CN101227303B - Method for sending customized ring back tone and color image as well as method for sending early media - Google Patents
Method for sending customized ring back tone and color image as well as method for sending early media Download PDFInfo
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- CN101227303B CN101227303B CN2007100007528A CN200710000752A CN101227303B CN 101227303 B CN101227303 B CN 101227303B CN 2007100007528 A CN2007100007528 A CN 2007100007528A CN 200710000752 A CN200710000752 A CN 200710000752A CN 101227303 B CN101227303 B CN 101227303B
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Abstract
The invention provides a method for sending color rings and color images and a method for sending early mediums, the method for sending the color rings and the color images comprises: launching a call by a calling terminal, obtaining color ring early medium message and color images early medium message by a calling PSS AS, sending the message to a called PSS AS by the calling PSS AS, identifying a color ring early medium response by the called PSS AS, alternating with a color ring application server, sending a successful response to the called PSS AS by a called terminal, alternating between the called PSS AS and a color image application server, sending a ringing response by the called terminal, noticing the color ring application server to play a color ring after the ringing response is received, and noticing the color image application server to play a color image to a called terminal after the ringing response is received, thereby the invention not only can provide color ring services and color image services and simultaneously provides practical service procedures for the calling terminal and the called terminal but also can solve color ring medium and color image medium are simultaneously carried in a signaling, which enables one-time calling to support both the color ring service and the color image service.
Description
Technical field
The present invention relates to communication field, more specifically, relate to a kind of at IP Multimedia System (IMS, IP Multimedia Subsystem) in, when the calling subscriber has color image service, when simultaneously the called subscriber had Ring Back Tone service, the sending method of supporting the CRBT of color image service and Ring Back Tone service and polychrome simultaneously was with media transmitting method early.
Background technology
Along with networks development, people are more and more to the demand of communication, wish to have in communication colourful user experience.
Traditional communication network (such as, fixed telephone network (PSTN), mobile telephone network (PLMN) and emerging next-generation communication network (NGN)) in, when calling is called, caller by hear one section repetition " too ... pout " ring-back tone judge the whether ring of callee's terminal equipment, and the callee can be by the caller rs number that shows on the terminal equipment, judge calling party's identity, Here it is CLIP service.
New network technology, the ring-back tone that can allow the calling party hear, no longer be simple, machine-made " too ... pout " sound, but can allow the user hear various sound, comprise melodious music, interesting message etc., company and government organs can allow ring-back tone become the exploitation of this mechanism, and this is called as Ring Back Tone service (or personalized ring back tone service).If calling terminal is supported video capability, Ring Back Tone service also can be put one section video image to caller.Above-mentioned this business is provided with by the called subscriber, and CRBT is used for playing to the calling party.Can play corresponding CRBT file to the calling subscriber according to the prior preset condition of called subscriber.For example, can play different CRBT files, play different CRBT files in the different time periods according to calling subscriber's difference.
When callee's terminal receives incoming call, can no longer play simple ring back tone, network can be to one section sound of callee's terminal plays or video image (this sound/image be that the broadcast of the media file that set in advance by the calling subscriber produces), and this is called as color image service.Color image service is provided with by the calling subscriber, shows to callee user.Color image service can be play corresponding polychrome file to the called subscriber according to the prior preset condition of user.For example, can play different polychrome files according to called subscriber's difference, the different polychrome file of playing in the different time periods.
In order to satisfy the needs of multimedia communication, third generation partner program (3GPP) has been introduced IP Multimedia System (IP MultimediaSubsystem on the basis of original packet carrying network, be designated hereinafter simply as IMS), IMS can not only provide traditional voice service to the user, also can provide abundant multimedia to experience to the user.
Fig. 1 has described the basic framework of IMS network.As shown in Figure 1, the main network element of IMS comprises: controlling call entity (Call Session Control Function, hereinafter referred is CSCF) 104, home subscriber server (Home Subscriber Server, hereinafter referred is HSS) 102 and application server (Application Server, hereinafter referred is AS) 106.
CSCF 104 is divided into three types: S-CSCF (Serving-Call Session ControlFunction, serving CSCF) 104-1, P-CSCF (Proxy-Call Session ControlFunction, proxy CSCF) 104-2 and I-CSCF (Interrogating CSCF, inquiry CSCF) (not shown in figure 1).P-CSCF 104-2 can be in the Access Network of the current location of user, insert first contact network element of IMS network as the user, user's SIP (Session Initiation Protocol, initial session protocol) call signaling is forwarded to IMS core net (signaling protocol of controlling as calling with the SIP signaling in the IMS network).I-CSCF can finish the function of network internal Information hiding, network enabled safety.S-CSCF 104-1 finishes basic CCF as the controlling call entity of core, and the interface with application server is provided.
The user is when application is professional, need increase corresponding CAMEL-Subscription-Information among the HSS 102 under the user, emphasis is a professional pairing initial filter criteria (IFC) in the CAMEL-Subscription-Information, has comprised the trigger condition that certain is professional and the triggering address of service server/application server among the IFC.Each PUI (Public User Id, expression user ID) can corresponding several IFC.S-CSCF must check corresponding IFC according to PUI, and call request is forwarded to certain application server receiving that initial call asks.
Wherein, Media Stream in the IMS network and signaling flow all carry by Packet Based Network.Media Stream not only comprises voice, also can comprise data, image, video, other acoustic medium etc.Call control information and media characteristic information are also referred to as the media characteristic description or abbreviate media information as, all pass through the transmission of SIP signaling.The participant of calling out is allowed to use media characteristic information to remove to set up media channel and transmits Content of Communication, such as the sound of proper communication, ring back tone, CRBT, polychrome etc.
In addition, in the SIP signaling, use SDP (Session Description Protocol, Session Description Protocol) to describe media characteristic information.Media characteristic information comprise communication medium type (such as, audio frequency, video and image etc.), media coding type, host-host protocol, transmit port, sample rate etc.When calling terminal and terminal called obtain the other side's media characteristic information respectively (this process is finished by offer/answer process described below), can set up a media channel.When the terminal called off-hook, medium (being the voice call content) just can have been transmitted.
In the IMS network, the typical process that two user terminals are set up conversation below will specifically describe as shown in Figure 2, wherein, for simplicity, omit the network element (P-CSCF, S-CSCF and AS) between two user terminals.
Fig. 2 shows the flow chart that two user terminals are set up conversation, and as shown in Figure 2, concrete steps comprise:
Step 201: user A is to the user B request of making a call (the Invite message among the SIP), and (in the SIP signaling, this is called one provides, and below is abbreviated as offer wherein to have carried the media information that the terminal of user A supports.
Step 202: user B returns a calling procedure indication (response of 183 among the SIP), wherein, the media information that has carried the terminal of user B (is called among the SIP and replys, below be abbreviated as answer), like this, a complete offer/answer process has just been finished, and can set up the media channel between calling subscriber A and the calling subscriber B.
Offer/answer mechanism is meant the process that the medium of calling and called terminal room exchange mutually.Wherein, caller or called elder generation provide the media description information of oneself in signaling, be called offer, and receive signaling of this band offer when the other end after, in the signaling of responding with on oneself media description information, be called answer.Answer is started behind the terminal check of offer, and whole media consultation process has just been finished, and can set up media channel.
Step 203: user A returns a reliable affirmation (the PRACK message among the SIP) and gives user B;
Step 204: user B returns success response (response of 200 among the SIP);
Step 205: the terminal of user B begins ring, returns ring response (response of 180 among the SIP), and when the terminal of user A was received the ring response, user A can hear ring-back tone;
Step 206: user B off-hook, then terminal B returns success response and gives user A; And
Step 207: user A sends out acknowledge message and gives user B.
So far, set up Media Stream according to the media resource that consults between two user terminals and connect, promptly entered normal communication process.
For purposes such as chargings, according to the RFC3261 agreement, only after step 206 (being that the callee returns the 200OK response at the INVITE request), network just allows two Media Stream intercommunications between the user terminal, has just entered normal communication process.
Above flow process exists a significant deficiency with respect to conventional communication networks, be that the ring-back tone that user A is heard is sent voluntarily by user terminal A, if network is want to play some characteristic ring-back tones or signal language (as " user is busy; please dial after a while again ") to user A before user B off-hook, above flow process just can't have been supported.
For this reason, normal structure such as 3GPP has proposed the notion of medium (Early Media) early.So-called medium early exactly can be between two users or the Media Stream that transmits between user and the network before user B off-hook.All belong to medium early as preceding characteristic ring-back tone, signal language.For supporting the transmission of medium early; RFC 3959 (" The Early Session DispositionType for the Session Initiation Protocol (SIP) ") has designed the mechanism of session (EarlySession) early; increased a content disposition header (Content-Dispositionheader); wherein; session (early-session) early or early medium be used to transmit early-media information before the normal talking, normal conversation (session) or normal medium are used to transmit the normal talking media information.Early-media information can transmit in a piece of news simultaneously with normal media information.
In RFC3959 and RFC3960, carry the feasibility of normal medium (session) and medium morning (early session) in the proposition signaling, in signaling, adopt normal medium of following field identification and medium morning:
Content-Type：application/sdp
Content-Disposition:session (representing normal medium)
Content-Disposition:early-session (expression is medium early).
By such mechanism, just can solve normal talking before, play the problem of some characteristic ring-back tones or signal language for calling subscriber A.Like this, the media information of characteristic ring-back tone or signal language by morning medium carry, and the media information of normal talking is carried by normal medium.
If but carry two medium early in the signaling, and the prior protocols field can't be distinguished two medium early, and this process will be described in Fig. 4.
Fig. 3 shows early medium and the normally call flow diagram of medium, as shown in Figure 3, may further comprise the steps:
Step 301-302: caller A sends call request to called B, and called B returns the conversation procedure indication, compares with Fig. 2, calling and called are finished normal media consultation process among Fig. 2 in this two step, but in Fig. 3,302 have added early-offer, that is the offer of medium early;
Step 303-304: caller A sends reliable affirmation to called B, and called B success response is compared with Fig. 2, and two steps of this among Fig. 2 are not with medium, but in Fig. 3,303 have added early-answer, that is, and and as the answer of early-offer in 302 steps,
At this moment, early medium are consulted to finish between calling and called.Can play Media Stream morning.As characteristic ring-back tone, signal language etc.;
Step 305: behind the called B off-hook, return success response and give caller A; And
Step 306: caller A returns acknowledge message and gives called B.
Like this, user A and user B consult the media information of normal conversation in step 301,302, consult the media information of session early in step 302,303, and (Offer)-reply (Answer) mechanism is adopted all that SIP is existing and provides in two kinds of negotiations.
At user B off-hook (step 305) before, can transmit medium early between two users; In case and behind the user B off-hook, early medium promptly stop to transmit, normal medium begin to transmit.
Utilize conversation mechanism early, can realize characteristic ring-back tone or the signal language identical with conventional communication networks.Further, can utilize the CRBT of conversation mechanism realization early, color image service.
Ring Back Tone service is called subscriber's a characteristic service, and when user A calling party B (called subscriber), before user B off-hook, the CRBT AS on the network need play the CRBT sound that user B is customized to user A.Obviously, can utilize conversation mechanism early, with the CRBT sound as morning communicate give user A.
Color image service is calling subscriber's a characteristic service, and when user A (calling subscriber) calling party B, before user B off-hook, the polychrome AS on the network can send one section polychrome (as a width of cloth picture, one section video) that user A is customized to user B.Obviously, can utilize conversation mechanism early, with this section medium as morning communicate give user B.
If in a calling, calling subscriber A has color image service, called subscriber B has Ring Back Tone service simultaneously, so, will form flow process shown in Figure 4.
As shown in Figure 4, AS 1 is polychrome AS, and AS 2 is CRBT AS.Because network elements such as P-CSCF, S-CSCF are all transmitted relevant signaling, do not influence the introduction of operation flow, so skipped over description of them among the figure.Concrete steps comprise:
Step 401: the user A request of making a call by the forwarding of AS 1 with AS 2, is dealt into user B;
Step 402-404: user B callback is given AS 2 process Indication message (response of 183 among the SIP), and AS 2 issues AS 1 (being the CRBT offer of medium early) to the media description information that adds oneself in this message as offer.AS 1 gives caller A this forwards;
Step 405: user A returns reliable affirmation (the PRACK message among the SIP) and gives AS 1, wherein carried user A to AS 2 morning medium offer medium answer morning;
Step 406:AS 1 has added the media description information of oneself in reliable acknowledge message, promptly AS 1-offer (polychrome is the offer of medium early) issues AS 2.Attention: in this message, be with two medium (all at most only having a medium existence early in other message) early;
After step 407:AS 2 receives reliable acknowledge message,, then delete in the message and own relevant medium early, AS 1 relevant medium morning are issued called B because answer to own medium is wherein arranged;
Step 408-409: user B produces the polychrome answer of medium early to receiving the offer in the reliable affirmation, is placed on and beams back AS 2 in the success response.AS 2 arrives AS 1 to the success response forwards; And
Step 410:AS 1 after medium answer deletion morning relevant with oneself, is transmitted to user A in the success response message.
At this moment, media negotiation morning between AS 2 and caller A is finished.Medium morning between AS 1 and the called B are also consulted to finish.AS 2 puts CRBT for caller A.AS 1 puts polychrome for called B.
But, in the prior art, how regulation does not distinguish two early-media informations in a piece of news, like this, in the step 406 of above-mentioned flow process, AS 1 and AS 2 just can't distinguish in two early-media informations, and which, medium were to be used for Ring Back Tone service morning, and which early-media information is to be used for color image service.
In the same way, two early the scenes in signaling, used simultaneously of medium can followingly describe: before caller A and called B set up conversation, AS 1 wanted to send out one section medium and gives B, and AS 2 also wants to send out one section medium to A simultaneously.Therefore, be badly in need of a kind of method, can in IP Multimedia System, support carrying of at least two early-media informations simultaneously, and give caller or different medium morning of called broadcast simultaneously respectively.The voice and packet data concurrent service flow process of Ring Back Tone service and color image service is exactly the important application scene of this method.
Summary of the invention
In order to address the above problem, the present invention proposes a kind of CRBT and polychrome sending method with media transmitting method early, be used for solving prior art and can't in a piece of news, carry or distinguish two problems of medium early.
One aspect of the present invention, a kind of CRBT and polychrome sending method are provided, be used for realizing Ring Back Tone service and color image service simultaneously at IP Multimedia System, it is characterized in that, may further comprise the steps: step S502, calling terminal makes a call, mutual through between caller PSTN/ISDN analog service application server and called PSTN/ISDN analog service application server and corresponding CRBT application server and the polychrome application server, caller PSTN/ISDN analog service application server obtains CRBT early-media information and polychrome early-media information; Step S504, caller PSTN/ISDN analog service application server sends message to called PSTN/ISDN analog service application server, wherein carry in the message CRBT that returns from calling terminal early the polychrome returned of media answer information and polychrome application server early medium information is provided; Step S506, called PSTN/ISDN analog service application server recognize CRBT media answer information morning in the received message, and be mutual with the CRBT application server, to set up the media channel between calling terminal and the CRBT application server; Step S508, called PSTN/ISDN analog service application server sends polychrome medium morning to terminal called and gives information, terminal called receives polychrome medium morning and provides after the information, send the success response that carries the polychrome response message to called PSTN/ISDN analog service application server, caller PSTN/ISDN analog service application server is after receiving the polychrome response message of transmitting from called PSTN/ISDN analog service application server, mutual with the polychrome application server, to set up the media channel between terminal called and the polychrome application server; And step S510, terminal called sends the ring response, after called PSTN/ISDN analog service application server is received the ring response, notice CRBT application server is to the calling terminal coloring ring back tone playing, and after caller PSTN/ISDN analog service application server was received the ring response, notice polychrome application server was play polychrome to terminal called.
CRBT according to an aspect of the present invention and polychrome sending method also comprise: behind the terminal called off-hook, send success response message to called PSTN/ISDN analog service application server, called PSTN/ISDN analog service application server can be sent out call release request to the CRBT application server, the CRBT application server returns success response, and the CRBT application server stops coloring ring back tone playing then.In addition, also comprise: the success response information that called PSTN/ISDN analog service application server sends terminal called is transmitted to caller PSTN/ISDN analog service application server, caller PSTN/ISDN analog service application server is sent out call release request to the polychrome application server, the polychrome application server returns success response, and the polychrome application server stops to play polychrome then.
According to an aspect of the present invention, message is the SIP signaling, wherein CRBT early media answer information and polychrome early medium information is provided is to realize by two medium type values of definition in the content-Disposition field in the initial session protocol signaling.Medium type comprises: polychrome is medium and CRBT medium morning early.
According to an aspect of the present invention, step S502 is specially: calling terminal sends call request by caller PSTN/ISDN analog service application server, the called PSTN/ISDN analog service application server of process to terminal called; When terminal called returns when response to called PSTN/ISDN analog service application server, called PSTN/ISDN analog service application server sends call request message and receives the response message that is sent by the CRBT application server to the CRBT application server, carries the CRBT medium in the response information is provided; CRBT medium in the response message that called PSTN/ISDN analog service application server returns the CRBT application server provide information, change into CRBT medium morning information is provided, be placed in the response message, send to caller PSTN/ISDN analog service application server, caller PSTN/ISDN analog service application server is transmitted to the calling subscriber with response message, and the calling subscriber returns to caller PSTN/ISDN analog service application server and carries the CRBT reliable acknowledge message of media answer information early; And caller PSTN/ISDN analog service application server sends call request message to the polychrome application server, the polychrome application server returns and carries the response message that the polychrome medium provide information, caller PSTN/ISDN analog service application server provides information with the polychrome medium of receiving, changes into polychrome medium morning information is provided.
In addition, step S506 is specially: called PSTN/ISDN analog service application server extracts CRBT media answer information early from message, convert CRBT media answer information to, and send to the CRBT application server, the CRBT application server sends success response message.
Step S508 is specially: called PSTN/ISDN analog service application server sends reliable acknowledge message to terminal called, wherein carry polychrome medium morning information is provided, terminal called returns success response message, wherein carry polychrome media answer information early, called PSTN/ISDN analog service application server is transmitted to caller PSTN/ISDN analog service application server with success response information; And caller PSTN/ISDN analog service application server with the polychrome received early media answer information change into polychrome media answer information, be placed on and send to the polychrome application server in the reliable acknowledge message, the polychrome application server returns success response message.
Another aspect of the present invention also provides a kind of media transmitting method, be used for realizing at least two kinds of media business simultaneously at IP Multimedia System, it is characterized in that, may further comprise the steps: step S702, calling terminal makes a call, mutual through between caller PSTN/ISDN analog service application server and called PSTN/ISDN analog service application server and the corresponding media application server, caller PSTN/ISDN analog service application server obtains at least two early-media informations; Step S704, caller PSTN/ISDN analog service application server sends signaling to called PSTN/ISDN analog service application server, wherein carries the information that corresponds respectively at least two early-media informations in the signaling; And step S706, caller PSTN/ISDN analog service application server carries out respective handling according at least two early-media informations in the signaling that receives, and terminal called carries out respective handling according at least one early-media information in the signaling that receives.
Wherein, medium comprise CRBT and polychrome.Signaling is the SIP signaling, wherein at least two early media information be to realize by the medium type of the content-Disposition field in the definition SIP signaling.Medium type comprises: polychrome is medium and CRBT medium morning early.
In RFC3959 and RFC3960, in order to distinguish two medium early, the application has expanded the medium type of content disposition head (Content-Disposition) in the SIP signaling, to represent the medium of polychrome, CRBT, is expressed as follows:
Content-Type：application/sdp
Content-Disposition:x-mcid-session (the expression polychrome is medium early)
Content-Disposition:x-crbt-session (the expression CRBT is medium early).
Thereby, by the present invention, solved the problem that CRBT medium and polychrome medium carry simultaneously in signaling, can support CRBT and color image service simultaneously in the call.In addition, by the present invention, intermediate NE (refer to the network element between caller PSS AS and called PSS AS, comprise S-CSCF, I-CSCF etc.) only needs transparent transmission for the medium type of the expansion of nonrecognition, can wrongly not handle.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the basic framework figure of IMS network in the correlation technique;
Fig. 2 is the typical call flow figure of IMS network in the prior art;
Fig. 3 is early medium and the normally call flow diagram of medium;
Fig. 4 is two call flow diagrams of medium early;
Fig. 5 is the flow chart according to CRBT of the present invention and polychrome sending method;
Fig. 6 is the entire flow figure of Ring Back Tone service and color image service according to an embodiment of the invention; And
Fig. 7 is the flow chart according to media transmitting method of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 5 is the flow chart according to CRBT of the present invention and polychrome sending method, and as shown in Figure 5, this method comprises:
Step S502, calling terminal makes a call, mutual through between caller PSTN/ISDN analog service application server and called PSTN/ISDN analog service application server and corresponding CRBT application server and the polychrome application server, caller PSTN/ISDN analog service application server obtains CRBT early-media information and polychrome early-media information;
Step S504, caller PSTN/ISDN analog service application server sends message to called PSTN/ISDN analog service application server, wherein carry in the message CRBT that returns from calling terminal early the polychrome returned of media answer information and polychrome application server early medium information is provided; Step S506, called PSTN/ISDN analog service application server recognize CRBT media answer information morning in the received message, and be mutual with the CRBT application server, to set up the media channel between calling terminal and the CRBT application server;
Step S508, called PSTN/ISDN analog service application server sends message to terminal called, wherein there are polychrome medium morning that information is provided, terminal called receives polychrome medium morning and provides after the information, send the success response that carries the polychrome response message to called PSTN/ISDN analog service application server, caller PSTN/ISDN analog service application server is after receiving the polychrome response message of transmitting from called PSTN/ISDN analog service application server, mutual with the polychrome application server, to set up the media channel between terminal called and the polychrome application server; And
Step S510, terminal called sends the ring response, after called PSTN/ISDN analog service application server is received the ring response, notice CRBT application server is to the calling terminal coloring ring back tone playing, and after caller PSTN/ISDN analog service application server was received the ring response, notice polychrome application server was play polychrome to terminal called.
In addition, CRBT and polychrome sending method are further comprising the steps of:
Behind the terminal called off-hook, send success response message to called PSTN/ISDN analog service application server, called PSTN/ISDN analog service application server can be sent out call release request to the CRBT application server, the CRBT application server returns success response, and the CRBT application server stops coloring ring back tone playing then; And
The success response information that called PSTN/ISDN analog service application server sends terminal called is transmitted to caller PSTN/ISDN analog service application server, caller PSTN/ISDN analog service application server is sent out call release request to the polychrome application server, the polychrome application server returns success response, and the polychrome application server stops to play polychrome then.
Wherein, step S502 is specially: calling terminal sends call request by caller PSTN/ISDN analog service application server, the called PSTN/ISDN analog service application server of process to terminal called; When terminal called returns when response to called PSTN/ISDN analog service application server, called PSTN/ISDN analog service application server sends call request message and receives the calling procedure indication response that is sent by the CRBT application server to the CRBT application server, carries the CRBT medium in the response information is provided; CRBT medium during the calling procedure indication that called PSTN/ISDN analog service application server returns the CRBT application server responds provide information, change into CRBT medium morning information is provided, be placed in the calling procedure indication response, send to caller PSTN/ISDN analog service application server, caller PSTN/ISDN analog service application server is transmitted to the calling subscriber with calling procedure indication response, and the calling subscriber returns to caller PSTN/ISDN analog service application server and carries the CRBT reliable acknowledge message of media answer information early; And caller PSTN/ISDN analog service application server sends call request message to the polychrome application server, the polychrome application server returns and carries the calling procedure indication response that the polychrome medium provide information, caller PSTN/ISDN analog service application server provides information with the polychrome medium of receiving, changes into polychrome medium morning information is provided.
Step S506 is specially: called PSTN/ISDN analog service application server extracts CRBT media answer information early from message, convert CRBT media answer information to, and send to the CRBT application server, and the CRBT application server sends success response message.
In addition, step S508 is specially: called PSTN/ISDN analog service application server sends reliable acknowledge message to terminal called, wherein carry polychrome medium morning information is provided, terminal called returns success response message, wherein carry polychrome media answer information early, called PSTN/ISDN analog service application server is transmitted to caller PSTN/ISDN analog service application server with success response information; And caller PSTN/ISDN analog service application server with the polychrome received early media answer information change into polychrome media answer information, be placed on and send to the polychrome application server in the reliable acknowledge message, the polychrome application server returns success response message.
Wherein, message is the SIP signaling, CRBT early media answer and polychrome early medium to provide be that medium type by the content-Disposition field in the definition SIP signaling is realized.Medium type comprises: polychrome is medium and CRBT medium morning early.
Fig. 6 is the entire flow figure of Ring Back Tone service and color image service according to an embodiment of the invention, as shown in Figure 6, the caller Multimedia Caller Identification Service of contracting, called signatory Multimedia Ring Back Tone service, calling and called UE all supports the operation flow of Early Session.In Fig. 6, the P-CSCF of calling subscriber A side, the P-CSCF and the core net call control node S-CSCF of called subscriber B side have been omitted.Caller PSS AS 604 provides professional PSS AS to calling subscriber 602.Called PSS AS 608 provides professional PSS AS to called subscriber 612.The existence of PSS is because the user except CRBT and color image generation, generally also can have other basic speech business, such as dialing restriction or incoming call restriction etc.
Communicating by letter between caller PSS AS 604 and the polychrome AS 606 all can be passed through S-CSCF.Communicating by letter between called PSS AS 608 and the CRBT AS 610 also can be passed through S-CSCF.
Can see, omit flow process between polychrome AS and relevant media server and flow process between CRBT AS and relevant media server among Fig. 6.Media server is as the server of storage bell sound, picture, video resource in the network.
As shown in Figure 6, if in caller PSS AS integrated color image service, or in called PSS AS integrated Ring Back Tone service, then the Business Stream between the Business Stream between caller PSS AS and the CRBT AS and called PSS AS and polychrome AS can be omitted.
In addition, also can have only these two kinds of AS of polychrome AS, CRBT AS among Fig. 6, and not have PSS AS, so just can omit the Business Stream between Business Stream, called PSS AS and the polychrome AS between the caller PSS AS and CRBT AS among Fig. 6.In Fig. 6, polychrome AS just serves as the role of caller PSS AS, and CRBT AS serves as the role of called PSS AS.
In sum, CRBT AS, polychrome AS can be in-one device physically, but on the operation flow of logic, still the operation flow of execution graph 6.
Caller PSS AS 604 can be through the P-CSCF and the S-CSCF of A side with communicating by letter of UE_A 602, promptly also have two entity: P-CSCF and S-CSCF among the figure between UE_A 602 and the caller PSS AS 604, and between UE_B 612 and the called PSS AS 608 two entity: P-CSCF and S-CSCF are arranged also.As shown in Figure 6, specifically may further comprise the steps:
Step S601-S603, calling subscriber 602 make a call, UE_A 602 sends call request to UE_B 612, comprise normal medium request (offer) in the request, comprise early-session (early-session) ability (promptly expressing support for the ability of Early media) of supporting simultaneously in supported (support) header field of sip message, caller PSS AS 604 sends message to called PSS AS 608;
Step S604, called UE _ B 612 return 183 calling procedures indication response.Comprise early-session (early-session) ability of supporting in the response in the supported header field; Comprise normal medium response B1 Answer in the response simultaneously;
Step S605, called PSS AS 608 send call request message to CRBT AS 610;
Step S606, CRBT AS 610 return 183 calling procedure Indication messages, carry the CRBT medium of oneself supporting (CRBT Offer) in the message;
Step S607-S608, called PSS AS 608 return 183 calling procedures indication response and give UE_A 602 (by the forwarding of caller PSS AS 604), what comprise in the response message that UE_B612 returns replys the CRBT Early media (CRBT Offer) that medium (B1 Answer) and CRBT AS 610 return, at this moment, because do not allow to carry two medium in the signaling of S607 and S608, so CRBT medium that CRBT AS 610 is returned, change into the CRBT Early media
In these two steps, the medium that carry CRBT offer can be medium morning, also can be defined x-crbt-session CRBT medium morning among the application;
Step S609, UE_A 602 send reliable acknowledge message (the PRACK message of SIP), acknowledge receipt of 183 responses, and in reliable affirmation, carry the CRBT Early media and reply (CRBT Answer),
In this step, the medium that carry CRBT Answer can be medium morning, also can be defined x-crbt-session CRBT medium morning among the application;
Step S610, caller PSS AS 604 send call request message to polychrome AS 606;
Step S611, polychrome AS 606 return 183 calling procedure Indication messages, carry the polychrome medium request of oneself supporting (polychrome Offer);
Step S612, caller PSS AS 604 send reliable acknowledge message to called PSS AS608, carry CRBT medium Answer A2 morning and polychrome medium Offer morning that UE_A returns in the message;
Arrive this, because the Session Initiation Protocol standard RFC3959 about medium morning of the prior art represents medium early with following SIP field:
Content-Disposition：early-session。
Thereby, in present Session Initiation Protocol, can't in a signaling, carry two medium early, and expand the SIP signaling among the application, make and can in a signaling, carry two medium early.The application is following to two values of this Field Definition:
Content-Disposition:x-mcid-session (the expression polychrome is medium early)
Content-Disposition:x-crbt-session (the expression CRBT is medium early).
In Fig. 6,608 of caller PSS AS 604 and called PSS AS, be to pass through S-CSCF network element or other network element in the actual networking, the application can not influence the processing of these network elements to SIP to the expansion of SIP signaling, it is the expansion that this patent is done SIP, only need the support of caller PSS AS 604 and called PSS AS 608 among Fig. 6, other network element need not done special the support at this expansion.
Now, carried two medium early in the reliable acknowledge message of S612 in the step, after it arrived called PSS AS 608, called PSS AS 608 took out CRBT medium answer early from message, convert CRBT medium answer to, send to CRBT AS610 in the step at S613.Called PSS AS 608 in the step, issues user B 612 to the reliable acknowledge message (have only medium early now in the message: polychrome is medium offer early) that the S612 step receives at S615.
Alternatively, in step S612, except available x-mcid-session, x-crbt-session represent polychrome medium morning and CRBT medium morning respectively, also can represent polychrome early medium and CRBT medium morning respectively with early-session, x-crbt-session, certainly, also can represent polychrome early medium and CRBT medium morning respectively with x-mcid-session, early-session.
Step S613, called PSS AS 608 send and reliably confirm to carry the CRBT Answer A2 that UE_A 602 returns in the message to CRBT AS 610;
Step S614, CRBT AS 610 send success response message;
Step S615, called PSS AS 608 send and reliably confirm to carry the Early media (polychrome Offer) of polychrome to UE_B 612,
In this step, polychrome early medium type can represent that also available x-mcid-session represents with early-session;
Step S616, UE_B 612 send success response to called PSS AS 608, carry polychrome Answer B2 in the message,
In this step, polychrome early medium type can represent that also available x-mcid-session represents with early-session;
Step S617, called PSS AS 608 send success response message to caller PSS AS610, carry polychrome Answer B2 in the message,
In this step, polychrome early medium type can represent that also available x-mcid-session represents with early-session;
Step S618, caller PSS AS 604 send success response message to UE_A 602;
Step S619, caller PSS AS 604 send reliable acknowledge message to polychrome AS 606, carry the polychrome Answer that UE_B 612 returns in the message;
Step S620, polychrome AS 606 send success response message;
Step S621, called UE _ B 612 send 180 ALERTING messages to called PSS AS608;
Step S622, called PSS AS 608 send 180 ALERTING messages to caller PSS AS604;
Step S623, caller PSS AS 604 send 180 ALERTING messages to UE_A 602;
Step S624, called PSS AS 608 send Info information notification message to CRBT AS 610 after receiving 180 ALERTING messages, notice CRBT AS 610 is put the CRBT sound, CRBT AS610 sends success response message, the requirement of putting the CRBT sound is received in expression, subsequently, and the call request message of CRBT AS610 in step S605, receiving, return a success response, represent current access success foundation, next, called PSS AS 608 returns success the affirmation message of response;
Step S625, caller PSS AS 604 send Info information notification message to polychrome AS 606 after receiving 180 ALERTING messages, notice polychrome AS 606 is put polychrome, polychrome AS 606 sends success response message, the requirement of putting polychrome is received in expression, subsequently, and 606 pairs of call request messages of in step S610, receiving of polychrome AS, return a success response, represent current access success foundation, next caller PSS AS 604 returns success the affirmation message of response
Herein, just begun to play polychromes to caller 602 coloring ring back tone playing and to called 612;
Step S626, user B off-hook are replied, and UE_B 612 sends success response message;
Step S627-S628, called PSS AS 608 send call release request (the BYE message among the SIP) and give CRBT AS 610, are discharged into the calling of CRBT AS 610.CRBT AS 610 returns success response message;
Step S629-S630, called PSS AS 608 send success response message to caller PSS AS 604, and caller PSS AS 604 sends success response message to UE_A 602;
Step S631-S632, caller PSS AS 604 send call release request (the BYE message among the SIP) and give polychrome AS 606, are discharged into the calling of polychrome AS 606, and polychrome AS 606 returns success response message,
Wherein, CRBT AS stops to caller 602 coloring ring back tone playing, and polychrome AS also stops to play polychrome to called 612.Caller 602 coloring ring back tone playing and give called 612 to play polychromes;
Step S633-S635, calling UE _ A 602 send acknowledge message to called UE _ B612, the calling and called conversation.
Fig. 7 is the flow chart according to media transmitting method of the present invention.As shown in Figure 7, be used for realizing simultaneously that at IP Multimedia System the media transmitting method of at least two kinds of media business may further comprise the steps:
Step S702, calling terminal makes a call, mutual through between caller PSTN/ISDN analog service application server and called PSTN/ISDN analog service application server and the corresponding media application server, caller PSTN/ISDN analog service application server obtains at least two early-media informations;
Step S704, caller PSTN/ISDN analog service application server sends signaling to called PSTN/ISDN analog service application server, wherein carries the information that corresponds respectively at least two early-media informations in the signaling; And
Step S706, caller PSTN/ISDN analog service application server carries out respective handling according at least two early-media informations in the signaling that receives, and terminal called carries out respective handling according at least one early-media information in the signaling that receives.
Wherein, medium comprise CRBT and polychrome.Signaling is the SIP signaling, wherein at least two early media information be to realize by the medium type of the content-Disposition field in the definition SIP signaling.Medium type comprises: polychrome is medium and CRBT medium morning early.
In sum,, solved the problem that CRBT medium and polychrome medium carry simultaneously in signaling, can support CRBT and color image service simultaneously in the call by the present invention.Simultaneously, intermediate NE of the present invention (refer to the network element between caller PSS AS and called PSS AS, comprise S-CSCF, I-CSCF etc.) only needs transparent transmission for the medium type of the expansion of nonrecognition, can wrongly not handle.
Thereby, by the present invention, operation flow when not only providing Ring Back Tone service and color image service to provide to calling and called simultaneously, and solved the problem that CRBT medium and polychrome medium carry simultaneously in signaling makes and can support CRBT and color image service simultaneously in the call.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. CRBT and polychrome sending method are used for realizing Ring Back Tone service and color image service simultaneously at IP Multimedia System, it is characterized in that, may further comprise the steps:
Step S502, calling terminal makes a call, caller PSTN/ISDN analog service application server obtains CRBT medium morning from called PSTN/ISDN analog service application server information is provided, and with described CRBT early medium provide information to send to described calling terminal, and described caller PSTN/ISDN analog service application server obtains polychrome medium morning from the polychrome application server information is provided;
Step S504, described caller PSTN/ISDN analog service application server sends message to described called PSTN/ISDN analog service application server, carry in the wherein said message CRBT that returns from described calling terminal early the described polychrome returned of media answer information and described polychrome application server early medium information is provided, described message is the initial session protocol signaling, and it is to realize by two medium type values of definition in the content-Disposition field in described initial session protocol signaling that described CRBT media answer information morning and described polychrome medium morning provide information;
Step S506, described called PSTN/ISDN analog service application server recognizes described CRBT media answer information morning in the received described message, mutual with the CRBT application server, to set up the media channel between described calling terminal and the described CRBT application server;
Step S508, described called PSTN/ISDN analog service application server sends message to terminal called, wherein there are described polychrome medium morning that information is provided, described terminal called receives described polychrome medium morning and provides after the information, send the success response that carries the polychrome response message to described called PSTN/ISDN analog service application server, described caller PSTN/ISDN analog service application server is after receiving the described polychrome response message of transmitting from described called PSTN/ISDN analog service application server, mutual with described polychrome application server, to set up the media channel between described terminal called and the described polychrome application server; And
Step S510, described terminal called sends the ring response, after described called PSTN/ISDN analog service application server is received described ring response, notify described CRBT application server to described calling terminal coloring ring back tone playing, and after described caller PSTN/ISDN analog service application server is received described ring response, notify described polychrome application server to play polychrome to described terminal called.
2. CRBT according to claim 1 and polychrome sending method is characterized in that, and be further comprising the steps of:
Behind the described terminal called off-hook, send success response message to described called PSTN/ISDN analog service application server, described called PSTN/ISDN analog service application server can be sent out call release request to described CRBT application server, described CRBT application server returns success response, and described then CRBT application server stops coloring ring back tone playing.
3. CRBT according to claim 2 and polychrome sending method is characterized in that, and be further comprising the steps of:
Described called PSTN/ISDN analog service application server is given described caller PSTN/ISDN analog service application server with the described success response forwards that described terminal called sends, described caller PSTN/ISDN analog service application server sends out call release request described to described polychrome application server, described polychrome application server returns success response, and described then polychrome application server stops to play polychrome.
4. CRBT according to claim 3 and polychrome sending method is characterized in that, described medium type value comprises: polychrome is medium and CRBT medium morning early.
5. according to each described CRBT and polychrome sending method in the claim 1 to 4, it is characterized in that described step S502 is specially:
Described calling terminal sends call request by described caller PSTN/ISDN analog service application server, the described called PSTN/ISDN analog service application server of process to described terminal called;
When described terminal called returns when response to described called PSTN/ISDN analog service application server, described called PSTN/ISDN analog service application server sends call request message and receives the response message that is sent by described CRBT application server to described CRBT application server, carries the CRBT medium in the described response message information is provided;
Described CRBT medium in the described response message that described called PSTN/ISDN analog service application server returns described CRBT application server provide information, change into described CRBT medium morning information is provided, be placed in the described response message, send to described caller PSTN/ISDN analog service application server, described caller PSTN/ISDN analog service application server is transmitted to the calling subscriber with described response message, and described calling subscriber returns to described caller PSTN/ISDN analog service application server and carries the described CRBT reliable acknowledge message of media answer information early; And
Described caller PSTN/ISDN analog service application server sends call request message to described polychrome application server, described polychrome application server returns and carries the response message that the polychrome medium provide information, the described polychrome medium that described caller PSTN/ISDN analog service application server will be received provide information, change into described polychrome medium morning information is provided.
6. according to each described CRBT and polychrome sending method in the claim 1 to 4, it is characterized in that described step S506 is specially:
Described called PSTN/ISDN analog service application server extracts described CRBT media answer information early from described message, convert CRBT media answer information to, and sending to described CRBT application server, described CRBT application server sends success response message.
7. according to each described CRBT and polychrome sending method in the claim 1 to 4, it is characterized in that described step S508 is specially:
Described called PSTN/ISDN analog service application server sends reliable acknowledge message to described terminal called, wherein carry described polychrome medium morning information is provided, described terminal called returns success response message, wherein carry polychrome media answer information early, described called PSTN/ISDN analog service application server is transmitted to described caller PSTN/ISDN analog service application server with described success response information;
And
The described polychrome that described caller PSTN/ISDN analog service application server will be received early media answer information changes into polychrome media answer information, be placed on and send to described polychrome application server in the reliable acknowledge message, described polychrome application server returns described success response message.
8. a media transmitting method is used for realizing at least two kinds of media business simultaneously at IP Multimedia System, it is characterized in that, may further comprise the steps:
Step S702, calling terminal makes a call, mutual through between caller PSTN/ISDN analog service application server and called PSTN/ISDN analog service application server and the corresponding media application server, described caller PSTN/ISDN analog service application server obtains at least two early-media informations;
Step S704, described caller PSTN/ISDN analog service application server sends signaling to described called PSTN/ISDN analog service application server, carry the information that corresponds respectively to described at least two early-media informations in the wherein said signaling, described signaling is the initial session protocol signaling, and described at least two early-media informations are to realize by the medium type that defines the content-Disposition field in the described initial session protocol signaling; And
Step S706, the CRBT in the described signaling that described called PSTN/ISDN analog service application server will receive early media answer information translation become CRBT media answer information, and described CRBT media answer information is sent to the CRBT application server; Described called PSTN/ISDN analog service application server provides information to send to terminal called polychrome medium morning that carry in the described signaling, obtain that described terminal called sends in response to described polychrome medium polychrome media answer information early that information is provided early, and with described polychrome early media answer information send to described caller PSTN/ISDN analog service application server, the described polychrome that described caller PSTN/ISDN analog service application server will receive early media answer information translation becomes polychrome media answer information, and described polychrome media answer information is sent to the polychrome application server.
9. media transmitting method according to claim 8 is characterized in that, described morning, medium comprised CRBT and polychrome.
10. media transmitting method according to claim 9 is characterized in that, described medium type comprises: polychrome is medium and CRBT medium morning early.
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| CN101374259B (en) * | 2007-08-22 | 2012-08-08 | 华为技术有限公司 | Method and apparatus for implementing multimedia color ring and multimedia polychrome business |
| CN101998325A (en) * | 2009-08-25 | 2011-03-30 | 中兴通讯股份有限公司 | Calling method and device for indicating terminal media type |
| CN102006371B (en) * | 2009-09-02 | 2014-01-22 | 华为终端有限公司 | Method and equipment for realizing multi-media polyphonic ringtone |
| CN102148807B (en) | 2010-02-08 | 2014-06-04 | 华为技术有限公司 | Color ring back tone and ringing signal service realization method, device and system |
| CN102202042B (en) * | 2010-03-24 | 2016-06-08 | 中兴通讯股份有限公司 | A kind of IMS system realizes the method and system of color image service |
| CN102131158B (en) * | 2011-02-22 | 2015-12-16 | 中兴通讯股份有限公司 | A kind of method and system realizing Multimedia Ring Back Tone service |
| CN115190206A (en) | 2019-03-28 | 2022-10-14 | 华为技术有限公司 | Method for negotiating color vibration media information and application server |
| CN111756933B (en) * | 2019-03-28 | 2022-07-22 | 华为技术有限公司 | Method for negotiating color vibration media information and application server |
| CN110650256A (en) * | 2019-08-15 | 2020-01-03 | 咪咕音乐有限公司 | Video color ring back tone playing method, electronic equipment and computer readable storage medium |
| CN113132539B (en) * | 2021-04-13 | 2023-07-14 | 咪咕音乐有限公司 | Multimedia acquisition method, multimedia playing method, electronic device and storage medium |
| CN113839959B (en) * | 2021-10-22 | 2023-05-30 | 号百信息服务有限公司 | Method for distinguishing play sound in video early media |
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