CN102571819A - Method, system and device for realizing multimedia color ring back tone service - Google Patents

Method, system and device for realizing multimedia color ring back tone service Download PDF

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Publication number
CN102571819A
CN102571819A CN2012100394663A CN201210039466A CN102571819A CN 102571819 A CN102571819 A CN 102571819A CN 2012100394663 A CN2012100394663 A CN 2012100394663A CN 201210039466 A CN201210039466 A CN 201210039466A CN 102571819 A CN102571819 A CN 102571819A
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China
Prior art keywords
crbt
called
calling
service provided
ring back
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Granted
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CN2012100394663A
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Chinese (zh)
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CN102571819B (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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Publication of CN102571819B publication Critical patent/CN102571819B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/12Arrangements 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
    • H04M7/1205Arrangements 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
    • H04M7/129Details of providing call progress tones or announcements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42017Customized ring-back tones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2201/00Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/16Sequence circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42025Calling or Called party identification service
    • H04M3/42034Calling party identification service
    • H04M3/42059Making use of the calling party identifier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/42025Calling or Called party identification service
    • H04M3/42085Called party identification service
    • H04M3/42102Making use of the called party identifier

Abstract

The embodiment of the invention provides a method for realizing a multimedia color ring back tone service. The method comprises the following steps that: a calling terminal initiates a call request; a color ring back tone playing strategy is resolved according to the call request, wherein the color ring back tone playing strategy is a strategy for playing a calling color ring back tone or a called color ring back tone, or a strategy for filtering a color ring back tone; a calling color ring back tone media negotiation or a called color ring back tone media negotiation or no color ring back tone media negotiation is performed according to a resolving result; and after a called ringing signal is received, the calling color ring back tone or the called color ring back tone or no color ring back tone is played to a calling party according a media negotiation result. By the technical scheme provided by the embodiment of the invention, a calling color ring back tone service can be realized in the field of an Internet protocol multimedia subsystem (IMS), the calling color ring back tone service or a called color ring back tone service is provided for a calling user according to a customized strategy, a color ring back tone filtering service can be realized simultaneously, and a user can autonomously experience color ring back tone services.

Description

A kind of mthods, systems and devices of realizing Multimedia Ring Back Tone service
Technical field
The present invention relates to the communications field, particularly a kind of mthods, systems and devices of realizing Multimedia Ring Back Tone service.
Background technology
IP Multimedia System (IMS, IP Multimedia Subsystem) is the subsystem of the support IP multimedia service that in the Release5 release criteria, proposes of the 3rd third-generation mobile communication partnership 3GPP.IMS is to use session initiation protocol (SIP, Session Initiation Protocol) to call out controlling mechanism various types of multimedia services of creating, manage and terminate.IMS provides the basis of integrated services, and it supports speech, data and multimedia service and new application simultaneously based on the IP technology.
IMS territory Ring Back Tone service is a kind of called service; When caller makes a call through the IMS territory; And it is called when receiving calling; If called is the CRBT contracted user, and ordered relevant CRBT, the ring-back tone of being heard when then called receiving calls waited in caller will be replaced by the broadcast of the called CRBT that customizes (as: audio frequency, video or other multimedia files).
Accompanying drawing 1 is the called service flow chart of IMS territory CRBT:
The IMS call request is initiated in step 101. caller;
The called CSCF server of step 102. (CSCF; Serving-Call Session Control Function) accepting IMS calls out; Called CSCF judges the called Ring Back Tone service of whether having ordered according to the called service profile that home signature user server (HSS, Home Subscriber Server) is preserved;
If the called Ring Back Tone service of not ordering of step 103., then called CSCF is to called transmission IMS call signaling;
If the called Ring Back Tone service of having ordered of step 104., then called CSCF is triggered to CRBT service provided to the called party application server (AS, Application Server) with call signaling;
Step 105. CRBT service provided to the called party AS begins to carry out the media negotiation between the calling and called Media Resource Server (MRS, Media Resource Server), and passes through CSCF to called transmission call signaling;
Step 106. CRBT service provided to the called party AS indicates called MRS to the caller coloring ring back tone playing when called terminal ringing.
Above-mentioned business can realize playing the IMS CRBT to caller; But institute's played color ring is that the called subscriber customizes, and it has embodied called subscriber's personalized color, and the inventor finds in the IMS territory, not have at present the business of the ring-back tone of the embodiment calling subscriber personalized color that the calling subscriber customizes; More not when calling and called are the multimedia color ring back tone user simultaneously; Be to calling subscriber's playing and calling CRBT or CRBT service provided to the called party scheme, in addition, also possibly hope to filter CRBT for the calling subscriber.
Summary of the invention
In order to be implemented in the IMS territory when calling and called during simultaneously for the multimedia color ring back tone user; Being provided with according to the user is to the calling subscriber's playing and calling CRBT or the scheme of CRBT service provided to the called party; The embodiment of the invention provides a kind of method that realizes CRBT service provided to the calling party, comprising: the calling terminal request of making a call; According to the strategy of said call request parsing coloring ring back tone playing, the strategy of said coloring ring back tone playing refers to the strategy of playing and calling CRBT or CRBT service provided to the called party; Carry out CRBT service provided to the calling party media negotiation or CRBT service provided to the called party media negotiation according to said analysis result; After receiving the called terminal ringing signal, according to said media negotiation result to caller playing and calling CRBT or CRBT service provided to the called party.
The embodiment of the invention provides a kind of system that realizes Ring Back Tone service again, comprising: calling terminal, and request is used to make a call; CRBT policy configurations unit is used to be provided with the strategy of coloring ring back tone playing, and said strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT policy resolution unit is used for resolving according to call request the strategy of said coloring ring back tone playing; Media Resource Server MRS is used for carrying out the CRBT media negotiation according to analysis result and caller, to the caller coloring ring back tone playing.
The embodiment of the invention provides a kind of calling terminal again, comprising: transmitting element is used to send call request; CRBT policy configurations unit is used to be provided with the strategy of coloring ring back tone playing, and said strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT sign adding device is used for adding CRBT service provided to the calling party sign or CRBT service provided to the called party sign according to said strategy in call request.
The embodiment of the invention provides a kind of calling terminal again, comprising: transmitting element is used to send call request; CRBT policy configurations unit is used to be provided with the strategy of coloring ring back tone playing, and said strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT policy resolution unit is used for the strategy according to said coloring ring back tone playing, and decision is carried out the early media negotiation between caller and the caller MRS or carried out the early media negotiation between the calling and called MRS.
The embodiment of the invention provides a kind of CRBT application server again, comprising: CRBT policy resolution unit, be used to resolve the strategy of said coloring ring back tone playing, and trigger CRBT service provided to the calling party or CRBT service provided to the called party according to said strategy;
The media negotiation unit is used for carrying out the media negotiation between the Media Resource Server that caller and said strategy determined according to analysis result.
The embodiment of the invention provides a kind of CSCF server again; Comprise: authenticating unit; Be used for terminal iidentification and the terminal iidentification of HSS preservation and the customization relation of Ring Back Tone service, judge whether the terminal use is color ring user according to call request; CRBT policy resolution unit is used for resolving the strategy of the coloring ring back tone playing that call request carries, and according to said strategy the call signaling of said color ring user is triggered CRBT service provided to the calling party application server or CRBT service provided to the called party application server.
The embodiment of the invention provides a kind of CRBT application server again, it is characterized in that, comprising: CRBT policy configurations unit, be used to be provided with the strategy of coloring ring back tone playing, and said strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; The media negotiation unit is used for carrying out caller that caller and said strategy determined or the media negotiation between the called Media Resource Server according to the result who resolves said broadcast strategy.
The embodiment of the invention provides a kind of CRBT application server again, it is characterized in that, comprising: CRBT policy configurations unit, be used to be provided with the strategy of coloring ring back tone playing, and said strategy is the strategy of playing and calling CRBT or CRBT service provided to the called party; CRBT policy resolution unit is used to resolve the strategy of said 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; The media negotiation unit is used for carrying out caller that caller and said strategy determined or the media negotiation between the called Media Resource Server according to the result who resolves said broadcast strategy.
The embodiment of the invention provides a kind of method that realizes that multimedia color ring back tone filters again, comprising: receive the call request that calling terminal is initiated; Judge whether that according to said call request needs filter CRBT; Filter CRBT according to judged result.
The embodiment of the invention provides a kind of method that realizes that multimedia color ring back tone filters again, and comprising: the calling terminal request of making a call receives the request of CRBT early media negotiation; CRBT filtering policy according to storage judges whether that needs filter CRBT; According to judged result refusal CRBT media negotiation, or the refusal coloring ring back tone playing, or refusal is opened media channel.
The embodiment of the invention provides a kind of server again, comprising: receiving element is used to receive the call request that calling terminal is initiated; Judging unit is used for judging whether that according to said call request needs filter CRBT; Filter element filters CRBT according to judged result.
The embodiment of the invention provides a kind of terminal again, comprising: Transmit-Receive Unit, and the request that is used to make a call receives the request of CRBT early media negotiation; Policy unit is used to store the CRBT filtering policy; Filter element is used for judging whether that according to the CRBT filtering policy of storage needs filter CRBT, according to judged result refusal CRBT media negotiation, or the refusal coloring ring back tone playing, or refusal is opened media channel.
The embodiment of the invention provides a kind of method that realizes Multimedia Ring Back Tone service again, comprising: receive the call request that calling terminal is initiated; Call request is sent to called, and receive the called call message of returning; According to the strategy of coloring ring back tone playing and said call message to calling terminal playing and calling CRBT or CRBT service provided to the called party.
The embodiment of the invention provides a kind of CRBT application server again, comprising: Transmit-Receive Unit, be used to receive the call request that calling terminal is initiated, and call request is sent to called, and receive the called call message of returning; Policy unit is used to preserve the strategy of coloring ring back tone playing; Broadcast unit, the user according to the strategy of coloring ring back tone playing and said 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 invention provides; Can realize calling RBT service in the IMS field; When caller and called subscriber are the multimedia color ring back tone user, can to the calling subscriber calling RBT service or called RBT service be provided according to the strategy decision of customization.
Description of drawings
Fig. 1 is the called service flow chart of IMS territory CRBT in the prior art;
A kind of system that realizes Multimedia Ring Back Tone service that Fig. 2 provides for embodiment of the invention B1;
A kind of calling terminal that Fig. 3 provides for embodiment of the invention B2;
A kind of CRBT application server that Fig. 4 provides for embodiment of the invention B3;
A kind of CSCF server that Fig. 5 provides for embodiment of the invention B4;
A kind of CRBT application server that Fig. 6 provides for embodiment of the invention B5;
A kind of CRBT application server that Fig. 7 provides for embodiment of the invention B6;
A kind of calling terminal that Fig. 8 provides for embodiment of the invention B7;
The method of a kind of IMS of realization Ring Back Tone service that Fig. 9 provides for embodiment of the invention C0;
The method of a kind of IMS of realization Ring Back Tone service that Figure 10 provides for embodiment of the invention C1;
The method of a kind of IMS of realization Ring Back Tone service that Figure 11 provides for embodiment of the invention C2;
The method of a kind of IMS of realization Ring Back Tone service that Figure 12 provides for embodiment of the invention C3;
The method of a kind of IMS of realization Ring Back Tone service that Figure 13 provides for embodiment of the invention C4;
The method of a kind of IMS of realization Ring Back Tone service that Figure 14 provides for embodiment of the invention C5;
The method of a kind of IMS of realization Ring Back Tone service that Figure 15 provides for embodiment of the invention C6;
The method of a kind of IMS of realization Ring Back Tone service that Figure 16 provides for embodiment of the invention C7;
The method of a kind of IMS of realization Ring Back Tone service that Figure 17 provides for embodiment of the invention C8;
The method of a kind of IMS of realization Ring Back Tone service that Figure 18 provides for embodiment of the invention C9;
The method of a kind of IMS of realization Ring Back Tone service that Figure 19 provides for embodiment of the invention C10;
The method of a kind of IMS of realization Ring Back Tone service that Figure 20 provides for embodiment of the invention C11;
The method that a kind of IMS of realization Ring Back Tone service that Figure 21 provides for embodiment of the invention C12 filters;
The method that a kind of IMS of realization Ring Back Tone service that Figure 22 provides for embodiment of the invention C13 filters;
The method that a kind of IMS of realization Ring Back Tone service that Figure 23 provides for embodiment of the invention C14 filters;
A kind of server that Figure 24 provides for the embodiment of the invention;
A kind of terminal that Figure 25 provides for the embodiment of the invention;
A kind of color ring selecting method flow chart that Figure 26 provides for the embodiment of the invention;
The another kind of color ring selecting method flow chart that Figure 27 provides for the embodiment of the invention;
The another kind of color ring selecting method flow chart that Figure 28 provides for the embodiment of the invention;
A kind of CRBT AS structural representation that Figure 29 provides for the embodiment of the invention.
Embodiment
Referring to Fig. 2; Embodiment of the invention B1 provides a kind of system that realizes 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 policy configurations unit 106, CRBT policy resolution unit 107, wherein; Calling terminal 101, request is used to make a call; CSCF server CSCF102 is used for call request is sent to CRBT application server AS 104; CRBT application server AS 104 is used to carry out the media negotiation between caller and the Media Resource Server MRS; CRBT policy configurations unit 106 is used to be provided with the strategy of coloring ring back tone playing, and said strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party; CRBT policy resolution unit 107; Be used to resolve the strategy of said coloring ring back tone playing; Media Resource Server MRS105 is used for carrying out the CRBT media negotiation according to analysis result and caller, to the caller coloring ring back tone playing; CRBT policy configurations unit 106 is arranged in the calling terminal 101 among Fig. 2, and CRBT policy resolution unit 107 is arranged on CRBT AS104.
More widely, CRBT policy configurations unit 106 can be arranged in the calling terminal 101, and CRBT policy resolution unit 107 can be arranged among the CRBT AS104, also can be arranged among the CSCF102, also can be arranged in the 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 among CRBT service provided to the calling party AS1041 and the 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 among caller CSCF1021 and the called CSCF1022 simultaneously.
CRBT policy configurations unit 106 can also be arranged in the entity (like CRBT management system, user's network address book) that CRBT service provided to the calling party AS1041 or CRBT service provided to the calling party AS can visit; CRBT policy resolution unit 107 can be arranged among the CRBT service provided to the called party AS1042; Among the perhaps called CSCF1022, perhaps among the CRBT service provided to the calling party AS1041.
Referring to Fig. 3, embodiment of the invention B2 provides a kind of calling terminal, comprising: CRBT policy configurations unit 201, CRBT sign adding device 202, transmitting element 203; Wherein, transmitting element 203 is used to send call request; CRBT policy configurations unit 201 is used to be provided with the strategy of coloring ring back tone playing, and strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party; CRBT sign adding device 202 is used for adding CRBT service provided to the calling party sign or CRBT service provided to the called party sign according to broadcast strategy in call request.
Referring to Fig. 4, embodiment of the invention B3 provides a kind of CRBT application server, comprises CRBT policy resolution unit 301 and media negotiation unit 302; Wherein, CRBT policy resolution unit 301 is used to resolve the strategy of said 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 is used for carrying out the media negotiation between the Media Resource Server that caller and said strategy determined according to analysis result.
Referring to Fig. 5; Embodiment of the invention B4 provides a kind of CSCF server, comprising: authenticating unit 401 and CRBT policy resolution unit 402, wherein; Authenticating unit 401; Be used for terminal iidentification and the terminal iidentification of HSS preservation and the customization relation of Ring Back Tone service, judge whether the terminal use is color ring user, CRBT policy resolution unit 402 according to call request; Be used for resolving the strategy of the coloring ring back tone playing that call request carries, the call signaling of color ring user triggered CRBT service provided to the calling party application server or CRBT service provided to the called party application server according to broadcast strategy.
Referring to Fig. 6, embodiment of the invention B5 provides a kind of CRBT application server, comprising: CRBT policy configurations unit 501 and media negotiation unit 502; Wherein, CRBT policy configurations unit 501 is used to be provided with the strategy of coloring ring back tone playing, and broadcast strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party; Medium media negotiation unit 502 is used for carrying out caller that caller and broadcast strategy determined or the media negotiation between the called Media Resource Server according to the result who resolves said broadcast strategy.
Referring to Fig. 7, a kind of CRBT application server that embodiment of the invention B6 provides comprises: CRBT policy configurations unit 601, CRBT policy resolution unit 602 and media negotiation unit 603; Wherein, CRBT policy configurations unit 601 is used to be provided with 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 is used to resolve the strategy of said 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 603 is used for carrying out caller that caller and said strategy determined or the media negotiation between the called Media Resource Server according to the result who resolves said broadcast strategy.
If the 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 policy configurations unit 601 is positioned at the 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.
Referring to Fig. 8, embodiment of the invention B7 provides a kind of calling terminal, comprising: transmitting element 701, CRBT policy configurations unit 702, CRBT policy resolution unit 703; Wherein, transmitting element 701 is used to send call request; CRBT policy configurations unit 702; Be used to be provided with the strategy of coloring ring back tone playing, said strategy is the strategy of playing and calling CRBT and CRBT service provided to the called party, CRBT policy resolution unit 703; Be used for the strategy according to said coloring ring back tone playing, decision is carried out the early media negotiation between caller and the caller MRS or is carried out the early media negotiation between the calling and called MRS.
Among 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.
Referring to Fig. 9, embodiment of the invention C0 provides a kind of method that realizes Multimedia Ring Back Tone service, comprising:
The request of making a call of step 0001. calling terminal;
Step 0002. is according to the strategy of call request parsing coloring ring back tone playing, 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 or is not carried out the CRBT media negotiation according to analysis result;
After step 0004. is received the called terminal ringing signal, according to the media negotiation result to caller playing and calling CRBT or CRBT service provided to the called party or non-coloring ring back tone playing.
The strategy of coloring ring back tone playing need be set before the operation above-mentioned steps in advance, can in CRBT service provided to the calling party AS, be provided with, can in calling terminal, be provided with, the strategy that wherein filters CRBT can also filter among the AS at CRBT and be provided with.
Embodiment of the invention C1~C6 provides the method for the realization Multimedia Ring Back Tone service of the strategy that coloring ring back tone playing is set in CRBT service provided to the calling party AS.
Embodiment of the invention C7~Embodiment C 11 provides the method for the realization Multimedia Ring Back Tone service of the strategy that coloring ring back tone playing is set 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 customize according to client's needs; The CRBT of equal playing and calling order in any case can be set; The priority ratio CRBT service provided to the called party that is CRBT service provided to the calling party is high, also can be provided with to satisfy certain condition playing and calling CRBT, satisfy certain condition and play CRBT service provided to the called party, the corresponding broadcast condition of different CRBT service provided to the calling parties can also be set as playing different CRBT service provided to the calling parties according to the difference of called difference, time period simultaneously.
Following table is to play different CRBT according to called difference, and for the CRBT service provided to the calling party that is set to except that B, C, D, E, F, G are called, it is following that simple examples is set:
Figure BDA0000137119910000091
User among the table 1. CRBT service provided to the calling party AS is provided with table
In the entity (like the CRBT service provided to the calling party management system) that corresponding relation can be arranged among the CRBT service provided to the calling party AS simultaneously or CRBT service provided to the calling party AS can visit between above-mentioned CRBT sign and CRBT numbering and the different condition; Also can CRBT sign and number-mark be provided with respectively; Be about to correspondence setting between CRBT sign and the different condition in CRBT service provided to the calling party AS, with the correspondence setting between CRBT numbering and the corresponding condition in the CRBT management system.Embodiment of the invention C1~C6 adopts the setting in the table 1.
CRBT sign can increase the SIP header field newly or expand a certain header field value or expansion SDP carries this identification information, specifically this sign can be set in Contact header field, as in the schemes of Contact value, increasing " caller-tone ".
Embodiment of the invention C1 and embodiment of the invention C2 provide the signaling process of " sign that indication triggers CRBT service provided to the calling party or CRBT service provided to the called party is set, resolves this sign at CRBT service provided to the called party AS at CRBT service provided to the calling party AS ", are example to adopt early media negotiation.Wherein related caller A, called B, called H are the multimedia color ring back tone user.
Referring to Figure 10, caller A initiates the IMS calling to called B among the embodiment of the invention C1, final playing and calling CRBT 1, and concrete signaling process is following:
The INVITE signaling is sent in step 0101, caller, carries calling terminal identification, terminal called sign and caller in the INVITE signaling and is used to set up the normal medium SDP (offer1) of calling;
Caller CSCF is according to the calling terminal identification of calling terminal identification of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service, and judging caller is the multimedia color ring back tone user, and call request is sent to CRBT service provided to the calling party AS;
Step 0102, CRBT service provided to the calling party AS are provided with according to the user and the terminal iidentification of called B; Find the corresponding CRBT of called B and be designated " CRBT service provided to the calling party sign (caller-tone) "; CRBT is numbered " CRBT 1 numbering "; Judge playing and calling CRBT 1 when caller A calls out called B, " caller-tone " is added in the INVITE signaling, follow-uply also can trigger step 0109;
Step 0103, CRBT service provided to the calling party AS arrive called CSCF with the INVITE signaling via caller CSCF; Called CSCF is according to the terminal called sign of terminal called sign of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service; Judge the called multimedia color ring back tone user that is; Then the INVITE signaling is sent to CRBT service provided to the called party AS, carry calling terminal identification, terminal called sign, offer1 and caller-tone in the INVITE signaling this moment;
Step 0104~step 0105, CRBT service provided to the called party AS judge according to " caller-tone " in the INVITE signaling and do not play CRBT service provided to the called party, and the INVITE signaling is sent to terminal called through called CSCF;
Step 0106~step 0107, terminal called carry out normal media negotiation according to self-ability; Through called CSCF Temporary Response message is sent to CRBT service provided to the called party AS; Carry the normal medium SDP (answer1) after calling and called are consulted in the signaling, this response message can be 183 signalings;
Response message among this embodiment of the invention and the embodiment of the invention C2~embodiment of the invention C11 is all with 183 denoting signalings;
Step 0108, CRBT service provided to the called party AS send to CRBT service provided to the calling party AS via called CSCF, caller CSCF with Temporary Response message;
Step 0109, because step 0102 in judged the Early media SDP (offer2) that needs playing and calling CRBT 1, CRBT service provided to the calling party AS to obtain caller MRS, be used to carry out the CRBT early media negotiation between caller and the caller MRS;
Step 0110, CRBT service provided to the calling party AS send to calling terminal via caller CSCF with 183 signalings, carry answer1 and offer2 in the signaling;
Step 0111~step 0112, calling terminal carry out early media negotiation according to self-ability, through caller CSCF interim reliable response Prack signaling are sent to CRBT service provided to the calling party AS, carry the CRBT Early media SDP (answer2) after the negotiation in the signaling;
CRBT Early media SDP (answer2) after step 0113, CRBT service provided to the calling party AS will consult sends to caller MRS;
Step 0114~step 0115, CRBT service provided to the calling party AS send to terminal called with the Prack signaling;
Step 0116~step 0118, terminal called are replied and are responded to calling terminal;
Step 0119~step 0121, dialed terminal bell send bell signal 180 to calling terminal;
Step 0122, CRBT service provided to the calling party AS receive that bell signal 180 back indication caller MRS are to caller playing and calling CRBT 1;
Step 0123~step 0125, called off-hook, terminal called sends off hook signal 200 responses to calling terminal;
Step 0126, CRBT service provided to the calling party AS receive that off hook signal 200 back indication caller MRS finish playback;
There is not specific sequencing between the above-mentioned steps, do not have sequencing between the step in Embodiment C 2~C11 yet.
Normal medium SDP (answer1) after calling and called are consulted in the foregoing description C1 sends to caller through Temporary Response information 183 signalings, also can send to caller through 200 in step 0123~step 0125 (INVITE).
Concerning in step 0101 among the foregoing description C1 and the step 0103 according to the calling terminal identification of calling terminal identification of carrying in the INVITE signaling and HSS preservation and the customization of Multimedia Ring Back Tone service; Judging caller or the called multimedia color ring back tone user's of being step is carried out by caller CSCF or called CSCF; Also can be by CRBT service provided to the calling party AS and CRBT service provided to the called party AS, the relevant authentication step in following examples C2~Embodiment C 11 also can be carried out by CRBT AS.
Referring to Figure 11, embodiment of the invention C2 has provided caller A and has initiated the IMS calling to called H, finally plays CRBT service provided to the called party, and concrete signaling process is following:
Step 0201, with step 0101;
Step 0202, CRBT service provided to the calling party AS are provided with according to the user and the terminal iidentification of called H; Find the corresponding CRBT of called H and be designated " CRBT service provided to the called party sign (callee-tone) "; Judge and when caller A calls out called B, play CRBT service provided to the called party, " callee-tone " is added in the INVITE signaling;
Step 0203, CRBT service provided to the calling party AS arrive called CSCF with the INVITE signaling via caller CSCF; Called CSCF is according to the terminal called sign of terminal called sign of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service; Judge the called multimedia color ring back tone user that is; Then the INVITE signaling is sent to CRBT service provided to the called party AS, carry calling terminal identification, terminal called sign, caller this moment in the INVITE signaling and be used to set up normal medium SDP (offer1) and " callee-tone " of calling;
Step 0204~step 0205, CRBT service provided to the called party AS judge the broadcast CRBT service provided to the called party according to " callee-tone " in the INVITE signaling, and the INVITE signaling is sent to terminal called through called CSCF;
Step 0206~step 0207, with step 0106~step 0107;
Step 0208, because judged in the step 0202 and need to have play CRBT service provided to the called party, CRBT service provided to the called party AS obtains the Early media SDP (offer2) of called MRS;
Step 0209~step 0210, CRBT service provided to the called party AS send to calling terminal via called CSCF, caller CSCF, CRBT service provided to the calling party AS with 183 signalings, and wherein 183 signalings are carried normal medium SDP (answer1) and the offer2 after the negotiation;
Step 0211, calling terminal carry out the CRBT early media negotiation according to self-ability;
Step 0212~step 0213, calling terminal send to CRBT service provided to the called party AS via caller CSCF, called CSCF with interim reliable response Prack signaling, carry the CRBT Early media SDP (answer2) after the negotiation in the signaling;
CRBT Early media SDP (answer2) after step 0214, CRBT service provided to the called party AS will consult sends to called MRS;
Step 0215, CRBT service provided to the called party AS send to terminal called with the Prack signaling;
Step 0216~step 0221, with step 0116~0121;
Step 0222, CRBT service provided to the called party AS receive that the bell signal 180 back called MRS of indication are to calling audio playback;
Step 0223~step 0225, with step 0123~step 0125;
Step 0226, CRBT service provided to the called party AS receive that the off hook signal 200 back called MRS of indication finish playback;
Called H among the embodiment of the invention C2 is the multimedia color ring back tone user, if called H does not order Multimedia Ring Back Tone service, two kinds of processing modes can be arranged then:
Processing mode one: play the traditional ringback sound to caller.
Processing mode two: the playing and calling CRBT, concrete processing mode and Figure 26,27, the embodiment shown in 28 are identical.
Embodiment of the invention C3 and embodiment of the invention C4 provide the signaling process of " sign that indication triggers CRBT service provided to the calling party or CRBT service provided to the called party is set, resolves this sign at called CSCF at CRBT service provided to the calling party AS ", are example to adopt early media negotiation.Wherein related caller A, called C, called J are the multimedia color ring back tone user.
Referring to Figure 12, embodiment of the invention C3 has provided caller A and has initiated the IMS calling to called D, final playing and calling CRBT, and concrete signaling process is following:
Step 0301~step 0302, with step 0101~step 0102; Because according to " caller tone " in INVITE signaling sign, subsequent triggers step 0309: CRBT service provided to the calling party AS obtains the Early media SDP (offer2) of caller MRS to CRBT service provided to the calling party AS in the step 0302;
Step 0303~step 0304, CRBT service provided to the calling party AS arrive called CSCF with the INVITE signaling via caller CSCF; Called CSCF is according to the terminal called sign of terminal called sign of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service; Judge the called multimedia color ring back tone user that is; Called CSCF judges according to " caller-tone " in the INVITE signaling and does not play CRBT service provided to the called party
Step 0305, called CSCF directly send to terminal called with the INVITE signaling, and carry calling terminal identification, terminal called sign, offer1 and caller-tone in the INVITE signaling this moment;
Step 0306~step 0326, with step 0106~step 0126.
Referring to Figure 13, embodiment of the invention C4 has provided caller A and has initiated the IMS calling to called I, finally plays CRBT service provided to the called party, and concrete signaling process is following:
Step 0401~step 0403, with step 0201~step 0203;
Step 0404, called CSCF judge the broadcast CRBT service provided to the called party according to " callee-tone " in the INVITE signaling;
Step 0405, called CSCF send to CRBT service provided to the called party AS with the INVITE signaling; Carry calling terminal identification, terminal called sign, offer1 and callee-tone in the INVITE signaling this moment, and CRBT service provided to the called party AS is according to identifying " callee-tone " subsequent triggers step 0409: the Early media SDP (offer2) that obtains called MRS;
Step 0406~step 0432, with step 0205~step 0226.
Embodiment of the invention C5 and embodiment of the invention C6 provide the signaling process of " sign that indication triggers CRBT service provided to the calling party or CRBT service provided to the called party is set, resolves this sign by CRBT service provided to the calling party AS at CRBT service provided to the calling party AS ", are example to adopt early media negotiation.Wherein related caller A, called D, called K are the multimedia color ring back tone user.
Referring to Figure 14, embodiment of the invention C5 has provided caller A and has initiated the IMS calling to called D, the flow process of final playing and calling CRBT, and signaling process is following:
Step 0501, with step 0101
Step 0502, CRBT service provided to the calling party AS are provided with according to the user and the terminal iidentification of called D, find corresponding CRBT and are designated " caller tone ", and CRBT is numbered " CRBT 1 numbering ", judges playing and calling CRBT 1 when caller A calls out called D;
Step 0503, CRBT service provided to the calling party AS arrive called CSCF with the INVITE signaling via caller CSCF; Called CSCF is according to the terminal called sign of terminal called sign of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service; Judging called D is the multimedia color ring back tone user, then the 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;
Step 0505, CRBT service provided to the called party AS send to terminal called with the INVITE signaling through called CSCF, carry calling terminal identification, terminal called sign and caller this moment in the INVITE signaling and are used to set up the normal medium SDP (offer1) of calling;
Step 0506~step 0507, terminal called carry out normal media negotiation according to self-ability, through called CSCF 183 signalings are sent to CRBT service provided to the called party AS, carry the normal medium SDP (answer1) after calling and called are consulted in the signaling;
Step 0508, CRBT service provided to the called party AS send to CRBT service provided to the calling party AS via called CSCF, caller CSCF with 183 signalings, normal medium SDP (answer1) after carrying calling and called in 183 signalings and consulting and the Early media SDP (offer2) of called MRS;
Can in offer2, add service identification or corresponding medium property mark is set, show that this is the SDP that is used for called RBT service, can expand m line description medium type and be " CRBT service provided to the called party ", example is following:
m=application?2456?TCP?callee-tone
Step 0509, CRBT service provided to the calling party AS obtain the Early media SDP (offer3) of caller MRS, are used to carry out the CRBT early media negotiation between caller and the caller MRS;
Step 0510, CRBT service provided to the calling party AS replace with the Early media SDP (offer2) of the called MRS in 183 signalings Early media SDP (offer3) of caller MRS; Via caller CSCF 183 signalings are sent to calling terminal, carry normal medium SDP (answer1) and the Early media SDP (offfer3) of caller MRS after the negotiation in the signaling;
Step 0511~step 0512, calling terminal carry out early media negotiation according to self-ability, through caller CSCF interim reliable response Prack signaling are sent to CRBT service provided to the calling party AS, carry the CRBT Early media SDP (answer3) after the negotiation in the signaling;
CRBT Early media SDP (answer3) after step 0513, CRBT service provided to the calling party AS will consult sends to caller MRS;
Step 0514~step 0515, CRBT service provided to the calling party AS replace caller carry out and called MRS between media negotiation, can in answer2, the calling terminal port be put 0, or medium direction attribute modification is only sent not " sendonly " of receiving media stream for expression;
Step 0516~step 0527, with step 0115~step 0126.
Referring to Figure 15, embodiment of the invention C6 has provided caller A and has initiated the IMS calling to called K, finally plays the flow process of CRBT service provided to the called party, and concrete signaling process is following:
Step 0601, with step 0101;
Step 0602, CRBT service provided to the calling party AS are provided with according to the user and the terminal iidentification of called K, find corresponding CRBT and are designated " callee tone ", judge and when caller A calls out called K, play CRBT service provided to the called party;
Step 0603~step 0608, with step 0503~step 0508
Step 0609, CRBT service provided to the calling party AS send to calling terminal via caller CSCF with 183 signalings, carry normal medium SDP (answer1) and the Early media SDP (offer2) of called MRS after the negotiation in the 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 invention C7~embodiment of the invention C11 provides in calling terminal A, to be provided with to listen to and has satisfied the CRBT that imposes a condition; Set-up mode can customize according to client's needs; The CRBT of equal playing and calling order in any case can be set; The priority ratio CRBT service provided to the called party that is CRBT service provided to the calling party is high, also can be provided with to satisfy certain condition playing and calling CRBT, satisfy certain condition and play CRBT service provided to the called party.
Following table is to be provided with, and is to play different CRBT according to called difference, and it is following that simple examples is set:
Condition The CRBT sign
Called is b, c, d caller?tone
Other are called callee?tone
User in table 2. calling terminal is provided with table
CRBT sign can increase the SIP header field newly or expand a certain header field value or expansion SDP carries this identification information, specifically this sign can be set in Contact header field, as in the schemes of Contact value, increasing " caller-tone ".
Caller A, called b, called e related among embodiment of the invention C7, the embodiment of the invention C8 are the multimedia color ring back tone user; " calling terminal is provided with the sign that indication triggers CRBT service provided to the calling party or CRBT service provided to the called party in call request, resolve the sign in the call request by CRBT service provided to the calling party AS and CRBT service provided to the called party AS ".
Referring to Figure 16, embodiment of the invention C7 provides caller A to initiate IMS to called b and has called out, the flow process of final playing and calling CRBT, and concrete signaling process is following:
Step 0701, caller are provided with according to the user and the terminal iidentification of called b; Find the corresponding CRBT of called b and be designated " caller tone "; Judge playing and calling CRBT when caller A calls out called b, " caller tone " is added in the INVITE signaling;
Step 0702, caller send to caller CSCF with the INVITE signaling; Caller CSCF is according to the calling terminal identification of calling terminal identification in the INVITE signaling and HSS preservation and the customization relation of multimedia service; Judging caller A is the multimedia color ring back tone user; So caller CSCF sends to CRBT service provided to the calling party AS with the INVITE signaling, carry calling terminal identification, terminal called sign in the INVI TE signaling, caller is used to set up normal medium SDP (offer1) and " the caller tone " of calling;
Step 0703, CRBT service provided to the calling party AS judge the playing and calling CRBT according to " the caller tone " in the INVITE signaling, so trigger the CRBT service provided to the calling party flow process, promptly initiate step 0710: CRBT service provided to the calling party AS obtains the Early media SDP (offer2) of MRS;
Step 0704, CRBT service provided to the calling party AS send to caller CSCF, called CSCF with the INVITE signaling; Called CSCF is according to the terminal called sign of sign of the terminal called in the INVITE signaling and HSS preservation and the customization relation of multimedia service; Judge the called multimedia color ring back tone user that is, so called CSCF sends to CRBT service provided to the called party AS with the INVITE signaling;
Step 0705, CRBT service provided to the called party AS judge the playing and calling CRBT according to " the caller tone " in the INVITE signaling, so do not trigger the CRBT service provided to the called party flow process;
Step 0706~step 0727, with step 0105~step 0126.
If called among the invention described above embodiment is b '; And b ' is non-multimedia color ring back tone user; Signaling process as above; Difference is: called CSCF is according to the terminal called sign of sign of the terminal called in the INVITE signaling and HSS preservation and the customization relation of multimedia service in step 0704, and judging called b ' is non-multimedia color ring back tone user, so called CSCF directly sends to the INVITE signaling called; So there is not step 0705 yet; All the other steps such as embodiment of the invention C7; If promptly called is non-multimedia color ring back tone user; Then be provided with and resolve to " calling terminal is provided with the sign that indication triggers CRBT service provided to the calling party or CRBT service provided to the called party in call request, resolve the sign in the call request by CRBT service provided to the calling party AS ".
Referring to Figure 17, embodiment of the invention C8 provides caller A to initiate IMS to called e and has called out, and finally plays the flow process of CRBT service provided to the called party, and concrete signaling process is following:
Step 0801, caller are provided with according to the user and the terminal iidentification of called b; Find the corresponding CRBT of called b and be designated " callee tone "; Judge and when caller A calls out called b, play CRBT service provided to the called party, " callee tone " is added in the INVITE signaling;
Step 0802, caller send to caller CSCF with the INVITE signaling; Caller CSCF is according to the calling terminal identification of calling terminal identification in the INVITE signaling and HSS preservation and the customization relation of multimedia service; Judging caller A is the multimedia color ring back tone user; So caller CSCF sends to CRBT service provided to the calling party AS with the INVITE signaling, carry calling terminal identification, terminal called sign in the INVI TE signaling, caller is used to set up normal medium SDP (offer1) and " the callee tone " of calling;
Step 0803, CRBT service provided to the calling party AS judge the broadcast CRBT service provided to the called party according to " the callee tone " in the INVITE signaling, so do not trigger the CRBT service provided to the calling party flow process;
Step 0804, with step 0704;
Step 0805, CRBT service provided to the called party AS judge the broadcast CRBT service provided to the called party according to " the callee tone " in the INVITE signaling, so trigger the CRBT service provided to the called party flow process, promptly 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, called f related among embodiment of the invention C9, the embodiment of the invention C10 are the multimedia color ring back tone user; " calling terminal is provided with the sign that indication triggers CRBT service provided to the calling party or CRBT service provided to the called party in call request, resolve the sign in the call request by caller CSCF and called CSCF ".
Referring to Figure 18, embodiment of the invention C9 provides caller A to initiate IMS to called c and has called out, the flow process of final playing and calling CRBT, and concrete signaling process is following:
Step 0901, with step 0701;
Step 0902, caller INVITE signaling send to caller CSCF, carry calling terminal identification, terminal called sign in the INVITE signaling, caller is used to set up normal medium SDP (offer1) and " the caller tone " of calling;
Step 0903~step 0904, caller CSCF concern according to the customization of calling terminal identification of carrying calling terminal identification and HSS preservation in the INVITE signaling and Multimedia Ring Back Tone service; Judge that caller is the multimedia color ring back tone user; And judge the playing and calling CRBT according to " the caller tone " in the INVITE signaling; So the INVITE signaling is triggered to CRBT service provided to the calling party AS, follow-up just in steps 0911: CRBT service provided to the calling party AS obtains the Early media SDP (offer2) of MRS;
Step 0905, CRBT service provided to the calling party AS send to called CSCF via caller CSCF with the INVITE signaling;
Step 0906~step 0907, called CSCF judge the playing and calling CRBT according to " the caller tone " in the INVITE signaling, so directly send to the INVITE signaling called;
Step 0908~step 0933, with step 0106~step 0126.
Referring to Figure 19, embodiment of the invention C10 provides and has provided caller A to called f initiation IMS calling, finally plays the flow process of CRBT service provided to the called party, and concrete signaling process is following:
Step 1001, with step 0801;
Step 1002~step 1004, caller INVITE signaling send to caller CSCF; Carry calling terminal identification, terminal called sign in the INVITE signaling, caller is used to set up normal medium SDP (offer1) and " the callee tone " of calling; Caller CSCF judges the broadcast CRBT service provided to the called party according to " the callee tone " in the INVITE signaling, so directly the INVITE signaling is sent to called CSCF;
Step 1005, called CSCF concern according to the terminal called sign of carrying terminal called sign and HSS preservation in the INVITE signaling and the customization of Multimedia Ring Back Tone service; Judge that called is the multimedia color ring back tone user; And judge the broadcast CRBT service provided to the called party according to " the callee tone " in the INVITE signaling; So the INVITE signaling is triggered to CRBT service provided to the called party AS, the follow-up Early media SDP (offer2) that just has 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 related among the embodiment of the invention C11 are the multimedia color ring back tone user; At calling terminal the strategy that triggers CRBT service provided to the calling party or CRBT service provided to the called party is set, being resolved by calling terminal should strategy decision carrying out caller early media negotiation or called early media negotiation.
Referring to Figure 20, embodiment of the invention C11 provides caller A to initiate IMS to called d and has called out, the flow process of final playing and calling CRBT, and concrete signaling process is following:
The INVITE signaling is sent in step 1101, caller, carries calling terminal identification, terminal called sign and caller in the INVITE signaling and is used to set up the normal medium SDP (offer1) of calling;
Caller CSCF is according to the calling terminal identification of calling terminal identification of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service, and judging caller is the multimedia color ring back tone user, and call request is sent to CRBT service provided to the calling party AS;
Step 1102, CRBT service provided to the calling party AS arrive called CSCF with the INVITE signaling via caller CSCF; Called CSCF is according to the terminal called sign of terminal called sign of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service; Judge the called multimedia color ring back tone user that is; Then the INVITE signaling is sent to CRBT service provided to the called party AS, carry calling terminal identification, terminal called sign, offer1 this moment in the INVITE signaling;
Step 1103, CRBT service provided to the called party AS send to terminal called with the INVITE signaling through called CSCF;
Step 1104~step 1105, terminal called carry out normal media negotiation according to self-ability; Through called CSCF Temporary Response message is sent to CRBT service provided to the called party AS; Carry the normal medium SDP (answer1) after calling and called are consulted in the 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, are used to carry out the CRBT early media negotiation between the calling and called MRS;
Step 1107, CRBT service provided to the called party AS send to CRBT service provided to the calling party AS via called CSCF, caller CSCF with Temporary Response message;
Step 1108, CRBT service provided to the calling party AS obtain the Early media SDP (offer3) of caller MRS, are used to carry out the CRBT early media negotiation between caller and the caller MRS;
Step 1109, CRBT service provided to the calling party AS send to calling terminal through caller CSCF with Temporary Response message, and carry answer1, offer2, offer3 in the Temporary Response message this moment;
Step 1110~step 1111, calling terminal are provided with according to the user; And the terminal iidentification of called d; Judge when called should the playing and calling CRBT during for d, so calling terminal carries out CRBT service provided to the calling party early media negotiation (SDP after the negotiation is answer3), refuses the CRBT service provided to the called party early media negotiation simultaneously; Can in answer2, the calling terminal port be put 0, or medium direction attribute modification is only sent not " sendonly " of receiving media stream for expression;
Step 1112, calling terminal send to CRBT service provided to the calling party AS through caller CSCF with interim reliable response Prack signaling, carry CRBT service provided to the calling party Early media SDP (answer3) and CRBT service provided to the called party early media negotiation (answer2) after the negotiation in the signaling;
CRBT service provided to the calling party Early media SDP (answer3) after step 1113, CRBT service provided to the calling party AS will consult sends to caller MRS;
Step 1114, CRBT service provided to the calling party AS send to CRBT service provided to the called party AS with the Prack signaling via caller CSCF, called CSCF, carry CRBT service provided to the called party early media negotiation (answer2) in the signaling;
CRBT service provided to the called party Early media SDP (answer2) after step 1115, CRBT service provided to the called party AS will consult sends to called MRS;
Step 1116~step 1127, with step 0115~step 0126.
The entity of the network side of embodiment of the invention C1 in the embodiment of the 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 succinctly, Fig. 1~Figure 10 has only shown wherein part entity.
The calling and called correspondent entity also can be same entity; Possibly be same CSCF like caller CSCF and called CSCF; CRBT service provided to the calling party AS and CRBT service provided to the called party AS possibly be same CRBT AS; CRBT service provided to the calling party management system and CRBT service provided to the called party management system also possibly be same CRBT management system, and it is the embodiment of the invention of different entities that the present invention has only provided correspondent entity, for the situation of same entity can be by that analogy.
During actual deployment, can be not yet at the CSCF place judges whether ordered Ring Back Tone service, but directly be triggered to CRBT AS, come judges whether to order Ring Back Tone service and carry out subsequent operation by CRBT AS.Flow process and the foregoing description flow process are similar and more simple.
The technical scheme that the invention described above embodiment provides; Can realize calling RBT service in the IMS field; When caller and called subscriber are the multimedia color ring back tone user, can to the calling subscriber CRBT service provided to the calling party service or CRBT service provided to the called party service be provided according to the strategy decision of customization.
The calling subscriber can also be provided with CRBT and filter; If disposed the calling and called Ring Back Tone service simultaneously, the user can be provided with filtering main call and/or CRBT service provided to the called party, if filter CRBT service provided to the called party then the playing and calling CRBT; If filtering main call CRBT then play CRBT service provided to the called party; If filter calling and called CRBT (promptly do not listen the CRBT of called setting, also do not listen CRBT service provided to the calling party) simultaneously, then be the multimedia of play-overing storage by calling terminal.
The CRBT filtering policy can be arranged on calling terminal or CRBT filters among AS or the CRBT service provided to the calling party AS; Also can be arranged in the entity (like CRBT management system, user's network address book) that CRBT service provided to the calling party AS can visit, specifically can be with CRBT service provided to the calling party, the user who is arranged on similar table 1 is provided with in the table; For example; Like table 3, calling subscriber A is provided with when called and when being user J or user K, carries out CRBT filtration (filtering the calling and called CRBT simultaneously); When called when being user B, C, D, E, F, G, playing and calling CRBT (be equal to and filter CRBT service provided to the called party); When the called CRBT service provided to the called party (being equal to the filtering main call CRBT) of playing when other users:
Figure BDA0000137119910000221
Table 3
When not carrying out calling RBT service, CRBT filters business also can be carried out based on called RBT service separately, the user can be provided with to specific called, or determine whether filtering CRBT to filtering policys such as special period.
Embodiment C 12 has been described this scene; At this moment; Calling Side needn't have CRBT service provided to the calling party AS and caller MRS, but has a CRBT to filter AS, and the CRBT filtering policy is arranged on CRBT and filters AS; CRBT filters AS and in Invite, adds sign (CRBT filters sign), and CRBT service provided to the called party AS resolves sign and judges whether to carry out the CRBT flow process.Like accompanying drawing 21, Embodiment C 12 concrete signaling processes are following:
The INVITE signaling is sent in step 1201, caller, carries calling terminal identification, terminal called sign and caller in the INVITE signaling and is used to set up the normal medium SDP (offer1) of calling;
Caller CSCF filters professional customization relation according to the calling terminal identification and the multimedia color ring back tone of calling terminal identification of carrying in the INVITE signaling and HSS preservation; Judge caller and ordered multimedia color ring back tone filtration business, call request is sent to CRBT filter AS;
Step 1202, CRBT filter that AS is provided with according to the user and the terminal iidentification of called B, judge whether to filter CRBT, if not, handle by existing call flow, if CRBT is filtered sign " filter-tone " be added in the INVITE signaling;
Step 1203, CRBT filter AS the INVITE signaling are arrived called CSCF via caller CSCF; Called CSCF is according to the terminal called sign of terminal called sign of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service; Judge the called multimedia color ring back tone user that is; Then the INVITE signaling is sent to CRBT service provided to the called party AS, carry calling terminal identification, terminal called sign, offer1 and filter-tone in the INVITE signaling this moment;
Step 1204~step 1205, CRBT service provided to the called party AS judge the filtration CRBT service provided to the called party according to " filter-tone " in the INVITE signaling, do not trigger the CRBT flow process, and the INVITE signaling is sent to terminal called through called CSCF;
Step 1206~step 1207, terminal called carry out normal media negotiation according to self-ability; Through called CSCF Temporary Response message is sent to CRBT service provided to the called party AS; Carry the normal medium SDP (answer1) after calling and called are consulted in the signaling, this response message can be 183 signalings;
Step 1208, CRBT service provided to the called party AS send to CRBT via called CSCF, caller CSCF with Temporary Response message and filter AS;
Step 1209, CRBT filter AS and via caller CSCF 183 signalings are sent to calling terminal, carry answer1 in the signaling;
Step 1210, calling terminal send to CRBT through caller CSCF with interim reliable response Prack signaling and filter AS;
Step 1211~step 1212, CRBT filter AS the Prack signaling are sent to terminal called;
Step 1213~step 1215, terminal called are replied and are responded to calling terminal;
Step 1216~step 1218, dialed terminal bell send bell signal 180 to calling terminal;
Step 1219, calling terminal are play the multimedia that self stores;
Step 1220~step 1222, called off-hook, terminal called sends off hook signal 200 responses to calling terminal, after calling terminal is received, stops play multimedia.
Judge whether to trigger the CRBT service provided to the called party flow process by CRBT service provided to the called party AS in the foregoing description; Can also judge whether to be triggered to CRBT service provided to the called party AS by called CSCF, shown in figure 22, embodiments of the invention C13 and C12 difference are; After called CSCF receives the INVITE signaling; Directly judge the filtration CRBT service provided to the called party, be not triggered to CRBT AS, the INVITE signaling is sent to terminal called according to " filter-tone " in INVITE signaling sign;
An alternative embodiment of the invention is when CRBT filtration AS judges needs filtration CRBT; In the INVITE signaling of sending, do not add " filter-tone " sign; But after receiving CRBT Early media offer; Refusal CRBT media negotiation or carry out the negotiation of part of media type is specially shown in figure 23ly, comprising:
Step 1401, with step 1201
Step 1402, CRBT filter the terminal iidentification of AS according to user's setting and called B, judge whether to filter CRBT;
Step 1403, CRBT filter AS the INVITE signaling are arrived called CSCF via caller CSCF; Called CSCF is according to the terminal called sign of terminal called sign of carrying in the INVITE signaling and HSS preservation and the customization relation of Multimedia Ring Back Tone service; Judge the called multimedia color ring back tone user that is, then the 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;
Step 1405, CRBT service provided to the called party AS send to terminal called with the INVITE signaling through called CSCF, carry calling terminal identification, terminal called sign and caller this moment in the INVITE signaling and are used to set up the normal medium SDP (offer1) of calling;
Step 1406~step 1407, terminal called carry out normal media negotiation according to self-ability, through called CSCF 183 signalings are sent to CRBT service provided to the called party AS, carry the normal medium SDP (answer1) after calling and called are consulted in the signaling;
Step 1408, CRBT service provided to the called party AS send to CRBT via called CSCF, caller CSCF with 183 signalings and filter AS, carry normal medium SDP (answer1) and the Early media SDP (offer2) of called MRS after calling and called are consulted in 183 signalings;
Step 1409, CRBT filter the terminal iidentification of AS according to user's setting and called B, judge whether to filter CRBT, if then delete the offer2 in 183 signalings that calling terminal is transmitted;
Step 1410, CRBT filter AS 183 signalings are sent to calling terminal via caller CSCF with 183 signalings, carry normal medium SDP (answer1) in the signaling;
Step 1411, calling terminal send to CRBT through caller CSCF with interim reliable response Prack signaling and filter AS;
Step 1412, CRBT are filtered AS and in answer2, the calling terminal port are put 0, expression refusal CRBT early media negotiation, and the prack signaling that will carry answer2 sends to CRBT AS;
Step 1413, CRBT AS send to Media Resource Server MRS with answer2
Step 1414~step 1423, with step 1212~step 1218, step 1220~step 1222.
The CRBT filtering policy can also be arranged in the calling terminal, when calling terminal makes a call, judges whether that according to the CRBT filtering policy needs filter CRBT, if desired, just in the INVITE signaling, adds and filters sign " filter-tone "; If do not need, then do not add.Similar with Embodiment C 12, CRBT service provided to the called party AS judges the filtration CRBT service provided to the called party according to " filter-tone " in the INVITE signaling, does not trigger the CRBT flow process.Also can be similar with Embodiment C 13, judge the filtration CRBT service provided to the called party by called CSCF according to " filter-tone " in the INVITE signaling, be not triggered to CRBT AS.
An alternative embodiment of the invention is to be arranged in the calling terminal for the CRBT filtering policy; Do not change the flow process of network processes; After calling terminal is received CRBT Early media offer, when carrying out the CRBT filtration according to CRBT filtering policy judgement needs, refusal CRBT media negotiation; Specifically can be through in the answer2 that returns, caller port 0 the mode of putting being realized, also can normally carry out the CRBT media negotiation but follow-up refusal is opened media channel or refusal coloring ring back tone playing.
The embodiment of a server of the present invention is shown in figure 24, comprising:
Receiving element is used to receive the call request that calling terminal is initiated;
Judging unit is used for judging whether that according to said call request needs filter CRBT;
Filter element filters CRBT according to judged result;
Policy unit is used to store the CRBT filtering policy, and server also filters CRBT according to the CRBT filtering policy judgement needs of storage.
The embodiment at a terminal of the present invention is shown in figure 25, comprising:
Transmit-Receive Unit: the request that is used to make a call receives the request of CRBT early media negotiation;
Policy unit is used to store the CRBT filtering policy;
Filter element is used for judging whether that according to the CRBT filtering policy of storage needs filter CRBT, according to judged result refusal CRBT media negotiation, or the refusal coloring ring back tone playing, or refusal is opened media channel.
In addition, in the user shown in the table 1 was provided with, the user can also carry out a kind of like this setting: if CRBT service provided to the called party is arranged, so with regard to the selective reception CRBT service provided to the called party; Otherwise reception CRBT service provided to the calling party.Owing to can't know the called Ring Back Tone service of whether having ordered in the caller territory; So CRBT service provided to the calling party AS can't judge whether start the CRBT flow process when initially receiving call request; The call request response that CRBT service provided to the calling party AS returns through judging callee side; SDP type, P-early-media header field according to response have judged whether CRBT service provided to the called party, perhaps after triggering the CRBT flow process, in the call request response, carry CRBT through CRBT service provided to the called party AS and identify and realize.Explain with 3 concrete embodiment below.
Embodiment shown in figure 26 is that the CRBT service provided to the called party server adopts the 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 inspection CRBT service provided to the calling party priority is provided with, and does not temporarily start the CRBT flow process;
If the 2603 called CRBT service provided to the called parties of having ordered, then call request triggers is to CRBT service provided to the called party AS; The called CRBT service provided to the called party of having ordered of hypothesis in the present embodiment.
2604-2605, CRBT service provided to the called party AS forwarded call request are arrived called, called 183 Temporary Responses that return;
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 called party AS sends and to have 183 of Early media early-session SDP and respond CRBT service provided to the calling party AS;
2608, CRBT service provided to the calling party AS judges the called CRBT that has according to the early-session SDP that carries in 183 responses, does not therefore start the CRBT service provided to the calling party flow process.If do not carry early-session SDP, then thinking does not have CRBT service provided to the called party, therefore starts CRBT service provided to the calling party;
2609-2616, completion CRBT service provided to the called party media negotiation;
2617-2620, calledly return 180 and respond caller, CRBT service provided to the called party AS is to the caller coloring ring back tone playing;
2621, called answering, CRBT service provided to the called party AS stops coloring ring back tone playing, and calling and called begin conversation.
Embodiment shown in figure 27 is that the CRBT service provided to the called party server adopts the gateway mode of supporting 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 inspection CRBT service provided to the calling party priority is provided with, and does not temporarily start the CRBT flow process;
If the 2703 called CRBT service provided to the called parties of having ordered, then call request triggers is to CRBT service provided to the called party AS; The called CRBT service provided to the called party of having ordered of hypothesis in the present embodiment.
2704-2705, CRBT service provided to the called party AS forwarded call request are arrived called, called 183 Temporary Responses that return;
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 called party AS sends and to have 183 of P-early-media header field and respond CRBT service provided to the calling party AS;
2708, CRBT service provided to the calling party AS judges the called CRBT that has according to the P-early-media header field that carries in 183 responses, does not therefore start the CRBT service provided to the calling party flow process.If do not carry the 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, completion CRBT service provided to the called party media negotiation;
2716-2719, calledly return 180 and respond caller, CRBT service provided to the called party AS is to the caller coloring ring back tone playing.
2720, called answering, CRBT service provided to the called party AS stops coloring ring back tone playing, and calling and called begin conversation.
Embodiment shown in figure 28 adds the CRBT sign to realize CRBT after the CRBT service provided to the called party startup of server CRBT flow process, comprise 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 inspection CRBT service provided to the calling party priority is provided with, and does not temporarily start the CRBT flow process;
If the 2803 called CRBT service provided to the called parties of having ordered, then call request triggers is to CRBT service provided to the called party AS; The called CRBT service provided to the called party of having ordered of hypothesis in the present embodiment.
2804-2805, CRBT service provided to the called party AS forwarded call request are arrived called, called 183 Temporary Responses that return;
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 called party AS sends and to have 183 of CRBT service provided to the called party sign and respond CRBT service provided to the calling party AS;
2808, CRBT service provided to the calling party AS judges the called CRBT that has according to the CRBT service provided to the called party sign of carrying in 183 responses, does not therefore start the CRBT service provided to the calling party flow process.If do not carry the CRBT service provided to the called party sign, then thinking does not have CRBT service provided to the called party, therefore starts CRBT service provided to the calling party;
2809-2816, completion CRBT service provided to the called party media negotiation;
2817-2820, calledly return 180 and respond caller, CRBT service provided to the called party AS is to the caller coloring ring back tone playing;
2821, called answering, CRBT service provided to the called party AS stops coloring ring back tone playing, and calling and called begin conversation.
For realizing the foregoing description, the present invention also provides a kind of CRBT AS, and is shown in figure 29, comprising:
Transmit-Receive Unit is used to receive the call request that calling terminal is initiated, and call request is sent to called, and receives the called call message of returning;
Policy unit is used to preserve the strategy of coloring ring back tone playing;
Broadcast unit, the user according to the strategy of coloring ring back tone playing and said 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 changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.

Claims (12)

1. a method that realizes that multimedia color ring back tone filters is characterized in that, comprising:
Receive the call request that calling terminal is initiated;
Judge whether that according to said call request needs filter CRBT;
Filter CRBT according to judged result.
2. the method for claim 1 is characterized in that, said filtration CRBT is the filtering main call CRBT and/or filters CRBT service provided to the called party.
3. according to claim 1 or claim 2 method; It is characterized in that; Comprise CRBT in the said call request and filtered sign; Judge whether that according to said CRBT filtration sign needs filter CRBT, it is that the terminal is added in the said call request according to the CRBT filtering policy of storing that said CRBT filters sign.
4. method as claimed in claim 3 is characterized in that, saidly filters sign according to CRBT and judges whether that needs filter CRBT and specifically comprise: the CRBT application server AS is filtered sign according to said CRBT and is judged whether to carry out the CRBT flow process; Perhaps, CSCF server CSCF filters sign according to said CRBT and judges whether to be triggered to the CRBT application server AS.
5. the method for claim 1; It is characterized in that; Saidly judge whether that according to call request needs filter CRBT and specifically comprise: CRBT filters AS and judges needs filtration CRBT according to the CRBT filtering policy of call request and storage; In the call request of transmitting, add CRBT and filter sign, CRBT application server AS or CSCF server CSCF filter sign according to said CRBT and judge whether that needs filter CRBT.
6. method as claimed in claim 5; It is characterized in that said CRBT application server AS or CSCF server CSCF filter sign according to CRBT and judge whether that needs filter CRBT and specifically comprise: the CRBT application server AS is filtered sign according to said CRBT and judged whether to carry out the CRBT flow process; Perhaps, CSCF server CSCF filters sign according to said CRBT and judges whether to be triggered to the CRBT application server AS.
7. the method for claim 1 is characterized in that, saidly judges whether that according to call request needs filter CRBT and are specially: CRBT filtration applications server A S judges whether needs filtration CRBT according to the CRBT filtering policy of said call request and storage; Saidly filter CRBT according to judged result and be specially: according to judged result refusal CRBT early media negotiation.
8. like claim 5 or 6 described methods, it is characterized in that said CRBT filtration applications server A S is the CRBT service provided to the calling party application server AS.
9. a method that realizes that multimedia color ring back tone filters is characterized in that, comprising:
The calling terminal request of making a call receives the request of CRBT early media negotiation;
CRBT filtering policy according to storage judges whether that needs filter CRBT;
According to judged result refusal CRBT media negotiation, or the refusal coloring ring back tone playing, or refusal is opened media channel.
10. a server is characterized in that, comprising:
Receiving element is used to receive the call request that calling terminal is initiated;
Judging unit is used for judging whether that according to said call request needs filter CRBT;
Filter element filters CRBT according to judged result.
11. server as claimed in claim 10 is characterized in that, also comprises:
Policy unit is used to store the CRBT filtering policy, and server also filters CRBT according to the CRBT filtering policy judgement needs of storage.
12. a terminal is characterized in that, comprising:
Transmit-Receive Unit, the request that is used to make a call receives the request of CRBT early media negotiation;
Policy unit is used to store the CRBT filtering policy;
Filter element is used for judging whether that according to the CRBT filtering policy of storage needs filter CRBT, according to judged result refusal CRBT media negotiation, or the refusal coloring ring back tone playing, or refusal is opened media channel.
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CN111212192A (en) * 2018-11-21 2020-05-29 中国电信股份有限公司 Method and device for playing voice when IMS fixed-line user dials VOLTE user
CN112188008A (en) * 2020-09-18 2021-01-05 上海欣方智能系统有限公司 Multimedia color ring system based on IMS network

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CN100531266C (en) * 2005-02-21 2009-08-19 Ut斯达康通讯有限公司 Method and system for implementing user configurated ring back tone service
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CN111212192A (en) * 2018-11-21 2020-05-29 中国电信股份有限公司 Method and device for playing voice when IMS fixed-line user dials VOLTE user
CN112188008A (en) * 2020-09-18 2021-01-05 上海欣方智能系统有限公司 Multimedia color ring system based on IMS network

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