CN101695025B - Method, system and broadcasting sever for implementation of broadcasting media resources in next-generation networks - Google Patents
Method, system and broadcasting sever for implementation of broadcasting media resources in next-generation networks Download PDFInfo
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- CN101695025B CN101695025B CN200910211121.XA CN200910211121A CN101695025B CN 101695025 B CN101695025 B CN 101695025B CN 200910211121 A CN200910211121 A CN 200910211121A CN 101695025 B CN101695025 B CN 101695025B
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Abstract
The invention discloses a method, a system and a media broadcast sever for implementation of broadcasting media resources in next-generation networks. The method includes that an application sever determines a service identifier according to a called number in a call and transmits the service identifier and address information of a calling party to the broadcast sever; the broadcast sever determines an input port on an input interface corresponding to the service identifier, distributes an output port on an output interface for the calling party, establishes media connection with the calling party according to the address information of the calling party; and the broadcast sever forwards the media resources on the input port to the output port and then transmits the media resources to the calling party. The method, the system and the sever solve the problem of incapability of providing shared media resource services with high concurrency value, such as providing 12121 weather forecast and the like due to limited numbers of media sever ports under the current soft switch networks.
Description
Technical field
The present invention relates to softswitch application technical field, particularly relate to broadcasting media resources implementation method in a kind of next generation network, system and media broadcast services device.
Background technology
The many voice-guide services of telecommunications, such as 12121 weather forecasts, 12117 pairs time etc. business, be all the business that user often uses.In these business, the recorded announcement heard after all users dial is identical voice, belongs to the voice resource of share class.When realizing dialing the broadcast voice service business such as 12121 weather forecasts in traditional telephone network, by 112 platforms, voice resource timing is dealt on switch voice plate, then by switch sound bus switch to subscriber line circuit port realizing sharing of voice communication information.
Based in the next generation network of soft switchcall server, each network element is disconnected from each other, and sound resource leaves in specific Media Resource Server, and subscriber line circuit is then in corresponding media gateway.As user needs to dial voice service, each calling must take DSP (the Digital Signal Processing of media server, Digital Signal Processing) resource, and the DSP disposal ability of media server is very limited, therefore provide the voice service that this kind of concurrency of 12121 weather forecast is very high very difficult.
Based in the next generation network of soft switch, also there are the problems referred to above in other share class medium resource service.
Summary of the invention
The technical problem that the present invention will solve is to provide broadcasting media resources implementation method and system in a kind of next generation network, can solve and provide the problem that the cost of share class resource service class business is high in flexible exchanging network.
The invention provides broadcasting media resources implementation method in a kind of next generation network, comprising: application server receives the calling from calling subscriber, according to called number determination service identification, service identification and calling party address information is sent to broadcasting server; Input port corresponding with service identification on broadcasting server determination input interface, the input port on the input interface of described broadcasting server is connected with media resource platform, by input port receiving media resource; Broadcasting server distributes output port on the outgoing interface for calling subscriber, sets up media be connected according to calling party address information with calling subscriber; Media resource on input port is forwarded to the output port for described calling subscriber distributes by broadcasting server, by the output port distributed for described calling subscriber, institute's body resource is sent to calling subscriber.
According to an embodiment of broadcasting media resources implementation method of the present invention, when broadcasting server receives multiple calling party address information with identical services mark, the media resource of input port is copied to the multiple output ports corresponding with multiple calling subscriber by broadcasting server.
According to an embodiment of broadcasting media resources implementation method of the present invention, the input port on the input interface of broadcasting server, for being converted to the media stream formats that flexible exchanging network is supported by the media resource from particular media asset platform.
The present invention also provides broadcasting media resources in a kind of next generation network to realize system, comprise: application server, for receiving the calling from calling subscriber, according to called number determination service identification, service identification and calling party address information are sent to broadcasting server; Broadcasting server, for receiving the address information of service identification and calling subscriber; Determine input port corresponding with service identification on input interface, the input port on the input interface of described broadcasting server is connected with media resource platform, by input port receiving media resource; For calling subscriber distributes output port on the outgoing interface, set up media according to calling party address information with calling subscriber and be connected; Media resource on input port is forwarded to the output port for described calling subscriber distributes, by the output port distributed for described calling subscriber, media resource is sent to calling subscriber.
Broadcasting media resources according to the present invention realizes an embodiment of system, the media resource of input port, when receiving multiple calling party address information with identical services mark, is copied to the multiple output ports corresponding with multiple calling subscriber by broadcasting server.
Broadcasting media resources according to the present invention realizes an embodiment of system, and this system also comprises: media resource platform, for providing described media resource.On the input interface of broadcasting server, input port is connected with media resource platform, for the media resource from media resource platform being converted to the media stream formats that flexible exchanging network is supported.
The present invention also provides a kind of broadcasting server, comprising: input interface, and for passing through input port receiving media resource, the input port on described input interface is connected with media resource platform; Output interface, for sending media resource by output port; Signaling processing module, is set up request for receipt of call, is obtained in described setup requests and comprise service identification and station address information, described service identification and station address information are sent to broadcasting processor by signaling resolution; Broadcasting processor, for receiving described service identification and station address information, described output interface distributes output port, sets up media be connected according to described station address information with user; The input port corresponding with the media resource of described setup requests is determined on the input interface according to described service identification; The media resource of described input port is forwarded to described output port.
In next generation network provided by the invention, broadcasting media resources realizes system and method, adopt MCS device, in conjunction with corresponding call flow, under the control of AS server, realize, to the broadcast using the user of this business to carry out Media Stream, solving and provide the problem that the network cost of share class resource service class business is very high in based on the next generation network of soft switch.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
Fig. 1 illustrates the network architecture diagram that in next generation network of the present invention, voice broadcast service realizes;
Fig. 2 illustrates the flow chart of an embodiment of broadcasting media resources implementation method in next generation network of the present invention;
Fig. 3 illustrates the flow chart of an application examples of broadcasting media resources implementation method in next generation network of the present invention;
Fig. 4 illustrates the structure chart of an embodiment of broadcasting server of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.
Basic thought of the present invention is in network system, increase MCS (Media Broadcasting Server, media broadcast services device) equipment, utilize multicast or broadcast principles, controlled by the signaling of AS, realize by MCS equipment the function that a kind of media resource of input carries out to the user of such business of all-calls broadcasting.
Fig. 1 illustrates the network architecture diagram that in next generation network of the present invention, voice broadcast service realizes.As shown in Figure 1, in this network system, comprise AS (application server) 11, MCS 12, (one or more) media resource platform 13, user 14 (such as, user A and B).Wherein, AS 11 receives the calling from calling subscriber 14, according to called number determination service identification, service identification and calling subscriber 14 address information is sent to MCS 12.Such as, AS 11 passes through expanded signalling parameter in a sip message, by service identification and station address message notice MCS12.MCS 12 receives the address information of service identification and calling subscriber 14; Determine input port corresponding with the service identification received on input interface, for calling subscriber 14 distributes output port on the outgoing interface, set up media according to calling subscriber 14 address information with calling subscriber 14 and be connected; Media resource on input port being forwarded to the output port for distributing to calling subscriber 14, by output port, media resource being sent to calling subscriber 14.Calling party address information can comprise IP address and port.
According to one embodiment of present invention, MCS 12 comprises signaling processing module 121, broadcasting processor 122, input interface 123 and output interface 124.Wherein, input interface 123 is for passing through input port receiving media resource, and output interface 124 is for sending media resource by output port; Signaling processing module 121 receipt of call sets up request, is obtained in setup requests and comprises service identification and station address information, service identification and station address information are sent to broadcasting processor 122 by signaling resolution; Broadcasting processor 122 receives service identification and station address information, for user distributes output port on output interface 124, sets up media be connected according to station address information with user; On input interface 123, the input port corresponding with the media resource of setup requests is determined according to service identification; The media resource of input port is forwarded to corresponding output port.
If when MCS receives multiple calling subscriber (such as user A and user B) to same service request simultaneously, namely MCS receives multiple calling party address information with identical services mark, then the media resource of the input port corresponding with service identification is copied to the output port corresponding with multiple calling subscriber by MCS, send to calling subscriber (such as user A and user B) by output port media resource, thus the output port of backward all such business of use of the Streaming Media obtained from same input port is broadcasted.
Realize an embodiment of system according to voice broadcast service in next generation network of the present invention, MCS has multiple input port, and each input port and a media resource platform (such as, media resource platform 1 or media resource platform 2) are connected.Media resource platform provides media resource, and the media resource from corresponding media resource platform is converted to the media stream formats that flexible exchanging network is supported by MCS, sends to user by output port.
Such as, signaling processing module 121 receives the setup requests of AS, and this request comprises the service identification of public sound resource and the IP address of user and port that representative of consumer dials.The IP address of user and port are passed to broadcasting processor 122 by signaling processing module 121, control broadcasting processor 122 is set up media with user terminal and is connected, service identification is passed to broadcasting processor 122, control broadcasting processor 122 connects the public sound resource that user dials.Broadcasting processor 122 distributes an output port on output interface 124, sets up media be connected with user terminal; According to the input port that service identification finds the public sound resource of asking with user corresponding on input interface 123; By the IP Packet forwarding of selected input port to appointed output terminal mouth; If there is multiple user to ask same public sound resource simultaneously, broadcasting processor needs the IP copying input port to wrap multiple output port.The public sound resources shifting coming from the platforms such as 12121,12117 is the media stream formats (as G.711) that flexible exchanging network is supported by input interface 123 on input port.This operation can be carried out automatically, without the need to to have user to dial public sound resource relevant.Output interface 124, the media bag of the public sound resource that broadcasting processor 122 forwards by the output port of distribution has been sent to user side.
Fig. 2 illustrates the flow chart of an embodiment of broadcasting media resources implementation method in next generation network of the present invention.
As shown in Figure 2, in step 202, application server receives the calling from calling subscriber, according to called number determination service identification, service identification and calling party address information is sent to broadcasting server.Service identification can be identical from called number or different, and calling party address information can comprise IP address and the port numbers of calling subscriber.
In step 204, input port corresponding with service identification on broadcasting server determination input interface.When input interface there being multiple input port, the corresponding relation of each input port on broadcasting server storage service mark and input interface.When receiving the service request from AS, determine corresponding input port according to service identification.
In step 206, broadcasting server distributes output port on the outgoing interface for calling subscriber, sets up media be connected according to calling party address information with calling subscriber.
In step 208, the media resource on input port is forwarded to output port by broadcasting server, and media resource is sent to calling subscriber.
Fig. 3 illustrates the flow chart of an application examples of broadcasting media resources implementation method in next generation network of the present invention.In this application examples, calling user dials weather forecast 12121, listens to the recorded announcement of associated weather situation, and idiographic flow step is as follows:
In step 302, calling user dials 12121, initiates a call to soft switch (SS), namely sends Invite (SDPA) to soft switch, carries party A-subscriber's SDP information in this Invite message.
In step 304, soft switch routing addressing, to relevant AS server, sends Invite (SDPA) to AS server.
In step 306, AS server judges that the number of caller dials is 12121, call corresponding weather forecasts services logic, for the business of such shared voice class, insert Voice Broadcast Service in a sip message and identify and be sent to MCS:Invite (SDPA, 12121, Mul), wherein, 12121 refer to called number, MUL refers to that Voice Broadcast Service identifies, and shows that this calling is a broadcast type business.
In step 308, according to the service identification in signaling, MCS knows that such business is shared voice class business, then call relevant mapping table, searches the input slogan of corresponding weather forecasts services.Set up path between MCS and user, and select a transmit port, return response 200OK (SDPMCS) to AS, wherein carry the SDP information of MCS.
In step 310, AS returns response 200OK (SDPMCS) to SS.
In step 312, SS returns response 200OK (SDPMCS) to calling subscriber, the connection establishment between MCS and calling subscriber.
In step 314, MCS sends recorded announcement to user, and user listens to weather forecast in side.
Embodiments of the invention, define and extend the special parameter in sip message, add service identification, define the Service control that relevant signaling process realizes AS.Adopt MCS device, under the control of AS server, add Broadcasting Control function in a sip message, achieve the broadcast flowing to multi-user from single medium, thus 12121 weather forecasts are provided, the business that shared sound such as 12117 grade is resources-type, solve current under flexible exchanging network, the problem that this kind of broadcast-type voice service of 12121 weather forecast class business is provided is difficult to due to media server DSP resource-constrained, also former 112 platform devices of PSTN network are solved aging, need the problem of logout, and greatly reduce the cost of investment of this kind equipment, for such business development provides a kind of effectively implementation method.
Fig. 4 illustrates the structure chart of an embodiment of broadcasting server of the present invention.This broadcasting server comprises signaling processing module 121, broadcasting processor 122, input interface 123, output interface 124 and broadcast address list 425.Signaling processing module 121, broadcasting processor 122, input interface 123 and output interface 124 can see the descriptions of respective modules in Fig. 1, for for purpose of brevity, are not described in detail at this.Broadcast address list 425 receives service identification from signaling processing module 121 and station address information, is stored into address list, comprises the station address information corresponding with service identification in this address list; Broadcasting processor 122 is broadcasted to user according to the Media Stream of address list to input port.When MCS only provides a kind of business service, in address list, service identification can be omitted.
Method provided by the invention, system and broadcasting server, have employed a kind of MCS device, in conjunction with corresponding call flow, under the control of AS server, signaling extensions is utilized to realize, to the broadcast using the user of this business to carry out Media Stream, solving and provide the problem that the network cost of share class resource service (such as broadcast-type voice service) class business is very high in flexible exchanging network.Method and system of the present invention does not need the DSP resource taking media server, does not thus rely on the ability of media server, solves the number of concurrent limitation capability of media server, can reduce business input cost, shortens the business development cycle.Service control simple and flexible, extensibility is strong; Solve in flexible exchanging network the problem of carrying out the very high voice service of this kind of concurrency, for user on flexible exchanging network convenient provide flexibly 12121 weather forecasts, 12117, the resources-type business of the shared sound such as acquiescence CRBT.
Claims (6)
1. a broadcasting media resources implementation method in next generation network, is characterized in that, comprising:
Application server receives the calling from calling subscriber, according to called number determination service identification, by the INVITE of SIP, described service identification and described calling party address information is sent to broadcasting server; Wherein, service identification parameter is extended in described INVITE;
Input port corresponding with described service identification on described broadcasting server determination input interface, the input port on the input interface of described broadcasting server is connected with media resource platform, by input port receiving media resource; When described input interface there being multiple input port, the corresponding relation of each input port on described broadcasting server storage service mark and described input interface; Described broadcasting server is that described calling subscriber distributes output port on the outgoing interface, sets up media be connected according to described calling party address information with described calling subscriber;
Media resource on described input port is forwarded to the output port for described calling subscriber distributes by described broadcasting server, by the output port distributed for described calling subscriber, described media resource is sent to described calling subscriber;
When described broadcasting server receives multiple calling party address information with identical services mark, the media resource of described input port is copied to the multiple output ports corresponding with described multiple calling subscriber by described broadcasting server;
Input port on the input interface of described broadcasting server is used for the media stream formats media resource from particular media asset platform being converted to flexible exchanging network support.
2. broadcasting media resources implementation method according to claim 1, is characterized in that, described media resource is public sound resource, and described calling party address information comprises IP address and port.
3. in next generation network, broadcasting media resources realizes a system, it is characterized in that, comprising:
Application server, for receiving the calling from calling subscriber, according to called number determination service identification, by the INVITE of SIP, described service identification and described calling party address information are sent to broadcasting server, wherein, service identification parameter is extended in described INVITE;
Described broadcasting server, for receiving the address information of described service identification and calling subscriber; Determine input port corresponding with described service identification on input interface, the input port on the input interface of described broadcasting server is connected with media resource platform, by input port receiving media resource; For described calling subscriber distributes output port on the outgoing interface, set up media according to described calling party address information with described calling subscriber and be connected; Media resource on described input port is forwarded to the output port for described calling subscriber distributes, by the output port distributed for described calling subscriber, described media resource is sent to described calling subscriber;
The media resource of described input port, when receiving multiple calling party address information with identical services mark, is copied to the multiple output ports corresponding with described multiple calling subscriber by described broadcasting server;
Media resource platform, for providing described media resource;
Input port on the input interface of described broadcasting server is used for the media stream formats media resource from described media resource platform being converted to flexible exchanging network support.
4. broadcasting media resources according to claim 3 realizes system, it is characterized in that, described media resource is public sound resource, and described calling party address information comprises IP address and port.
5. a media broadcast services device, is characterized in that, comprising:
Input interface, for passing through input port receiving media resource, the input port on described input interface is connected with media resource platform;
Output interface, for sending media resource by output port;
Signaling processing module, for receiving the INVITE of SIP, by resolving the service identification and station address information that obtain and comprise in described INVITE, described service identification and station address information are sent to broadcasting processor, wherein, service identification parameter is extended in described INVITE;
Described broadcasting processor, for receiving described service identification and station address information, described output interface distributes output port, sets up media be connected according to described station address information with user; The input port corresponding with the media resource of setup requests is determined on the input interface according to described service identification; The media resource of described input port is forwarded to described output port;
When described broadcasting server receives multiple calling party address information with identical services mark, the media resource of described input port is copied to the multiple output ports corresponding with described multiple calling subscriber by described broadcasting server;
Broadcast address list, for receiving service identification from described signaling processing module and station address information, memory address list, comprises the station address information corresponding with service identification in described address list;
Described broadcasting processor is broadcasted to user according to the Media Stream of address list to input port.
6. media broadcast services device according to claim 5, is characterized in that, the media resource from media resource platform is converted to the media stream formats that flexible exchanging network is supported by the input port on described input interface.
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| CN101834896B (en) * | 2010-04-16 | 2012-10-03 | 惠州Tcl移动通信有限公司 | Method for linking whether information by address list of mobile communication terminal and mobile communication terminal |
| CN105100011B (en) * | 2014-05-14 | 2018-06-15 | 杭州海康威视系统技术有限公司 | A kind of media stream switching system |
| CN105262744B (en) * | 2015-10-10 | 2018-06-01 | 北京佳讯飞鸿电气股份有限公司 | A kind of method that media port multiplexing is realized in multimedia dispatching system |
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| CN101155047B (en) * | 2006-09-26 | 2010-05-12 | 华为技术有限公司 | Method and system for implementing multicast broadcasting service by microwave access into global intercommunication network |
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| CN1738263A (en) * | 2004-08-16 | 2006-02-22 | 中兴通讯股份有限公司 | Monitoring method for soft switching system media stream and gateway-monitoring processing device |
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