signaling via caller CSCF to called CSCF, the terminal called that called CSCF preserves according to the terminal called mark of carrying in INVITE signaling and HSS identifies the customization relation with Multimedia Ring Back Tone service, judge that called is multimedia color ring back tone user, then INVITE signaling is sent to CRBT service provided to the called party AS;
Step 1404, CRBT service provided to the called party AS obtain the Early media SDP (offer2) of called MRS;
INVITE signaling is sent to terminal called by called CSCF by step 1405, CRBT service provided to the called party AS, now carries calling terminal identification, terminal called mark and caller in INVITE signaling for setting up the normal media SDP (offer1) of calling;
Step 1406 ~ step 1407, terminal called carry out normal media negotiation according to self-ability, by called CSCF, 183 signalings are sent to CRBT service provided to the called party AS, carry the normal media SDP (answer1) after calling and called negotiation in signaling;
183 signalings send to CRBT to filter AS via called CSCF, caller CSCF by step 1408, CRBT service provided to the called party AS, carry the Early media SDP (offer2) of the normal media SDP (answer1) after calling and called negotiation and called MRS in 183 signalings;
Step 1409, CRBT filter AS and arrange and the terminal iidentification of called B according to user, judge whether to filter CRBT, if so, then delete the offer2 in 183 signalings forwarded to calling terminal;
Step 1410, CRBT filter AS and 183 signalings are sent to calling terminal via caller CSCF by 183 signalings, carry normal media SDP (answer1) in signaling;
Interim reliable response Prack signaling sends to CRBT to filter AS by caller CSCF by step 1411, calling terminal;
Step 1412, CRBT filter AS and are set to 0 by calling terminal port in answer2, represent refusal CRBT early media negotiation, and the prack signaling of carrying answer2 is sent to CRBT AS;
Answer2 is sent to Media Resource Server MRS by step 1413, CRBT AS
Step 1414 ~ step 1423, with step 1212 ~ step 1218, step 1220 ~ step 1222.
CRBT filtering policy can also be arranged in calling terminal, when calling terminal makes a call, judges whether to need to filter CRBT according to CRBT filtering policy, if needed, just in INVITE signaling, adds filter identification " filter-tone "; If do not needed, then do not add.Similar with Embodiment C 12, CRBT service provided to the called party AS judges to filter CRBT service provided to the called party according to " filter-tone " in INVITE signaling, does not trigger CRBT flow process.Also can be similar with Embodiment C 13, judged to filter CRBT service provided to the called party according to " filter-tone " in INVITE signaling by called CSCF, be not triggered to CRBT AS.
An alternative embodiment of the invention is arranged in calling terminal for CRBT filtering policy, do not change the flow process of network processes, after calling terminal receives CRBT Early media offer, when judging to need to carry out CRBT filtration according to CRBT filtering policy, refusal CRBT media negotiation, specifically can by the mode that caller port sets to 0 being realized in the answer2 returned, also normally can carry out CRBT media negotiation but follow-up refusal opens media channel or refusal coloring ring back tone playing.
The embodiment of a server of the present invention as shown in figure 24, comprising:
Receiving element, for receiving the call request that calling terminal is initiated;
Judging unit, needs to filter CRBT for judging whether according to described call request;
Filter element, filters CRBT according to judged result;
Policy unit, for storing CRBT filtering policy, server also judges to need to filter CRBT according to the CRBT filtering policy stored.
The embodiment of a terminal of the present invention as shown in figure 25, comprising:
Transmit-Receive Unit: for the request of making a call, receives the request of CRBT early media negotiation;
Policy unit, for storing CRBT filtering policy;
Filter element, needs to filter CRBT for judging whether according to the CRBT filtering policy stored, according to judged result refusal CRBT media negotiation, or refusal coloring ring back tone playing, or refusal opens media channel.
In addition, during the user shown in table 1 is arranged, user can also carry out a kind of like this setting: if there is CRBT service provided to the called party, so just selects to receive CRBT service provided to the called party; Otherwise reception CRBT service provided to the calling party.Calledly whether Ring Back Tone service is have subscribed owing to cannot know in caller territory, so CRBT service provided to the calling party AS cannot judge whether when being initially received call request start CRBT flow process, the call request response that CRBT service provided to the calling party AS returns by judging callee side, SDP type, P-early-media header field according to response have judged whether CRBT service provided to the called party, or after triggering CRBT flow process, carry CRBT mark in call request response by CRBT service provided to the called party AS and realize.Illustrate with 3 specific embodiments below.
Embodiment is as shown in figure 26 that CRBT service provided to the called party server adopts AS pattern to realize CRBT, comprises step:
2601, the caller request of making a call, is triggered to CRBT service provided to the calling party AS;
2602, CRBT service provided to the calling party AS checks that CRBT service provided to the calling party priority is arranged, and does not temporarily start CRBT flow process;
If 2603 calledly have subscribed CRBT service provided to the called party, then call request triggers is to CRBT service provided to the called party AS; Suppose in the present embodiment calledly to have subscribed CRBT service provided to the called party.
2604-2605, CRBT service provided to the called party AS forwarded call request, to called, calledly return 183 Temporary Responses;
2606, CRBT service provided to the called party AS starts AS pattern CRBT service provided to the called party flow process;
2607, CRBT service provided to the calling party AS is arrived in 183 responses that CRBT service provided to the called party AS sends with Early media early-sessionSDP;
2608, CRBT service provided to the calling party AS judges calledly have CRBT according to the early-sessionSDP that carries in 183 responses, does not therefore start CRBT service provided to the calling party flow process.If do not carry early-sessionSDP, then think there is no CRBT service provided to the called party, therefore start CRBT service provided to the calling party;
2609-2616, complete CRBT service provided to the called party media negotiation;
2617-2620, calledly return 180 responses to caller, CRBT service provided to the called party AS is to caller coloring ring back tone playing;
2621, calledly to answer, CRBT service provided to the called party AS stop playing coloring ring back tone, calling and called start call.
Embodiment is as shown in figure 27 that CRBT service provided to the called party server adopts the gateway mode of support P-early-media to realize CRBT, comprises step:
2701, the caller request of making a call, is triggered to CRBT service provided to the calling party AS;
2702, CRBT service provided to the calling party AS checks that CRBT service provided to the calling party priority is arranged, and does not temporarily start CRBT flow process;
If 2703 calledly have subscribed CRBT service provided to the called party, then call request triggers is to CRBT service provided to the called party AS; Suppose in the present embodiment calledly to have subscribed CRBT service provided to the called party.
2704-2705, CRBT service provided to the called party AS forwarded call request, to called, calledly return 183 Temporary Responses;
2706, CRBT service provided to the called party AS starts gateway mode CRBT service provided to the called party flow process;
2707, CRBT service provided to the calling party AS is arrived in 183 responses that CRBT service provided to the called party AS sends with P-early-media header field;
2708, CRBT service provided to the calling party AS judges calledly have CRBT according to the P-early-media header field that carries in 183 responses, does not therefore start CRBT service provided to the calling party flow process.If do not carry P-early-media header field, then thinking does not have CRBT service provided to the called party, therefore starts CRBT service provided to the calling party;
2709-2715, complete CRBT service provided to the called party media negotiation;
2716-2719, calledly return 180 responses to caller, CRBT service provided to the called party AS is to caller coloring ring back tone playing.
2720, calledly to answer, CRBT service provided to the called party AS stop playing coloring ring back tone, calling and called start call.
Embodiment as shown in figure 28 adds CRBT mark after CRBT service provided to the called party startup of server CRBT flow process to realize CRBT, comprises step:
2801, the caller request of making a call, is triggered to CRBT service provided to the calling party AS;
2802, CRBT service provided to the calling party AS checks that CRBT service provided to the calling party priority is arranged, and does not temporarily start CRBT flow process;
If 2803 calledly have subscribed CRBT service provided to the called party, then call request triggers is to CRBT service provided to the called party AS; Suppose in the present embodiment calledly to have subscribed CRBT service provided to the called party.
2804-2805, CRBT service provided to the called party AS forwarded call request, to called, calledly return 183 Temporary Responses;
2806, CRBT service provided to the called party AS starts AS pattern CRBT service provided to the called party flow process;
2807, CRBT service provided to the calling party AS is arrived in 183 responses that CRBT service provided to the called party AS sends with CRBT service provided to the called party mark;
2808, CRBT service provided to the calling party AS judges calledly have CRBT according to the CRBT service provided to the called party mark of carrying in 183 responses, does not therefore start CRBT service provided to the calling party flow process.If do not carry CRBT service provided to the called party mark, then think there is no CRBT service provided to the called party, therefore start CRBT service provided to the calling party;
2809-2816, complete CRBT service provided to the called party media negotiation;
2817-2820, calledly return 180 responses to caller, CRBT service provided to the called party AS is to caller coloring ring back tone playing;
2821, calledly to answer, CRBT service provided to the called party AS stop playing coloring ring back tone, calling and called start call.
For realizing above-described embodiment, the present invention also provides a kind of CRBT AS, as shown in figure 29, comprising:
Transmit-Receive Unit, for receiving the call request that calling terminal is initiated, being sent to call request called, and receiving the called call message returned;
Policy unit, for preserving the strategy of coloring ring back tone playing;
Broadcast unit, user according to the strategy of coloring ring back tone playing and described call message to calling terminal playing and calling CRBT or CRBT service provided to the called party.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (4)

1. realize the method that multimedia color ring back tone filters, it is characterized in that, comprising:
CRBT filtration application server A S receives the call request that calling terminal is initiated;
Described CRBT filters AS and judges to need to filter CRBT according to the CRBT filtering policy of described call request and storage, in the call request forwarded, add CRBT filter identification;
Described CRBT filters AS and sends the call request comprising CRBT filter identification to CRBT service provided to the called party AS, so that instruction CRBT service provided to the called party AS suppresses to trigger coloring ring back tone playing flow process according to CRBT filter identification.
2. the method for claim 1, is characterized in that, described filtration CRBT is filtering main call CRBT and/or filters CRBT service provided to the called party.
3. the method for claim 1, is characterized in that, described CRBT filtration application server A S is CRBT service provided to the calling party application server AS.
4. a server, is characterized in that, comprising:
Receiving element, for receiving the call request that calling terminal is initiated;
Policy unit, for storing CRBT filtering policy;
Judging unit, for judging to need to filter CRBT according to the CRBT filtering policy of described call request and storage, adds CRBT filter identification in the call request forwarded;
Filter element, sends the call request comprising CRBT filter identification to CRBT service provided to the called party AS, so that instruction CRBT service provided to the called party AS suppresses to trigger coloring ring back tone playing flow process according to CRBT filter identification.
CN201210039466.3A 2007-07-04 2008-03-31 A kind of method and server realizing Multimedia Ring Back Tone service Active CN102571819B (en)

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CN200810090251.8A CN101340629B (en) 2007-07-04 2008-03-31 Method, system and apparatus for implementing multimedia customized ring back tone service
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