CN101179458B

CN101179458B - Method to implement calling present service of multimedia information

Info

Publication number: CN101179458B
Application number: CN2006101385685A
Authority: CN
Inventors: 秦延涛; 韩银俊; 曹义林; 郑志军; 王明德
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2006-11-09
Filing date: 2006-11-09
Publication date: 2012-05-09
Anticipated expiration: 2026-11-09
Also published as: CN101179458A

Abstract

The invention discloses a method for realizing the service of calling display for multimedia information, which includes the following steps: first, a calling user originates a calling; a called user confirms that the calling user supports function of an early media according to a head field value on an SIP protocol; the called user transmits information on the early media to a calling application server (AS); the calling AS receives the information on the called early media and consults with a media on a calling side; then the calling AS returns the consulted information on the early media to the called user and establishes a channel for the called early media; at last, by adopting the established channel for the called early media, the calling AS provides the multimedia information for the called user. According to the method provided by the invention, the called user is capable of seeing the multimedia information from the called user when receiving the calling from the calling user, thus enriching the modes to display the calling.

Description

A kind of method that realizes the calling present service of multimedia messages

Technical field

The present invention relates to a kind of IP Multimedia System network (IP Multimedia Subsystem; Be called for short IMS) or next-generation communication network (Next Generation Network; Be called for short NGN) in, the technology of realization calling present service relates in particular to a kind of dialogue-based initiation protocol (SessionInitialization Protocol; Abbreviation SIP) application server (Application Server is called for short AS) is realized the method for the calling present service of multimedia messages.

Background technology

At the IMS environment, and in the application in other broadbands, Session Initiation Protocol is main signaling control protocol, and each network element is mutual through Session Initiation Protocol, realizes each other contact and control.Application server AS is the entity of the realization service logic control in IMS network or the NGN network, and it has the ability of integrated services.Merge the fusion that had both comprised network, comprised the fusion of medium again, mainly referring to here the latter promptly can provide video, voice, image, data, professional fusions such as web service.

Traditional calling present service, for example caller identification is professional, is to pass through call signaling to calling subscriber's number, like ISDNYong Hubufen (ISDN User Part is called for short ISUP), brings the called subscriber, and the called subscriber discerns the calling subscriber of incoming call through it.

Prior art also do not provide bring the multimedia messages of caller called, the technology of presenting to the called subscriber before the called connection phone.The multimedia messages of caller can be video, audio frequency, image and literal etc., thereby presents means for the calling subscriber provides a kind of more personalized, diversified identity, makes that also the called subscriber can be from perception calling subscriber's on the visual effect incoming call.

Summary of the invention

Technical problem to be solved by this invention is in order to provide in a kind of IMS network or the NGN network; Continue the stage the called subscriber; Based on the calling present service of multimedia messages, wherein multimedia messages comprises video, audio frequency, figure or literal, and their combination etc.

In order to solve the problems of the technologies described above, the invention provides in a kind of IMS network or the NGN network, the method to the calling present service of multimedia messages comprises the steps:

Be calling subscriber's signatory calling present service on home subscriber server HSS, and on the caller application server AS, set calling subscriber's multimedia presentation information;

When the calling subscriber makes a call, judge according to the CAMEL-Subscription-Information on the HSS and trigger calling present service to said caller AS by service-call session control function entity S-CSCF;

Said caller AS adds the support to medium morning in this is called out, and sends to said S-CSCF, routes the call to the callee by this S-CSCF;

After the callee receives this call request, determine this caller support medium early, then the early-media information with the callee sends to said caller AS;

Said caller AS, returns the early-media information after consulting to the callee, thereby is established to called media channel morning with the media negotiation of Calling Side according to the called early-media information of receiving;

Utilize media channel morning of said foundation, present to the multimedia messages of caller called.

Wherein, said S-CSCF can at first be routed to callee side AS with said calling, calls out the called subscriber by this called AS again.

Wherein, the media negotiation of said caller AS and Calling Side can be through consulting to realize with media server.

Wherein, the early-media information after said will the negotiation returns callee's step, can be that medium morning after at first will being consulted by said caller AS bring called AS, brings the called subscriber by called AS again.

In sum, the present invention returns to the callee through the media negotiation of caller AS and Calling Side with the early-media information after consulting; Thereby be established to called media channel morning; Utilize the passage of this foundation, the multimedia messages of caller is presented to called, the called subscriber is when receiving calling subscriber incoming call; Can see calling subscriber's multimedia messages, enrich the mode that caller appears.

Description of drawings

Fig. 1 is an embodiment according to the invention network diagram of living in;

Fig. 2 is the signaling process figure of embodiment according to the invention.

Embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.

Calling present service of the present invention is realized in AS, belongs to calling service.Because AS is similar to the processing mode of NGN network and IMS network, so explain with the IMS network here.The calling subscriber goes up signatory calling present service at home signature user server (Home Subscriber Server is called for short HSS), and on AS, sets the multimedia presentation information that the calling subscriber will present to the called subscriber.When the calling subscriber made a call, service-call session control function (ServingCSCF is called for short S-CSCF) unit judges also triggered calling present service to AS, is responsible for the processing of service logic by AS.The AS calling present service adds the support to medium morning in calling, issue S-CSCF; S-CSCF routes calls to called; Called receive call request after, judge caller support medium early, return to caller with regard to the early-media information that carries oneself; After caller AS receives called morning of medium, with the media negotiation of Calling Side, and the early-media information after will consulting return to called, thereby set up media channel morning between calling and called, present to the multimedia messages of caller called.Behind called party answer, discharge media resource early, connects called, the conversation between the realization calling and called.

This programme is not supported for the callee that early the terminal use of media function does not provide based on multimedia caller and is appeared, but do not influence called.

The session morning early-session value that the Supported header fields of called subscriber through SIP has judges whether the calling subscriber supports medium early, as:

INVITE?sip:userims.scsf.com?SIP/2.0

Supported：early-session

Content-Type：application/sdp

Content-Length：389

If the called subscriber supports medium early, will be with going up the preceding medium of conversation, wherein the Content-Disposition field value is early-session, as:

Content-Type：application/SDP

Content-Disposition：early-session

Calling Side through consulting with local media server, obtains medium early after receiving called morning of medium, sends to the called subscriber, accomplishes the negotiation of medium early, thereby presents the multi-media tag information of caller to the called subscriber.

As shown in Figure 1, be embodiment according to the invention network diagram of living in, AS is the calling present service application server; MRS is a media server, is used for the broadcast of caller multimedia messages; IMS server equipment S-CSCF is responsible for the triggering of service logic; Home signature user server HSS; The IMS terminal UE is linked into the IMS network through P-CSCF.

As shown in Figure 2, the signaling process figure for embodiment according to the invention has wherein omitted the signaling between caller and the terminating S-CSCF, and callee side identifies with the AS2 of callee side, may further comprise the steps:

Step 201:INVITE sdpA,

UE1 makes a call, and S-CSCF judges that it signatoryly has a calling service, and calling present service application server AS 1 is given in the request of sending out;

Step 202:INVITE sdpA (support:early session),

AS1 adds the support to medium morning in the sip message head, and sends to S-CSCF, and S-CSCF routes requests to the application server AS 2 of callee side;

Step 203:INVITE sdpA,

Called service application server AS 2 is called out called UE 2;

Step 204:180sdpA '+B,

Called support is medium early, with the conversation medium after going up medium early and consulting;

Step 205:180sdpA '+B,

Called morning medium with consult after the conversation medium take back to caller AS1;

Step 206:180sdpA ',

Present service application service device AS1 and bring calling UE 1 the conversation medium;

Step 207:PRACK,

Calling UE 1 is returned the PRACK request to AS1;

Step 208:INVITE sdpB,

Present service application service device AS1 and bring media server MRS called medium morning;

Step 209:200 PRACK,

Present service application service device AS1 and return the response of PRACK, 200 OK to UE1;

Step 210:200 Inv sdpB ',

Media server MRS brings AS1 medium morning after consulting;

Step 211:ACK,

AS1 returns ACK for media server MRS;

Step 212:PRACK sdpB ',

AS1 brings called AS2 medium morning after consulting through the PRACK request;

Step 213:PRACK sdpB ',

Called AS2 brings called UE 2 medium morning after consulting through the PRACK request;

Step 214:200 PRACK,

Called AS2 returns PRACK response, 200 OK;

Step 215:200 PRACK,

2 times PRACK responses of called UE, 200 OK, at this moment, and media negotiation success early, the multimedia messages of caller is presented to called;

Step 216:200 INVITE,

Called UE 2 is replied, and returns 200 INVITE response;

Step 217:ACK,

Called AS2 returns ACK message and gives UE2;

Step 218:200 INVITE,

Called AS2 returns 200 INVITE and responds to Calling Side AS1;

Step 219:200 INVITE,

Caller AS1 returns 200 INVITE and responds to calling UE 1, both sides' beginning of conversing;

Step 220:ACK,

Caller AS1 returns ACK message for callee side AS2;

Step 221:ACK,

Calling UE 1 returns ACK message for caller AS1;

Step 222:BYE,

Calling present service application server AS 1 is discharged into the connection of media server MRS;

Step 223:200 BYE,

Media server MRS returns 200 BYE response for caller AS1;

Step 224:BYE,

End of conversation, calling subscriber UE1 on-hook, UE1 sends the BYE request to AS1;

Step 225:BYE,

Calling present service application server AS 1 sends the BYE request for callee side AS2;

Step 226:BYE,

Called AS2 sends the BYE request for called UE 2;

Step 227:200 BYE,

Caller AS1 sends 200 BYE response for calling UE 1;

Step 228:200 BYE,

Called AS2 sends 200 BYE response for Calling Side AS1;

Step 229:200 BYE,

Called UE 2 sends 200 BYE response for called AS2.

Above-mentioned flow process is the caller shutdown process, and the flow process of called shutdown is to send BYE by the called subscriber to ask to called AS2, and AS2 redispatches BYE to caller AS1, and caller AS1 is hung up calling UE 1 again.

Claims

1. the implementation method to the calling present service of multimedia messages is applied to IMS network or NGN network, it is characterized in that, comprises the steps:

(1) is calling subscriber's signatory calling present service on home subscriber server HSS/HLR, and on the caller application server AS, sets calling subscriber's multimedia presentation information;

When (2) calling subscriber makes a call, judge according to the CAMEL-Subscription-Information on the HSS and trigger calling present service to said caller AS by service-call session control function entity S-CSCF;

(3) said caller AS adds the support to medium morning in this is called out, and sends to said S-CSCF, routes the call to the callee by this S-CSCF;

(4) after the callee receives this call request, determine this caller support medium early, then the early-media information with the callee sends to said caller AS;

(5) said caller AS, returns the early-media information after consulting to the callee, thereby is established to called media channel morning with the media negotiation of Calling Side according to the called early-media information of receiving;

(6) utilize media channel morning of said foundation, before called party answer, present to the multimedia messages of caller called.

2. the method for claim 1 is characterized in that, in the said step (3), said caller AS is through adding the support to medium morning in the sip message head.

3. the method for claim 1 is characterized in that, in the said step (3), said S-CSCF at first is routed to callee side AS with said calling, calls out the called subscriber by this called AS again.

4. method as claimed in claim 2 is characterized in that, in the said step (4), said callee judges according to session value morning of carrying in the sip message head whether this caller supports medium early.

5. the method for claim 1 is characterized in that, in the said step (4), the conversation media information that said callee further will consult sends to said caller AS, and brings the calling subscriber by said caller AS.

6. the method for claim 1 is characterized in that, in the said step (5), the media negotiation of said caller AS and Calling Side is through consulting to realize with media server.

7. the method for claim 1; It is characterized in that in the said step (5), the early-media information after said will the negotiation returns callee's step; Be that medium morning after at first will being consulted by said caller AS bring called AS, bring the called subscriber by called AS again.

8. the method for claim 1 is characterized in that, further comprises step:

(7) behind the called party answer, discharge media resource early, connect called.