CN101202955B

CN101202955B - Method and device for realizing calling polychrome business in IMS network

Info

Publication number: CN101202955B
Application number: CN2007101243477A
Authority: CN
Inventors: 任宜军; 汤建
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2007-11-02
Filing date: 2007-11-02
Publication date: 2011-06-01
Anticipated expiration: 2027-11-02
Also published as: CN101202955A

Abstract

The invention discloses a method and a device for realizing a calling polychrome service in an IP Multimedia Subsystem (IMS) network, wherein, the method comprises that when the polychrome is provided by a network side to a terminal, the polychrome is obtained by the terminal and the obtained polychrome is stored, and during the process that the terminal obtains the polychrome, a PDP grouped data protocol context of the terminal is kept in an activation state; after the polychrome is obtained by the terminal, voice call request messages of a circuit switched domain are received and the messages are sent by the network side to the terminal; the terminal rings simultaneously broadcasts the stored polychrome. By the method and device proposed by the embodiment of the invention, when the called receives the voice calling request, the calling polychrome service of the network access terminal by the non DTM is realized by the pre-stored polychrome of the broadcast terminal.

Description

A kind of method and device of in the IMS network, realizing calling polychrome business

Technical field

The present invention relates to the communications field, particularly relate to a kind of method and device of in the IMS network, realizing calling polychrome business.

Background technology

IMS (IP Multimedia Subsystem, IP Multimedia System) adopt packet domain (PS) to provide bearer path for its upper strata control signaling and media delivery, use Session Initiation Protocol as professional control protocol, utilize simple, the easy expansion of Session Initiation Protocol, media combination characteristics easily, by the mode of disassociation service control, for the user provides abundant multimedia service with carrying control; The main functional entity of IMS network comprises control user registration, the controlling call entity CSCF of functions such as session control, the application server AS of miscellaneous service logic control function is provided, the home subscriber server HSS and being used to of centralized management user contracting data realizes the MGCF MGCF/IM-MGW (IM-media gateway) with the circuit switching net interconnecting, the user inserts the IMS network by current on-site agent call conversation control entity P-CSCF, and session and business trigger control and finished by the home service call conversation control entity S-CSCF of user registered place alternately with the business control of AS.

Calling polychrome business is a kind of by the calling party registration and the multimedia service of paying, when calling customized should business the time, and the polychrome that its calling called will playing and calling order in ring, polychrome comprises various multimedia messagess such as image, music, literal.In the IMS territory,, realize that the scheme of calling polychrome business has following two kinds for the user terminal of IP access network:

One, for the terminal called of supporting that HTTP downloads, the mode playing and calling polychrome that the called subscriber downloads by HTTP, concrete steps comprise:

Step 1, calling subscriber store the polychrome resource of its customization;

Step 2, calling subscriber call out when called, caller will be stored the polychrome resource addresses and be sent to called, concrete mode is: add a URL (Universal resource locator, URL(uniform resource locator)) in request message, URL is a kind of address information with the HTTP beginning);

Described polychrome is downloaded from polychrome resource depository in the address that step 3, called basis receive;

Step 4, in the terminal ring, terminal called is play described polychrome;

Its two, for the terminal of supporting Early media, realize the calling polychrome scheme, referring to Fig. 1, concrete flow process is described below:

Step 1, calling subscriber (UE-A) request of making a call (invite), message trigger is to MCIDAS (color image service server), and MCID AS does not carry out special processing to signaling, and described signaling is routed to called UE-B by core net;

Step 2, terminal called are supported Early media, after terminal called is finished media negotiation, return 183 responses to caller, carry sign in the response, identification information is represented terminal called support Early media, also comprise SDP (Session Initial Protocol, the Session Description Protocol) information behind the media negotiation in the response;

When step 3, described 183 response arrival MCID AS, MCID AS is to MRS (Media resourceserver, Media Resource Server) send out request message (invite), MRS returns 200 responses, and the SDP in the response carries the media information (MRS offer) that MRS supports;

After step 4, caller receive 183 responses, to called transmission PRACK response message, having acknowledged receipt of 183 responses, when described response arrived MCID AS, MCID AS carried the media information (MRS offer) that MRS that MCID AS receives sends in step 3 in response;

Step 5, the called PRACK response message that receives are returned 200 responses, the negotiation result of carrying Early media in the described response to caller;

Step 6, called party to calling party return 180 responses, and when described 180 responses arrived MCID AS, MCID AS bristled with anger and shows information (info) to MRS, and indication begins to play polychrome when called terminal ringing;

Step 7, called terminal ringing, MRS gives called broadcast polychrome simultaneously.

In CS territory (circuit domain), prior art can provide calling name card business, but the business card of text mode should business only be provided, and can not support polychrome.

For passing through non-DTM (Dual Transfer Mode, two transfer modes) user terminal of Radio Access Network access, professional and the CS business of the PS that can not coexist simultaneously, and the CS business has precedence over the PS business, as long as on the described terminal CS business is arranged, its PS is professional just to interrupt automatically, therefore, do when called for the user terminal that inserts by non-DTM Radio Access Network, can't realize calling polychrome business.

Summary of the invention

Method and device that the embodiment of the invention provides a kind of IMS network to realize calling polychrome business solve the terminal that inserts by non-DTM Radio Access Network, can't realize the problem of calling polychrome business.

The technical scheme of the embodiment of the invention is achieved in that

A kind of method that realizes calling polychrome business in the IMS network is applied to the terminal by the two transfer mode Radio Access Networks accesses of non-DTM, comprising:

When network side when described terminal provides polychrome, described terminal is obtained polychrome and the polychrome obtained of storage, described terminal is obtained in the process of polychrome and is kept the PDP block data protocol context of described terminal to be in state of activation;

After described terminal had been obtained described polychrome, receiving circuit territory voice call request information, described information were that network side sends to described terminal;

The polychrome of being stored is play in described terminal ring simultaneously.

The embodiment of the invention also provides a kind of terminal that realizes calling polychrome business in the IMS network, the terminal of described terminal for inserting by the two transfer mode Radio Access Networks of non-DTM, described terminal comprise registering unit, polychrome preservation unit, polychrome broadcast unit, conversation request receiving element;

Described registering unit is used for constantly initiating heavily registration to network side, obtains the polychrome that described network side is play smoothly so that polychrome is preserved the unit;

Described polychrome is preserved the unit and is used to obtain polychrome and preserves the polychrome of being obtained, and wherein, obtains in the process of polychrome and keeps the PDP block data protocol context of described terminal to be in state of activation;

Described conversation request receiving element is used to receive voice call request;

Described polychrome broadcast unit is used for when described conversation request receiving element receives voice call request, plays described polychrome and preserves the polychrome that the unit is preserved.

The beneficial effect that the embodiment of the invention disclosed is: compared with prior art, method and device that the embodiment of the invention proposes, by on terminal, storing the polychrome of being obtained, when receiving voice call request, play the polychrome stored, rather than the polychrome obtained from network side of real-time broadcast, the user terminal that non-DTM Radio Access Network inserts therefore solved, the problem of the professional and CS business of the PS that can not coexist simultaneously, thus on described terminal, realized calling polychrome business.

Description of drawings

Fig. 1 is the signaling process figure of prior art Early media application server realizing calling polychrome scheme;

Fig. 2 is the method flow diagram of the embodiment of the invention;

Fig. 3 A is the terminal installation block diagram of the embodiment of the invention;

Fig. 3 B is the business service apparatus block diagram of the embodiment of the invention;

Fig. 4 is that the registration and the PDP of the specific embodiment of the invention activates signaling process figure;

Fig. 5 is for being the polychrome processing signaling flow chart of the specific embodiment of the invention.

Embodiment

Because terminal by non-DTM Radio Access Network access, can't realize the coexistence of PS business and CS business, do the calling polychrome business when called for realizing the type user terminal, the embodiment of the invention is by before initiating the CS calling, network side is set up PS with user terminal earlier and is connected, send the multimedia descriptions that carries color image information to user terminal, terminal is obtained polychrome according to described description, and be kept at this locality, treat polychrome preserve finish after, network side is initiated the CS call request to terminal again, after terminal receives the CS call request, in ring simultaneously, play the polychrome of having stored, thereby solved the problems referred to above.

Network side is initiated to set up PS with terminal and is connected, and terminal is obtained polychrome, needs terminal to keep PDP (PacketData Protocol, packet data protocol) context to be in state of activation,

It is multiple to make PDP keep the mode of state of activation to have, preferred, and the mode that terminal is initiated heavily registration can realize that PDP keeps state of activation.

Referring to Fig. 2, be the method flow diagram of the embodiment of the invention, concrete steps are described below:

S201, terminal activate PDP Context after finishing network attachment, the terminal of described terminal for inserting by non-DTM Radio Access Network;

Terminal is initiated the request of IMS network registry after activating, and registers; Constantly initiate heavily registration afterwards, activate heavily to register as Event triggered PDP.When PDP is in state of activation, so that described terminal can receive the color image service that network side is play smoothly;

S202, the caller request of making a call;

The call request of S203, step 202 arrives network side, and network side obtains called terminal capability and Access Network ability;

The called Access Network ability that S204, determining step 203 are obtained, if called for the terminal that inserts by non-DTM Radio Access Network and support color image service, then execution in step 205;

S205, network side carry the multimedia descriptions of color image information in the request message of called transmission;

S206, calledly obtain and preserve polychrome, comprise calling number in the color image information that obtains, preserves;

S207, after the polychrome of step 206 has been preserved, network side is to called initiation voice call request;

S208, called call request and ring, the polychrome that broadcast is simultaneously preserved of receiving.The calling number that the polychrome of being play comprises is consistent with the conversation request calling number that is received.When called when receiving the CS voice call request, because terminal called is to insert by non-DTM Radio Access Network, CS and PS business simultaneously can not coexist, therefore the PDP Context of terminal interrupts owing to receiving the CS voice call request, but, because terminal has been preserved polychrome in step 206, therefore when receiving audio call and ring, can play the local polychrome of preserving of described terminal, the calling polychrome business on the terminal that has realized smoothly inserting by non-DTM Radio Access Network.

Below description by terminal installation, introduce the process of step 206 in the said method in detail to step 208, referring to Fig. 3 A, block diagram for the terminal installation 301 of the embodiment of the invention, comprise polychrome preservation unit 3011, polychrome broadcast unit 3012, conversation request receiving element 3013, registering unit 3014, described polychrome is preserved unit 3011 and is used to obtain and preserve polychrome, comprises calling number in the color image information that obtains, preserves; Described polychrome broadcast unit 3012 is used for when conversation request receiving element 3013 receives conversation request, the calling number of the conversation request that coupling conversation request receiving element 3013 is received and the calling number that polychrome is preserved the polychrome of being preserved unit 3011, and play polychrome and preserve unit 3011 polychromes that are complementary with calling number described conversation request that preserved; Conversation request receiving element 3013 is used to receive the voice conversation request; Registering unit 3014 is used for initiating heavily registration.

The operation of this device is as follows:

Polychrome is preserved unit 3011 and is obtained and preserve polychrome, comprise calling number in the color image information that obtains, preserves, described obtain manner can be to receive the polychrome of network side to terminal plays, described polychrome is a PS business carrier, the media content that carries is a multi-medium color, the number of display of calling during broadcast, or the URL address of the polychrome of reception network side transmission, download polychrome according to described address, carry the number of caller in the described address.Registering unit 3014 sends register requirement to the IMS network at set intervals makes PDP Context be in state of activation always, preferably, after polychrome preservation unit 3011 has obtained polychrome, registering unit 3014 need not be initiated heavy register requirement, conversation request receiving element 3013 receives the voice call session request, polychrome broadcast unit 3012 obtains the entrained calling number of described voice call session request, and searching carries the polychrome of the calling number consistent with described calling number from polychrome preservation unit 3011, and play described polychrome.

The part of said apparatus is the logic function unit module, rather than the physical function module, during specific implementation, said units can be provided with respectively, also can be realized by a unit.

Below pass through the description of service server AS device, introduce the process of step 202 in the said method in detail to step 205 and 207, referring to Fig. 3 B, block diagram for the business service apparatus 302 of the embodiment of the invention, described service server AS302 comprises call request receiving element 3021, called ability judging unit 3022, polychrome processing unit 3023 and call request processing unit 3024, and described call request receiving element 3021 is used for the voice call request that receiving terminal is initiated; The called number that described called ability judging unit 3022 is used for the audio call that received according to call request receiving element 3021 obtains called terminal capability and Access Network ability, and judges the called ability of being obtained; Polychrome processing unit 3023 is used for handling calling customized color image service according to the judged result of called ability judging unit 3022; Call request processing unit 3024 is used for conduct voice calls request after polychrome processing unit 3023 is handled polychrome.

The operation of this service server is as follows:

Call request receiving element 3021 receives the CS voice call session request of caller, called ability judging unit 3022 obtains the ability of called terminal capability and called Access Network to called network according to the called number in the described request message, judge the called Access Network ability information of being obtained, if called terminal for inserting by non-DTM Radio Access Network, and support color image service, then polychrome processing unit 3023 is handled the color image service that caller customized, when the terminal called that is obtained when called ability judging unit 3022 is supported Early media, described processing comprises to the described polychrome of called broadcast, when the terminal called that is obtained when called ability judging unit 3022 supports that HTTP downloads, described processing comprises the URL address that obtains calling polychrome, and send to described address called, after polychrome processing unit 3023 was handled described polychrome, call request processing unit 3024 was to the described call request of called initiation.

Below lift a specific embodiment, introduce the detailed process that application the inventive method and device are realized calling polychrome business in detail.Present embodiment is divided into two parts to be described, and the process of terminal called registration and PDP context activation is introduced by first, and second portion is described the color image service implementation procedure of caller after making a call.

Referring to Fig. 4, registration and PDP activation signaling process figure for the specific embodiment of the invention specifically comprise:

Step 401, terminal (UE) set up with network between IP is connected, and finish the network attachment process, described terminal is the terminal by non-DTM Radio Access Network access;

Step 402-403, in finishing the network attachment process, terminal and GGSN (Gataway GPRSSupport Node GRRS, gateway support node) set up a PDP Context;

Step 404, terminal send the SIP register requirement by air interface to P-CSCF (Proxy-Call Session ControlFunction, Proxy Call Session Control Function);

Step 405-406, P-CSCF inquire about DNS, and the SIP register requirement is transmitted to I-CSCF;

Step 407-408, I-CSCF (Interrogating-Call Session Control Function, the query call conversation control function) by Cx interface inquiry HSS, obtain user's S-CSCF (Serving-CallSession Control Function, service call conversation control function) at least one in the two of title and S-CSCF ability is transmitted to S-CSCF with the SIP register requirement;

Step 409, after S-CSCF receives described request, by with HSS between communicate by letter and obtain user's verify data;

Step 410-411, S-CSCF send the initial registration request of 401 response (unauthorized response) refusal terminals, require terminal to authenticate;

Step 412-415, terminal send second SIP register requirement to S-CSCF, finish registration, and the configuration of download user;

Step 416-417, S-CSCF return to terminal 200 OK response.

Afterwards, terminal sends network at set intervals and heavily registers, and to finish the foundation of PDP Context, the time that the time interval that described initiation is heavily registered can be kept state of activation less than PDP Context, makes PDP Context be in state of activation always.

Referring to Fig. 5, the polychrome processing signaling flow chart for the specific embodiment of the invention specifically describes as follows:

Step 1-4, caller (UE-A) make a call, the terminal of the terminal called that this caller is called out for inserting by non-DTM Radio Access Network, this is calling customized color image service, this is called out and triggers SCP (Service Control Point, service control point), through after the number of changing of SCP calling being anchored to the IMS network of user attaching, message related to calls is triggered to MCID AS simultaneously;

Step 5, MCID AS are according to called number, obtain the professional ability of terminal called and Access Network to called network, the mode of obtaining terminal and Access Network ability has a variety of, for example, the AS by called network or preserve described terminal and the entity of Access Network ability on obtain called terminal and Access Network ability;

Step 6, MCID AS judge the terminal capability and the Access Network ability of terminal called, if called (UE-B) supports Early media, and the wireless access way of called access way right and wrong DTM, then MCID AS plays polychrome to MRS application multimedia resource to the called subscriber, MCID AS sends common request message (invite) to MRS, do not comprise Early media sign and SDP (Session InitialProtocol in the described message, Session Description Protocol), MRS feeds back common 200 OK response, and SDP carries the medium MRS offer that oneself is supported;

Step 7-9, MCID AS give called sending a request message (invite), carry the MRS offer of MRS in described message;

Step 10-15, called (UE-B) respond (answer) to request message (invite), finish the early media negotiation of terminal UE-B and MRS;

Step 16-18, calledly return 180 and respond caller, when described 180 responses arrived MCID AS, MCID AS indication MRS began to play polychrome, the polychrome that called storage is play;

After step 19-22, polychrome finished, MCID AS received the notice of MRS, and the mode that adds called number with prefix is initiated audio call;

Called polychrome of storing is play in step 23-29, the called request that receives voice call in ring.

Above-mentioned polychrome processing procedure also has a kind of implementation, specifically describes as follows:

Step 1, caller (UE-A) make a call, the terminal of the terminal called that this caller is called out for inserting by non-DTM Radio Access Network, this is calling customized color image service, this is called out and triggers SCP (ServiceControl Point, service control point), through after the number of changing of SCP calling being anchored to the IMS network of user attaching, message related to calls is triggered to MCID AS simultaneously;

Step 2, MCID AS are according to called number, obtain the professional ability of terminal called and Access Network to called network, the mode of obtaining terminal and Access Network ability has a variety of, for example, the AS by called network or preserve described terminal and the entity of Access Network ability on obtain called terminal and Access Network ability;

Step 3, MCID AS judge the terminal capability and the Access Network ability of terminal called, if called (UE-B) supports color image service, support the HTTP downloading mode, and the wireless access way of called access way right and wrong DTM, then MCID AS obtains the URL of calling polychrome;

Step 4, MCID AS give called sending a request message (invite), carry the URL of calling polychrome in described message;

Step 5, called from described URL download polychrome and in this locality preservation is returned a response to caller;

Step 6, when described response arrives MCID AS, MCID AS initiates audio call in the mode that prefix adds called number;

Called polychrome of storing is play in step 7, the called request that receives voice call in ring.

The embodiment of the invention, the mode of initiating heavily registration by terminal keeps PDP Context to be in state of activation, make terminal called obtain polychrome smoothly, network side is by carrying the multimedia descriptions of color image information in the request message of called transmission, terminal called obtains polychrome by described multimedia descriptions, and, terminal is preserved the polychrome of being obtained, when receiving CS voice call request and ring, play the polychrome of being preserved, therefore realize goal of the invention, solved the technical problem that the terminal that inserts by non-DTM Radio Access Network can't be enjoyed calling polychrome business.

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, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims

1. a method that realizes calling polychrome business in the IMS network is applied to the terminal by the two transfer mode Radio Access Networks accesses of non-DTM, it is characterized in that, comprising:

2. the method for claim 1, it is characterized in that, the mode that the PDP Context of the described terminal of described maintenance is in state of activation comprises that the initiation of described terminal periodic is heavily registered, and the time interval that described initiation is heavily registered can be kept the time of state of activation less than PDP Context.

3. method as claimed in claim 2 is characterized in that, described terminal is no longer initiated heavily registration after having obtained described polychrome.

4. the method for claim 1 is characterized in that, the polychrome that described terminal is obtained is carried calling number.

5. method as claimed in claim 4, it is characterized in that, obtain the calling number of described voice call request information during described terminal receiving circuit territory voice call request information, play the polychrome of the calling number that the calling number of carrying of being stored and described request information is complementary during described terminal ring.

6. terminal that in the IMS network, realizes calling polychrome business, the terminal of described terminal for inserting by the two transfer mode Radio Access Networks of non-DTM, it is characterized in that described terminal comprises registering unit, polychrome preservation unit, polychrome broadcast unit, conversation request receiving element;

7. terminal as claimed in claim 6 is characterized in that, described polychrome is preserved the polychrome that the unit obtained and carried calling number.

8. terminal as claimed in claim 7, it is characterized in that, described polychrome broadcast unit is play polychrome and is comprised, calling number and the described polychrome calling number of preserving unit polychrome of coupling in the voice call request, the polychrome of described broadcast be carry with voice call request in the polychrome of the calling number that is complementary of calling number.

9. terminal as claimed in claim 6, it is characterized in that, also comprise registering unit, periodically initiate heavily registration to network side, be used for described polychrome preservation unit and obtain polychrome smoothly, the time interval that described initiation is heavily registered can be kept the time of state of activation less than the PDP block data protocol context of described terminal.