CN101938706A - Method and system for realizing background media function during PoC (Push to Talk over Cellular) service conversation as well as terminal - Google Patents

Method and system for realizing background media function during PoC (Push to Talk over Cellular) service conversation as well as terminal Download PDF

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Publication number
CN101938706A
CN101938706A CN200910088612XA CN200910088612A CN101938706A CN 101938706 A CN101938706 A CN 101938706A CN 200910088612X A CN200910088612X A CN 200910088612XA CN 200910088612 A CN200910088612 A CN 200910088612A CN 101938706 A CN101938706 A CN 101938706A
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China
Prior art keywords
poc
background
server
terminal
medium
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CN200910088612XA
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孙清波
刘海军
洪玲
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ZTE Corp
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ZTE Corp
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Priority to CN200910088612XA priority Critical patent/CN101938706A/en
Priority to PCT/CN2009/075413 priority patent/WO2010145129A1/en
Publication of CN101938706A publication Critical patent/CN101938706A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10Push-to-Talk [PTT] or Push-On-Call services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/40Connection management for selective distribution or broadcast
    • H04W76/45Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2207/00Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks

Abstract

The invention discloses a method for realizing a background media function during a PoC (Push to Talk over Cellular) service conversation of a cell, comprising the following steps of: establishing the PoC conversation between a PoC terminal and a PoC server, and acquiring a background media from a background media server; and playing the received background media by the PoC terminal after acquiring the background media. The invention also discloses a system for realizing the background media function during the PoC service conversation and the PoC terminal. The invention can provide the background media for the PoC terminal in the process of the PoC service conversation, thereby enhancing the service quality.

Description

Realize method, system and the terminal of background media function in the PoC service session
Technical field
The present invention relates to sub-district push-to-talk (PoC, Push to talk over Cellular) business, particularly relate to the method, system and the terminal that realize the background media function in the PoC service session.
Background technology
Along with improving of mobile communication diverse network and developing rapidly of all kinds of value-added services, PTT (PTT has appearred, Push-to-Talk) business, the PTT business features is that call set-up time is short, ability busy channel when speaking, a monitor channel when answering, the recipient does not need off-hook can answer descending call information at any time, is called PoC service again based on the PTT business of public's cellular mobile communication networks.
PoC service is a kind of two-way, instant, multi-party communication mode, allows user and one or more user to communicate.This service class is like mobile intercommunication business, and user key-press and certain user's communication or the participant that is broadcast to a group are there; After recipient's uppick speech, can promptly not reply this calling without any action; Also can receive this calling.PoC communication is semiduplex, and people's speech can only be arranged at most at every turn, and other people answer.
At present, basic PoC service function includes only simple intercommunication, group and user profile etc.Portable terminal is supported the IP multimedia, makes the realization of PoC service on portable terminal such as mobile phone become easy.Along with number uses telecommunication service with the numerous mobile subscriber of hundred million numeration amounts, people have proposed further functional requirement to PoC service, comprise: improve the impression degree of user business experience, increase the friendly degree of user's use, and the use by this business strengthens the user to understanding of corporate culture or the like.Wherein, increasing background sound, background video etc. in the PoC service conversation procedure is exactly one of demand.But at the implementation procedure of PoC service session, also nobody proposes to provide the solution of background media function at present.
Summary of the invention
In view of this, method, system and the terminal that realizes the background media function is provided to provide in a kind of PoC service session main purpose of the present invention, can be for the PoC terminal provide the background medium in the PoC service conversation procedure, and then improve QoS.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides the method that realizes the background media function in a kind of PoC service session, comprising: set up PoC session between PoC terminal and the PoC server, and obtain the background medium from the background media server; After the PoC terminal obtains the background medium, play the background medium of being received.
Wherein, describedly obtain the background medium from the background media server and be specially: the PoC server obtains the resource parameters that the PoC terminal receives the background media information, and according to the resource parameters indication background media server that obtains to PoC terminal plays background medium; The background media server sends the background medium according to indication to the PoC terminal, and the PoC terminal receives the background medium.
This method further comprises: the PoC server is set up session with the background media server after setting up session with first PoC terminal.
In the such scheme, the resource parameters that described PoC server obtains PoC terminal reception background media information is: the PoC terminal initiatively sends the resource parameters that self receives the background media information; Perhaps, to the PoC terminal request, the PoC terminal sends the resource parameters that self receives the background media information according to request to the PoC server by the PoC server.
In the such scheme, described resource parameters comprises closes reception background medium; PoC server indication background media server is before PoC terminal plays background medium, and further comprise: whether the PoC terminal of judging current adding session needs to play the background medium.
Describedly obtain the background medium from the background media server and be specially: when PoC terminal and PoC server are set up PoC session, with the background media server link that connects; The PoC terminal sends the background medium to the request of background media server, directly sends the background medium by the background media server to the PoC terminal, and the PoC terminal receives the background medium of being asked; Perhaps,
After PoC terminal and PoC server are set up PoC session, PoC server and background media server carry out media negotiation, obtain the required background medium of PoC terminal from the background media server, afterwards, the PoC server sends to corresponding PoC terminal with the background medium that obtain.
In the such scheme, described background medium are one of following type or its combination in any: audio frequency, video, picture, animation, literal.
The present invention also provides the system that realizes the background media function in a kind of PoC service session, comprising: background media server, PoC server and an above PoC portable terminal; Wherein,
Described background media server is used to provide the storage of background media resource, background media resource to send, and provides required background medium to the PoC terminal;
Described PoC server is used for setting up PoC session with the PoC terminal;
Described PoC terminal is used for setting up PoC session with the PoC server, obtains the background medium that the background media server provides, and plays the background medium that receive in PoC session.
Wherein, described background media server provides required background medium to be to the PoC terminal: receive the indication of PoC server, and provide required background medium according to indication to the PoC terminal; Or, directly provide required background medium to the PoC terminal according to the request of PoC terminal; Or, provide the PoC terminal required background medium to the PoC server according to the request of PoC server.
Wherein, described PoC server also is used for setting up session with the background media server, obtains the resource parameters that the PoC terminal receives the background media information, and provides required background medium according to the resource parameters indication background media server that obtains to the PoC terminal; Perhaps, also be used for obtaining the background medium, and the background medium that obtain are sent to the PoC terminal from the background media server.
Wherein, described PoC terminal also is used for providing the resource parameters that receives the background media information to the PoC server; Also be used for sending request, directly obtain the background medium from the background media server to the background media server; Perhaps, obtain the background medium from the PoC server.
In the such scheme, described background media server is the server that is provided with separately; Or for being arranged at the functional module in the existing device.
The present invention provides a kind of PoC terminal again, comprises PoC logical AND signalling module; This terminal also comprises: medium process module, audio frequency and video playing module; Wherein,
Described medium process module is used to receive the background medium, sends to the audio frequency and video playing module; And in PoC session, finish the reception of the transmission of local voice and other PoC terminal uses audio frequency and video when making a speech;
Described audio frequency and video playing module is used for playing audio frequency, the video media-data of receiving to the PoC terminal use.
Here, described medium process module comprises that again background medium receiver module, PoC speech send and receiver module; Wherein,
Described background medium receiver module is used to provide resource to receive the background medium, after receiving the background medium, background media message bag is sent to the audio frequency and video playing module;
Described PoC speech sends and receiver module, is used for when this PoC terminal obtains the floor, and sends local voice to the PoC server; When other PoC terminals obtain the floor, receive the audio, video data that other PoC terminal uses make a speech and transmit, and the audio, video data of receiving is sent to the audio frequency and video playing module, play to this PoC terminal use through the audio frequency and video playing module.
Realize method, system and the terminal of background media function in the PoC service session provided by the present invention, set up PoC session between PoC terminal and the PoC server, and obtain the background medium from the background media server; After the PoC terminal obtains the background medium, play the background medium of being received.Like this, can in the PoC session process, add various background medium and play various effect,, help to regulate session atmosphere as light and slow music, this class background sound of rhythmical music; This class background video of video/audio segment of corporate culture propaganda, products propaganda can strengthen the user to understanding of enterprise or the like.In a word, the present invention can provide the background medium in the PoC session process, thereby has improved QoS, enriched user experience, can also be that the operation charge improves in telecom operators.
The present invention realizes the background media function in the PoC session process, only need existing equipment is done simple modification, and do not influence normally carrying out of the business of having and function, and not only realization is simple, convenient, flexible, and cost is lower.
Description of drawings
Fig. 1 forms structural representation for the system that realizes the background media function in the PoC service session of the present invention;
Fig. 2 supports a kind of composition structural representation of PoC module of background media function for the PoC terminal;
Fig. 3 is a kind of handling process schematic diagram of realizing background media function method in the PoC service session of the present invention;
Fig. 4 is for realizing the signaling process schematic diagram of background media function one embodiment in the PoC service session of the present invention.
Embodiment
Basic thought of the present invention is: set up PoC session between PoC terminal and the PoC server, and obtain the background medium from the background media server; The PoC terminal obtains playing the background medium of being received behind the background medium.
In actual applications, how the PoC terminal obtains the background medium from the background media server can multiple implementation, uses different media negotiation modes, communicate mode, and following three kinds of schemes are more typically arranged:
First kind of scheme, when setting up PoC session, the PoC server obtains the resource parameters that the PoC terminal receives the background media information, and sets up back indication background media server to PoC terminal plays background medium at PoC session.That is to say that PoC terminal and PoC server are set up PoC session, PoC server and background media server are set up session, and the PoC server sends indication to the background media server, by the background media server to PoC terminal plays background medium.
Second kind of scheme, when PoC terminal and PoC server were set up PoC session, with the background media server link that connects, the PoC terminal can send the background medium to the request of background media server, afterwards, directly send the background medium to the PoC terminal by the background media server.
Concrete, the PoC terminal provides after the local session description, background media server, PoC server respond conversation description separately separately, final PoC terminal is set up the link that is connected with background media server, PoC server respectively, receives and plays background medium, reception respectively and send PoC speech medium.
The third scheme, after PoC terminal and PoC server were set up PoC session, PoC server and background media server carried out media negotiation, obtained the required background medium of PoC terminal from the background media server, afterwards, the PoC server sends to corresponding PoC terminal with the background medium that obtain.
Concrete, finish media negotiation with the background media server by the PoC server, and finish the media negotiation with the PoC terminal, finally other users' speech and background medium are sent to the PoC terminal, and receive PoC terminal use's speech medium by the PoC server.That is: finish by the PoC server with PoC terminal and communicating by letter of background media server, the PoC terminal not with the direct communication of background media server.
Here, described background medium can be audio frequency or video or Voice ﹠ Video; Can also be the medium of other form, for example: contents such as picture, animation, literal.
Fig. 1 forms structural representation for the system that realizes the background media function in the PoC service session of the present invention, as shown in Figure 1, the system of this realization background media function comprises background media server, PoC server and the portable terminal that has the PoC function more than, wherein, portable terminal with PoC function can abbreviate the PoC terminal as, and the PoC terminal is also referred to as the PoC client in PoC session; The background media server links to each other with the PoC terminal with grouping (PS) territory, the mobile network base station of PoC server by the mobile communication core network.
Described background media server is used to provide functions such as the storage of background media resource, the transmission of background media resource, signaling process, business logic processing, and provides required background medium to the PoC terminal; Wherein, the background media server can be an equipment newly-increased in the system of the present invention, such as: an independent server is set, be exclusively used in and preserve the background media resource, and required background medium is indicated, provided in reception; Also can use in the existing PoC session system equipment, and be provided with therein and finish the functional module that the background medium provide in the support media technology of using.
Here, describedly provide required background medium to be: to receive the indication of PoC server, and provide required background medium to the PoC terminal according to indication to the PoC terminal; Or, directly provide required background medium to the PoC terminal according to the request of PoC terminal; Or, according to the request of PoC server, provide the PoC terminal required background medium to the PoC server.
Described PoC server is used for setting up PoC session with the PoC terminal;
Described PoC server also is used for setting up session with the background media server, obtains the resource parameters that the PoC terminal receives the background media information, and provides required background medium according to the resource parameters indication background media server that obtains to the PoC terminal; Perhaps, also be used for obtaining the background medium, and the background medium that obtain are sent to the PoC terminal from the background media server.
Described PoC terminal is used for setting up PoC session with the PoC server, and functions such as right to speak application, the transmission of speech voice and reception are provided, and obtains the background medium that the background media server provides, and play the background medium that receive in the PoC session process;
Described PoC terminal also is used for providing the resource parameters that receives the background media information to the PoC server, and wherein, described resource parameters comprises IP address, port numbers, media decodes etc. at least.Here, described background medium can be audio frequency or video or Voice ﹠ Video, can also be picture or animation or literal etc.; Concrete, the background medium can be light and slow music, rhythmical music etc., also can be the video/audio segments etc. of corporate culture propaganda, products propaganda.
Described PoC terminal also is used for sending request to the background media server, directly obtains the background medium from the background media server; Perhaps, obtain the background medium from the PoC server.
Fig. 2 is a kind of composition structural representation of PoC module of supporting the background media function on the PoC terminal, as shown in Figure 2, with the background medium kind is that audio frequency, video are example, PoC module on the PoC terminal of support background media function is made up of PoC logical AND signalling module, medium process module, audio frequency and video playing module; Wherein, medium process module is divided into background medium receiver module again, the PoC speech sends and receiver module.
Described PoC logical AND signalling module is used to finish PoC session and sets up, safeguards and the functions such as Signalling exchange of signaling protocol stack and server that described Signalling exchange comprises sip message, right to speak control etc.;
Described medium process module is used to receive the background medium, sends to the audio frequency and video playing module; And in the PoC session process, finish the reception of the transmission of local voice and other PoC terminal uses audio frequency and video when making a speech;
Concrete, described background medium receiver module, being exclusively used in provides resource to receive the background medium, after receiving the background medium, background media message bag is sent to the audio frequency and video playing module, makes the PoC terminal use can hear, see the background media effects;
Described PoC speech sends and receiver module, be used for when this PoC terminal obtains the floor, send local voice to the PoC server, also be used for when other PoC terminals obtain the floor, receive the audio, video data that other PoC terminal uses make a speech and transmit, and the audio, video data of receiving sent to the audio frequency and video playing module, play to this PoC terminal use through the audio frequency and video playing module; Here, the PoC session process is single worker, promptly can only be speech, maybe can only be the speech that receives other users.
Described audio frequency and video playing module is used for playing audio frequency, the video media-data of receiving to the PoC terminal use.
The division of module shown in Figure 2 just realizes providing in the PoC service session a kind of signal of the PoC terminal of background media function, and is not used in and limits the PoC terminal that realizes the background media function.
Described PoC module can be provided with local background medium processing policy, the parameter setting for example is provided, allows the user to close reception background media function and parameter is set, when this PoC terminal is made a speech or have other PoC terminal uses to make a speech this PoC of arrival terminal, can suspend and play the background medium.
Be example with first kind of scheme below, with specific embodiment realization of the present invention be described in detail in conjunction with the accompanying drawings.
A kind of handling process that realizes background media function method may further comprise the steps as shown in Figure 3 in the PoC service session of the present invention:
Set up PoC session between step 301:PoC terminal and the PoC server;
Here, the PoC server can further obtain the resource parameters that the PoC terminal receives the background media information, described resource parameters can comprise: TCP IP address, port numbers, whether ready signal, whether support audio/video, and the coded format when supporting audio/video, sample frequency, video formats or the like information.
Described PoC server obtains the resource parameters that receives the background media information can two kinds of obtain manners: a kind of PoC of being terminal initiatively sends the resource parameters that self receives the background media information, such as: set up the resource parameters that carries reception background media information in the request at PoC session; Another kind is to be asked for to the PoC terminal by the PoC server, such as: the PoC server is sent out message to the PoC terminal, request PoC terminal to report receives the resource parameters of background media information, after the PoC terminal is received request, sends the resource parameters that self receives the background media information to the PoC server again.
For each PoC terminal,, also the function that does not receive the background medium or close reception background medium can be set in the resource parameters that receives the background media information if do not wish to play the background medium.That is to say that the PoC terminal can be provided with local policy, close and receive the background medium.
Step 302:PoC server indication background media server is to PoC terminal plays background medium;
Here, the PoC server need be set up session with the background media server after setting up session with first PoC terminal, afterwards, does not just need to set up session with the background media server again.
Described PoC server indication background media server is to PoC terminal plays background medium, the PoC server is to indicate according to the resource parameters of the reception background media information that obtains, such as: which background medium indication background media server sends to which TCP/IP address, which port, with what audio/video format, what frequency sends or the like.
Do not receive the background medium or close the PoC terminal that receives the background medium for being provided with in the resource parameters, the PoC server does not indicate the background media server to transmit the background medium to it.Certainly, the PoC terminal also can receive the background medium earlier, promptly opens to receive the background media function, in receiving background medium or background media play process, closes the background media function as required at any time, promptly closes the broadcast of background medium.
Here, the PoC server is set up session with the background media server after setting up session with first PoC terminal, afterwards, after each PoC server and initiate PoC terminal are set up session, just directly sends indication to the background media server and gets final product.
Step 303: the background media server sends the background medium according to indication to the PoC terminal, and the PoC terminal is play the background medium of being received after receiving the background medium.
Here, described can be to send the background medium to a plurality of PoC terminals simultaneously to PoC terminal transmission background medium, and, can send identical background medium to a plurality of PoC terminals, also can send different background medium to different PoC terminals, can also be the identical background medium of part PoC terminal transmission in a plurality of PoC terminals, part PoC terminal sends different background medium respectively.
Further, this method can also comprise:
After having new PoC terminal to add this PoC session, the PoC server obtains the resource parameters that this PoC terminal receives the background media information earlier; Indicate the background media server to the PoC of new adding PoC session terminal plays background medium according to the resource parameters of the reception background media information that obtains again; The background media server sends the background medium according to indication to initiate PoC terminal; Initiate PoC terminal is play the background medium after receiving the background medium.
Here, the resource parameters of the reception background media information of the PoC terminal of each new adding session, the PoC server can obtain according to the dual mode of step 301.
In this step, PoC server indication background media server is before PoC terminal plays background medium, and can also increase determining step: whether the PoC terminal of judging current adding session needs to play the background medium.
Need to prove that playing the background medium does not influence normal PoC session, that is to say, in the process of above-mentioned broadcast background medium, the normal request floor power of PoC terminal, speech speech.
Fig. 4 is the signaling process schematic diagram of realization background media function one embodiment in the PoC service session of the present invention, for simplicity's sake, the main signaling message that only drawn among Fig. 4, described is example with the simplest class PoC session just also.In the present embodiment, PoC terminal A and PoC terminal B carry out PoC session, and as shown in Figure 4, present embodiment realizes that the method for background media function may further comprise the steps:
Step 401~403:PoC terminal A sends invitation message INVITE to the PoC server, and PoC session is set up in request, PoC server response 200OK message, and PoC terminal A responds ACK message after receiving 200OK, and PoC session is set up.
Here, in the message body of the INVITE that PoC terminal A sends, can carry the resource parameters that receives the background media information.
Step 404~406:PoC server sends invitation message INVITE to the background media server, background media server response 200OK message, the PoC server responds ACK message after receiving 200OK message, sets up session between PoC server and the background media server.
Step 407~408:PoC server sends Indication message INFO to the background media server, and indication background media server sends the background medium to PoC terminal A, as audio frequency, video.
Step 409a: the background media server sends the background medium to PoC terminal A, after PoC terminal A receives the background medium, plays the background medium of being received, as audio frequency, video etc.; PoC terminal use A listens to, watches the background medium of broadcast.
Step 409b:PoC server sends invitation message INVITE to PoC terminal B, invite PoC terminal B to add PoC session, PoC terminal B response 180RING message, 200OK message, the PoC server responds ACK message after receiving 200OK message, and PoC terminal B joins in the PoC session of having set up step 401~403.
Here, PoC terminal B can carry the resource parameters that receives the background media information in the message body of response message.
Above-mentioned steps 409a and 409b can executed in parallel, or sequencing carries out, and execution sequence does not limit.
Step 410~413:PoC server sends Indication message INFO to the background media server, and indication background media server sends the background medium to PoC terminal B, as audio frequency, video etc.; The background media server sends the background medium to PoC terminal B, after PoC terminal B receives the background medium, plays the background medium of being received, as audio frequency, video etc., PoC terminal use A listens to, watches the background medium of broadcast.
In actual applications, step 410~413 and 409a also can executed in parallel, and step 410~413 do not limit with the execution sequence of 409a yet.
Step 414:PoC terminal A, PoC terminal B carry out PoC session, in PoC session, can weigh, make a speech by request floor, and the speech medium can be given other PoC terminals through the PoC server forwards.
Here, the speech medium can comprise data such as audio frequency, video.
In the said process, PoC terminal A, party B-subscriber can hear or see the background medium of broadcast during whole session, comprise audio frequency and/or video, and can receive and play the speech medium from PoC service simultaneously, comprise audio frequency and/or video.
The foregoing description has been simplified the media negotiation between PoC terminal, background media server, the PoC server, in actual applications, can use other media negotiation mode, communicate mode.
The foregoing description, core net are applicable to the core net of 3GPP IMS territory, 3GPP2 MMD territory and other support SIP/IP; Wireless network is applicable to networks such as GPRS/EDGE, CDMA, WCDMA, LTE, WiFi, WiMAX; The PoC terminal can be the combination of above-mentioned one or more wireless standards, that is: the user can use the portable terminal of single mode, bimodulus or multimode.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (16)

1. realize the method for background media function in the sub-district push-to-talk PoC service session, it is characterized in that this method comprises:
Set up PoC session between PoC terminal and the PoC server, and obtain the background medium from the background media server; After the PoC terminal obtains the background medium, play the background medium of being received.
2. method according to claim 1 is characterized in that, describedly obtains the background medium from the background media server and is specially:
The PoC server obtains the resource parameters that the PoC terminal receives the background media information, and indicates the background media server to PoC terminal plays background medium according to the resource parameters that obtains;
The background media server sends the background medium according to indication to the PoC terminal, and the PoC terminal receives the background medium.
3. method according to claim 2 is characterized in that, this method further comprises: the PoC server is set up session with the background media server after setting up session with first PoC terminal.
4. method according to claim 2 is characterized in that, the resource parameters that described PoC server obtains PoC terminal reception background media information is: the PoC terminal initiatively sends the resource parameters that self receives the background media information; Perhaps,
To the PoC terminal request, the PoC terminal sends the resource parameters that self receives the background media information according to request to the PoC server by the PoC server.
5. method according to claim 4 is characterized in that, described resource parameters comprises closes reception background medium;
PoC server indication background media server is before PoC terminal plays background medium, and further comprise: whether the PoC terminal of judging current adding session needs to play the background medium.
6. method according to claim 1 is characterized in that, describedly obtains the background medium from the background media server and is specially:
When PoC terminal and PoC server are set up PoC session, with the background media server link that connects; The PoC terminal sends the background medium to the request of background media server, directly sends the background medium by the background media server to the PoC terminal, and the PoC terminal receives the background medium of being asked; Perhaps,
After PoC terminal and PoC server are set up PoC session, PoC server and background media server carry out media negotiation, obtain the required background medium of PoC terminal from the background media server, afterwards, the PoC server sends to corresponding PoC terminal with the background medium that obtain.
7. according to each described method of claim 1 to 6, it is characterized in that described background medium are one of following type or its combination in any: audio frequency, video, picture, animation, literal.
8. realize the system of background media function in the PoC service session, it is characterized in that this system comprises: background media server, PoC server and an above PoC portable terminal; Wherein,
Described background media server is used to provide the storage of background media resource, background media resource to send, and provides required background medium to the PoC terminal;
Described PoC server is used for setting up PoC session with the PoC terminal;
Described PoC terminal is used for setting up PoC session with the PoC server, obtains the background medium that the background media server provides, and plays the background medium that receive in PoC session.
9. system according to claim 8 is characterized in that, described background media server provides required background medium to be to the PoC terminal: receive the indication of PoC server, and provide required background medium according to indication to the PoC terminal; Or, directly provide required background medium to the PoC terminal according to the request of PoC terminal; Or, provide the PoC terminal required background medium to the PoC server according to the request of PoC server.
10. system according to claim 8, it is characterized in that, described PoC server, also be used for setting up session with the background media server, obtain the resource parameters that the PoC terminal receives the background media information, and provide required background medium to the PoC terminal according to the resource parameters indication background media server that obtains;
Perhaps, also be used for obtaining the background medium, and the background medium that obtain are sent to the PoC terminal from the background media server.
11. system according to claim 8 is characterized in that, described PoC terminal also is used for providing the resource parameters that receives the background media information to the PoC server;
Also be used for sending request, directly obtain the background medium from the background media server to the background media server; Perhaps, obtain the background medium from the PoC server.
12. to 10 each described systems, it is characterized in that according to Claim 8 described background media server is the server that is provided with separately; Or for being arranged at the functional module in the existing device.
13. to 10 each described systems, it is characterized in that according to Claim 8 described background medium are one of following type or its combination in any: audio frequency, video, picture, animation, literal.
14. a PoC terminal comprises PoC logical AND signalling module; It is characterized in that this terminal also comprises: medium process module, audio frequency and video playing module; Wherein,
Described medium process module is used to receive the background medium, sends to the audio frequency and video playing module; And in PoC session, finish the reception of the transmission of local voice and other PoC terminal uses audio frequency and video when making a speech;
Described audio frequency and video playing module is used for playing audio frequency, the video media-data of receiving to the PoC terminal use.
15. PoC terminal according to claim 14 is characterized in that, described medium process module comprises that again background medium receiver module, PoC speech send and receiver module; Wherein,
Described background medium receiver module is used to provide resource to receive the background medium, after receiving the background medium, background media message bag is sent to the audio frequency and video playing module;
Described PoC speech sends and receiver module, is used for when this PoC terminal obtains the floor, and sends local voice to the PoC server; When other PoC terminals obtain the floor, receive the audio, video data that other PoC terminal uses make a speech and transmit, and the audio, video data of receiving is sent to the audio frequency and video playing module, play to this PoC terminal use through the audio frequency and video playing module.
16., it is characterized in that described background medium are one of following type or its combination in any: audio frequency, video, picture, animation, literal according to claim 14 or 15 described PoC terminals.
CN200910088612XA 2009-06-30 2009-06-30 Method and system for realizing background media function during PoC (Push to Talk over Cellular) service conversation as well as terminal Pending CN101938706A (en)

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PCT/CN2009/075413 WO2010145129A1 (en) 2009-06-30 2009-12-08 Method, system and terminal for realizing background media function in push to talk over cellular (poc) service session

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