CN105391876A - Method and device for providing media services for communication - Google Patents
Method and device for providing media services for communication Download PDFInfo
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- CN105391876A CN105391876A CN201410447377.1A CN201410447377A CN105391876A CN 105391876 A CN105391876 A CN 105391876A CN 201410447377 A CN201410447377 A CN 201410447377A CN 105391876 A CN105391876 A CN 105391876A
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Abstract
The objective of the invention lies in providing a method and device for providing media services for communication. The method comprises the steps: distributing a corresponding media service resource for the communication media services of a calling side through media service network equipment after the calling side with the communication media services initiates a call; enabling the media service resource corresponding to access information of a called side to be supplied to the called side through the media service network equipment; and enabling the media service resource corresponding to access information of the calling side to be supplied to the calling side through the media service network equipment after the called side replies, so as to enable the calling side and the called side to obtain the communication media services on the distributed media service resource. The method can build synchronous communication media services for two sides of communication, and the communication media services specifically comprise a background music service which can provide a relaxing and friendly or other type of atmosphere.
Description
Technical field
The present invention relates to communication technical field, particularly relating to a kind of is the technology providing media services of conversing.
Background technology
As everyone knows, when people talk face-to-face, the background music that such as coffee shop, hotel provide can promote atmosphere that is light, friendly or other particular type for talking; And when user makes a phone call, in the phone for user provides background music also can play similar effect, at this, provide the service of background music can be regarded as a kind of media services.
In prior art, some mobile phones can by specific high-performance hardware or application program (application, referred to as APP) voice call is provided during background music, but, this mode can consume the electric energy of mobile phone, and the background music that mobile phone stores also can take memory space.
Summary of the invention
The object of this invention is to provide a kind of is the method and apparatus providing media services of conversing.
According to an aspect of the present invention, provide a kind of is the method providing media services of conversing in the media services network equipment, and wherein, the method comprises:
A after the calling party with call media services makes a call, for this time call media services of described calling party distribute corresponding media services resource;
The access information that described media services resource corresponds to callee is supplied to described callee by b;
The access information that described media services resource corresponds to described calling party, after described callee's response, is supplied to described calling party by c, obtains call media services to make described calling party and described callee in described media services resource.
According to another aspect of the present invention, additionally provide a kind of is the method providing media services of conversing in media network equipment, and wherein, the method comprises:
-after the calling party with call media services makes a call, be the request of the media services resource that described calling party distributes in response to the media services network equipment, for communication association is set up in this time call media services of described calling party;
-destination node in described communication association is returned to the described media services network equipment, wherein, the corresponding destination node of described calling party in described communication association is assigned with;
-after callee's response, in response to the notice of the described media services network equipment, the corresponding destination node in described communication association is distributed to described callee;
-call voice that described calling party and described callee send via its respective destination node is mixed with media resource respectively, and mixed call voice is sent to its corresponding communication counterpart respectively via the destination node of its corresponding communication counterpart.
According to an aspect of the present invention, additionally provide a kind of is the device providing media services of conversing in the media services network equipment, and wherein, this device comprises:
Service resource allocation device, after making a call the calling party with call media services, for this time call media services of described calling party distribute corresponding media services resource;
Called access generator, is supplied to described callee for the access information described media services resource being corresponded to callee;
Caller access generator, for after described callee's response, the access information that described media services resource corresponds to described calling party is supplied to described calling party, in described media services resource, obtains call media services to make described calling party and described callee.
According to another aspect of the present invention, additionally provide a kind of is the device providing media services of conversing in media network equipment, and wherein, this device comprises:
Communication association apparatus for establishing, after making a call the calling party with call media services, in response to the request of the media services network equipment, for communication association is set up in this time call media services of described calling party;
Communication association feedback device, for the destination node in described communication association is returned to the described media services network equipment, wherein, the corresponding destination node of described calling party in described communication association is assigned with;
Communication association updating device, for after callee's response, in response to the notice of the described media services network equipment, distributes to described callee by the corresponding destination node in described communication association;
Second call mixing arrangement, call voice for described calling party and described callee being sent via its respective destination node mixes with media resource respectively, and mixed call voice is sent to its corresponding communication counterpart respectively via the destination node of its corresponding communication counterpart.
Compared with prior art, the present invention is after the calling party with call media services makes a call, and this time call media services being this calling party by the media services network equipment distribute corresponding media services resource; Then, by the media services network equipment, the access information that this media services resource corresponds to callee is supplied to callee; And after this callee response, by the media services network equipment, the access information that media services resource corresponds to calling party is supplied to calling party, in distributed media services resource, obtains call media services to make calling party and callee.The present invention can set up synchronous call media services for communicating pair, and as Background Music Service, Background Music Service can provide easily, the atmosphere of friendly or other particular type.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 illustrates the schematic diagram adding background music in the call voice of user;
Fig. 2 illustrate in accordance with a preferred embodiment of the present invention be that call provides the system construction drawing of media services by the media services network equipment;
Fig. 3 illustrates to be that call provides the method flow diagram of media services by the media services network equipment according to an embodiment of the invention;
Fig. 4 illustrate in accordance with a preferred embodiment of the present invention be that call provides the method flow diagram of media services based on the system described in Fig. 2 by the media services network equipment;
Fig. 5 illustrates and cooperatively interacts as call provides the system construction drawing of media services according to another preferred embodiment of the present invention by the media services network equipment and media network equipment;
Fig. 6 illustrates and cooperatively interacts as call provides the method flow diagram of media services according to the media services network equipment based on the system described in Fig. 5 of another preferred embodiment of the present invention and media network equipment;
Fig. 7 illustrates the method flow diagram of selection media services and unlatching is conversed in accordance with a preferred embodiment of the present invention;
Fig. 8 illustrates the method flow diagram of the closedown call media services according to another preferred embodiment of the present invention;
Fig. 9 illustrates that the media services network equipment and media network equipment cooperatively interact as the method flow diagram providing media services of conversing in accordance with another embodiment of the present invention;
Figure 10 illustrates to be that call provides the device schematic diagram of media services by the media services network equipment in accordance with another embodiment of the present invention;
Figure 11 illustrates that the media services network equipment and media network equipment cooperatively interact as the device schematic diagram providing media services of conversing in accordance with another embodiment of the present invention.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The invention provides a kind of is the scheme providing media services of conversing in the core net of communication system.Further, for the purpose of simple declaration, the present invention only to provide media services to illustrate for conversing in IMS (IPMultimediaSubsystem, IP Multimedia System) core net.Those skilled in the art will be understood that other network architectures that are existing or that may occur from now on are as being applicable to the present invention, within also should being included in scope, and are contained in this at this with way of reference.
Wherein, described media services include but not limited to the service that provides background music in call, provide any media contents such as language teaching.At this, the talking mode of described call should be not limited to voice call, also can comprise other multimedia sessions, as video calling.
Described Background Music Service refers to the service providing the audio content such as music or audio music as a setting during conversing, and Background Music Service can provide easily for such as voice call participant, the atmosphere of friendly or other particular type.
Described language teaching service refers to, during conversing, provide audio content for the service of language teaching object, language teaching service is applicable to use during teacher and student carry out voice call, and such as teacher can explain the content such as word, grammer in foreign language audio or writing in classical Chinese audio frequency to student.
For the purpose of simple declaration, the present invention illustrates mainly with providing Background Music Service in voice call.Those skilled in the art will be understood that; voice call and Background Music Service are only as to providing the one of media services to illustrate in call; other talking modes that are existing or that may occur from now on and/or media services are as being applicable to the present invention; also within scope should being included in, and this is contained at this with way of reference.
Such as, consult Fig. 1, user A and user B carries out voice call, after mixing, is addressed to user B from the call voice of user A with background music; After mixing with background music from the call voice of user B, be addressed to user A.Accordingly, A and B will obtain identical and synchronous background music.
The solution of the present invention can be realized by the media services network equipment and media network equipment.
In one implementation, media network equipment is integrated in the media services network equipment, and media network equipment is as the functional module of in the media services network equipment (herein sometimes referred to as media module).For ext nal network element, these ext nal network element are all only carried out with the media services network equipment alternately, by internal interface pass-along message between the media services network equipment and media network equipment.
Such as, consult Fig. 2, ext nal network element is as SBC (SessionBorderController, Session Border Controller)/P-CSCF (ProxyCallSessionControlFunction, Proxy Call Session Control Function unit), S-CSCF (ServingCallSessionControlFunction, service call conversation control function unit), the media services network equipment can pass through as SIP (SessionInitiationProtocol, Session initiation Protocol) carry out alternately with S-CSCF, and pass through as RTP (RealTimeProtocol, RTP) carry out alternately with SBC/P-CSCF.
When providing call media services for user, the media services network equipment can be set up media services for communicating pair and connect.Particularly, coordinate and consult Fig. 3, in step 301, after the calling party with call media services makes a call, the media services network equipment is that this time call media services of this calling party distribute corresponding media services resource; In step 302, the access information that distributed media services resource corresponds to callee is supplied to this callee by the media services network equipment; In step 303, after this callee response, the access information that distributed media services resource corresponds to calling party is supplied to this calling party by the media services network equipment, obtains call media services to make calling party and callee in distributed media services resource.Subsequently, calling party can mix with media resource in this media services resource with the call voice of callee by the media services network equipment respectively mutually, and mixed call voice is sent to corresponding communication counterpart respectively.
Wherein, the media services network equipment is undertaken alternately by internal interface and media module, for this time call media services of this calling party distribute corresponding media services resource in media module.After calling party and callee access this media services resource, by media module, its respective call voice is mixed mutually with media resource respectively, and mixed call voice is sent to corresponding communication counterpart respectively.
In another kind of implementation, media network equipment is separated with the media services network equipment, realizes its corresponding function separately.Ext nal network element carries out with media network equipment and the media services network equipment alternately, having carried out corresponding Message Transmission respectively.
Such as, consult Fig. 5, ext nal network element is as SBC/P-CSCF, S-CSCF, the media services network equipment can by such as Session Initiation Protocol and S-CSCF carry out alternately, media network equipment is undertaken alternately by such as Real-time Transport Protocol and SBC/P-CSCF, and carries out Message Transmission by H.248 message between media network equipment and the media services network equipment.
When providing call media services for user, the media services network equipment and media network equipment cooperatively interact and set up media services for communicating pair and be connected.Particularly, coordinate and consult Fig. 9, in step 901, after the calling party with call media services makes a call, media services network device requests media network equipment is that this time call media services of this calling party distribute corresponding media services resource, is used for the communication association of these call media services as set up; In step 902, in response to this request, media network equipment is that communication association is set up in this time call media services of this calling party; In step 903, the destination node in set up communication association is returned to the media services network equipment by media network equipment, and wherein, the corresponding destination node of calling party in this communication association is assigned with; In step 904, the access information that this media services resource corresponds to callee is supplied to callee by the media services network equipment, comprising the destination node corresponding to callee in communication association; In step 905, after this callee response, in response to the notice of the media services network equipment, the corresponding destination node in communication association is distributed to callee by media network equipment; In step 906, the access information that media services resource corresponds to calling party is supplied to calling party by the media services network equipment, comprising the destination node corresponding to calling party in communication association; In step 907, the call voice that calling party and callee send via its respective destination node mixes with media resource by media network equipment respectively, and mixed call voice is sent to its corresponding communication counterpart respectively via the destination node of its corresponding communication counterpart, in media services resource, obtains to make this calling party and this callee media services of conversing.
Such as, if user can use Background Music Service, when user initiates audio call, in the bearer path of carrying call voice, a media resource function unit (MediaResourceFunction, MRF) will be inserted into.This MRF can be the media services network equipment in above-mentioned implementation 1 or media module wherein, also can media network equipment in above-mentioned implementation 2.
Still consult Fig. 1, after Background Music Service is opened, background music mixes with the call voice (A and B) of both sides by media resource function unit in real time, and mixed call voice is sent to respectively the communication counterpart of a wherein side, therefore, A and B will obtain identical and synchronous background music.And before Background Music Service is opened, this media resource function unit is transparent transmission to signal, and also, this media resource function unit only forwards the call voice packet based on RTP (RealTimeProtocol, RTP).
Below will set forth above-mentioned two kinds of implementations respectively further combined with accompanying drawing.
implementation 1: by means of only the media services network equipment for call provides media services
Fig. 2 illustrate in accordance with a preferred embodiment of the present invention be that call provides the system construction drawing of media services by the media services network equipment.
As shown in Figure 2, IMS core net comprises: VoLTE (VoiceoverLongTermEvolution, carry out voice transfer by long-term evolving network) subscriber equipment, EPC (EvolvedPacketCore, the packet-based core networks of evolution), SBC/P-CSCF, S-CSCF and the media services network equipment, wherein EPC comprises PCRF (PolicyandChargingRulesFunction, strategy and charging rule functions unit) and PGW (Packet-DataNetworkGateway, packet data gateway).
The media services network equipment can be undertaken alternately by Session Initiation Protocol and S-CSCF, and is undertaken alternately by Real-time Transport Protocol and SBC/P-CSCF.
Fig. 4 illustrate in accordance with a preferred embodiment of the present invention be that call provides the method flow diagram of media services based on the system cause media services network equipment described in Fig. 2.
Coordinate and consult Fig. 2 and Fig. 4, in step 401, initiate P-CSCF to the incoming call requests of initiating S-CSCF transmission user, in this incoming call requests, comprise SDP1 and callee's number of Access Network gateway.This request is transmitted by such as INVITE (SDP1) message.
At this, in SDP (SessionDescriptionProtocol, Session Description Protocol) message, comprise IP address information, IP port information, vocoded information and other voice channel relevant information.
Particularly, the IP address information of Access Network gateway, IP port information, vocoded information and other voice channel relevant information is comprised in SDP1.Described Access Network gateway is often referred to SBC or PGW.
In step 402, initiate S-CSCF and detect initial filter criteria (InitialFilterCriteria, IFC), if find that calling party has call media services, initiating S-CSCF by initiating this request forward of P-CSCF to the media services network equipment, in this request, comprising callee's number and SDP1.
In step 403, the media services network equipment detects user subscription information (usersubscriptions) to determine whether calling party has call media services.If calling party has call media services, the media services network equipment is that this time call media services of this calling party distribute corresponding media services resource.
At this, above-mentioned initiation S-CSCF and the media services network equipment detect the mode whether calling party has call media services respectively, only as determining whether calling party has a kind of mode of call media services; In addition, also can only be detected by initiation S-CSCF, if calling party has call media services, initiate S-CSCF to need the call media service information of user to send to the media services network equipment by sip message, then the media services network equipment does not need again to detect calling party and whether has call media services; Or also can only be detected by the media services network equipment, if calling party does not have call media services, the media services network equipment needs to initiate S-CSCF by sip message notice.
Described media services resource comprises if the media services network equipment is the bearer path that this time call media services distribute.Those skilled in the art will be understood that, described media services resource also should comprise for providing software resource needed for this time call media services and hardware resource, wherein software resource is as provided the software program of call media services, and hardware resource is as provided the cpu resource, DSP (digital signal processor) resource etc. shared by call media services.
In step 404 and 405, the access information that media services resource corresponds to callee is supplied to callee by the media services network equipment.
More specifically, in step 404, the response corresponding to S-CSCF request is sent it back S-CSCF by the media services network equipment, comprises the access information that media services resource corresponds to callee in this response, is also SDP2.This response is transmitted by such as INVITE (SDP2) message.
At this, media services resource corresponds to the access information of callee and comprises (as media module) in the media services network equipment and distribute to (as media module) in the IP address information of callee, the media services network equipment and distribute to the IP port information of callee, the vocoded information of this time voice call and other voice channel relevant information.
In step 405, initiate S-CSCF and INVITE (SDP2) message is sent to next network element, to process this calling.
In a step 406, after callee replys this calling, initiating S-CSCF from communication network confirmation of receipt message, as 200ok (INVITE) message, comprise callee's SDP information in this message, is also SDP3.This message can be represented as 200ok (SDP3).
At this, SDP3 comprises the IP address information of callee, IP port information, vocoded information and other voice channel relevant information.
In step 407, initiate S-CSCF and 200ok (SDP3) message is forwarded to the media services network equipment.
In step 408 and 409, the access information (SDP4) that media services resource corresponds to calling party is supplied to calling party by the media services network equipment, obtains call media services to make calling party and callee in media services resource.
More specifically, in a step 408, the media services network equipment upgrades the corresponding informance of media services resource and callee based on SDP3, then, the access information that media services resource is corresponded to calling party by the media services network equipment is sent to initiation S-CSCF, and the access information that should correspond to calling party be transmitted by 200OK (INVITE) message.This message can be represented as 200ok (SDP4).
At this, media services resource corresponds to the access information of calling party and comprises (as media module) in the media services network equipment and distribute to (as media module) in the IP address information of calling party, the media services network equipment and distribute to the IP port information of calling party, the vocoded information of this time voice call and other voice channel relevant information
In step 409,200ok (SDP4) is forwarded to P-CSCF by S-CSCF.
Subsequently, calling party and callee can obtain call media services in media services resource.
After media services connection establishment, call media services can be that acquiescence is opened.Such as, the background music opened can be acquiescence, and also can be random, can also be determine based on the corresponding relation of the callee's number preset and background music.
Particularly, after media services connection establishment, the call voice of calling party and callee mixes with media resource by the media services network equipment respectively, and mixed call voice is sent to its corresponding communication counterpart respectively.
More specifically, coordinate and consult Fig. 2, the call voice of the calling party A sent via SBC/P-CSCF mixes with media resource by the media services network equipment, and mixed call voice is sent to callee B; Further, the call voice of the callee B sent via SBC/P-CSCF mixes with media resource by the media services network equipment, and mixed call voice is sent to calling party A.
In addition, after media services connection establishment, user can also trigging control signaling with open or close call media services, select concrete media resource.Correspondingly, the control signal that the media services network equipment triggers according to the calling party listened in media services resource or callee, opens or closes the media services or determine to be mixed to the media resource of call voice of this time conversing.
At this, described control signal transmits by such as DTMF tone (dual-tonemultifrequencytones, referred to as DTMFtones).
Such as, after media services connection establishment, background music can be that acquiescence is closed, and user then can pass through the control signal by the button thus triggering unlatching background music that hit instruction " start " on phone.Correspondingly, the media services network equipment is according to this control signal listened in media services resource, open Background Music Service, the background music that the media services network equipment is opened can be acquiescence, random, preset based on callee's number or user's real-time selection.
Particularly, user can carry out trigging control signaling by inputting following keystroke sequence:
-select and open background music: * 1XX#
-close background music: * 0#
Wherein, the numeral that " XX " is 00-99, it can be regarded as the numbering (identity, ID) of background music file in the media services network equipment.
Once the media services network equipment listens to the aforementioned control signal of calling party or callee's triggering in media services resource, the media services network equipment opens or closes according to listened to control signal media services of this time conversing.Such as, the background music being numbered XX mixes with call voice by the media services network equipment in two-way bearer path, and mixed call voice is sent to communication counterpart respectively.And for example, the media services network equipment stops background music mixing with call voice according to listened to out code.
implementation 2: be logical by the mutual of the media services network equipment and media network equipment
words provide media services
Fig. 5 illustrates being cooperatively interacted as the system construction drawing providing media services of conversing by the media services network equipment and media network equipment according to another preferred embodiment of the present invention.
As shown in Figure 5, IMS core net comprises: VoLTE subscriber equipment, EPC, SBC/P-CSCF, S-CSCF, the media services network equipment and media network equipment, wherein EPC comprises PCRF and PGW.
The media services network equipment can by such as Session Initiation Protocol and S-CSCF carry out alternately, media network equipment is undertaken alternately by such as Real-time Transport Protocol and SBC/P-CSCF, and carries out Message Transmission by H.248 message between media network equipment and the media services network equipment.
Fig. 6 illustrates the method flow diagram based on the system described in Fig. 5 according to another preferred embodiment of the present invention, and the media services network equipment shown in it and media network equipment cooperatively interact as the process providing media services of conversing.
Coordinate and consult Fig. 5 and Fig. 6, in step 601, initiate P-CSCF to the incoming call requests of initiating S-CSCF transmission user, comprise the SDP1 of Access Network gateway in this incoming call requests, comprising IPa.This request is transmitted by such as INVITE (SDP1, IPa) message.
Particularly, the IP address information of IPa in Access Network gateway, the IP port information of IPa, vocoded information and other voice channel relevant information is comprised in SDP1.Described Access Network gateway is often referred to SBC or PGW.
In step 602, initiate S-CSCF and detect initial filter criteria, if find that calling party has call media services, initiate S-CSCF and initiate this request forward of P-CSCF to the media services network equipment.
In step 603, the media services network equipment detects user subscription information to determine whether calling party has call media services.If calling party has call media services, media services network device requests media network equipment is the communication association that calling party sets up for these call media services, thinks that this time call media services of this calling party distribute corresponding media services resource.
At this, above-mentioned initiation S-CSCF and the media services network equipment detect the mode whether calling party has call media services respectively, only as determining whether calling party has a kind of mode of call media services; Other detects the mode whether calling party has call media services, identical or substantially identical about mode cited in the description of Fig. 4 with aforementioned, therefore repeats no more, and is contained in this by reference.
Particularly, H.248 the media services network equipment will be set up message and be sent to media network equipment, to ask media network equipment for calling party's foundation is for the H.248 communication association of these call media services.
H.248 message is set up as follows:
Tran＝1{Context＝${ADD{IP(L＝$,R＝IPa),SendReceive,Codec},ADD{IP(L＝$),ReceiveOnly,Codec}}}
Wherein Tran=1 represents affairs 1, Context=$ represents that request media network equipment sets up communication association, ADD represents foundation, IP (L=$, R=IPa) represent that request media network equipment is the local terminal IP destination node in the association of far-end caller ip a allocate communications, SendReceive represents transceiver mode, Codec represents coding form, IP (L=$) represents that another local terminal IP destination node in asking media network equipment allocate communications to associate, ReceiveOnly represent and only receives.
In step 604, in response to the request of the media services network equipment, media network equipment is that communication association is set up in this time call media services of calling party.
In step 605, the destination node in set up communication association is returned to the media services network equipment by media network equipment, and wherein, the corresponding destination node of calling party in communication association is assigned with.
Particularly, media network equipment sends and H.248 sets up response message, and H.248 this set up in response message and comprise two associated IP destination node IP1 and IP2.
H.248 response message is set up as follows:
TransReply＝1{Context＝C1{ADD{IP(L＝IP1,R＝IPa),ADDIP(L＝IP2)}}}
Wherein TransReply=1 represents transaction response 1, Context=C1 represents that communication association is marked as C1, ADD represents foundation, IP (L=IP1, R=IPa) the local terminal IP destination node be expressed as in the communication association of far-end caller ip a distribution is that IP1, IP (L=IP2) represent that another local terminal IP destination node in communication association is IP2.
In step 606 and 607, the access information that media services resource corresponds to callee is supplied to callee by the media services network equipment.
More specifically, in step 606, another IP destination node IP2 associated by media network equipment is distributed to callee by the media services network equipment, and the response corresponding to S-CSCF request is sent it back S-CSCF, the access information that media services resource corresponds to callee is comprised in this response, also be SDP2, comprising IP2.This response is transmitted by such as INVITE (SDP2, IP2) message.
At this, the access information SDP2 that media services resource corresponds to callee comprises in communication association corresponding to the IP address information of the destination node IP2 of callee and IP port information, vocoded information and other voice channel relevant information.
In step 607, initiate S-CSCF and request transmission INVITE (SDP2, IP2) message is forwarded to next network element, to process this calling.
In step 608, after callee replys this calling, initiate S-CSCF from communication network confirmation of receipt message, as 200ok (INVITE) message, comprise the SDP3 of callee in this message, comprising IPb.This message can be represented as 200ok (SDP3, IPb).
At this, in SDP3, comprise the IP address information of callee IPb, the IP port information of IPb, vocoded information and other voice channel relevant information.
In step 609, initiate S-CSCF and 200ok (SDP3, IPb) message is forwarded to the media services network equipment.
In step 610, the media services network equipment by H.248 revising message informing media network equipment, to upgrade distal information in communication association corresponding to destination node IP2 by media network equipment based on the called party information IPb that SDP3 comprises.
H.248 message is revised as follows:
Tran＝2{Context＝C1{MODIFY{IP(L＝IP1,R＝IPa),SendReceive,Codec},MODIFY{IP(L＝IP2,R＝IPb),SendReceive,Codec}}}
Wherein Tran=2 represents affairs 2, Context=C1 represents that communication association is C1, MODIFY represents amendment, IP (L=IP1, R=IPa) the local terminal IP destination node be expressed as in the communication association of far-end caller ip a distribution is that IP1, SendReceive represent transceiver mode, and Codec represents coding form, local terminal IP destination node IP2 in communication association is distributed to far-end callee IPb by IP (L=IP2, R=IPb) expression.
In step 611, H.248 media network equipment will be revised response message and be sent to the media services network equipment.
H.248 revise response message and comprise following content:
TransReply＝2{Context＝C1{MODIFY{IP(L＝IP1,R＝IPa),SendReceive,Codec},MODIFY{IP(L＝IP2,R＝IPb),SendReceive,Codec}}}
Wherein TranReply=2 represents transaction response 2, specifically indicates for communication association C1, confirms to modify according to each information H.248 revised in message Trans=2 to it.
In step 612a and 613a, the access information that media services resource corresponds to calling party is supplied to calling party by the media services network equipment, obtains call media services to make calling party and callee in media services resource.
More specifically, in step 612a, the access information that media services resource is corresponded to calling party by the media services network equipment is sent to initiation S-CSCF, and the access information that should correspond to calling party be transmitted by 200OK (INVITE) message.This message can be represented as 200ok (SDP4, IP1).
At this, the access information SDP4 that media services resource corresponds to calling party comprises in communication association corresponding to the IP address information of the destination node IP1 of calling party and IP port information, vocoded information and other voice channel relevant information.
In step 613a, 200ok (SDP4, IP1) message is forwarded to P-CSCF by S-CSCF.
Accordingly, calling party and callee can obtain call media services in media services resource.
Particularly, the call voice that calling party and callee send via its respective destination node mixes with media resource by media network equipment respectively, and mixed call voice is sent to its corresponding communication counterpart respectively via the destination node of its corresponding communication counterpart.
More specifically, the call voice of the calling party A from SBC/P-CSCF received by destination node IP1 is mixed with media resource by media network equipment, and mixed call voice is sent to callee B via destination node IP2; Further, the call voice of the callee B from SBC/P-CSCF received by destination node IP2 is mixed with media resource by the media services network equipment, and mixed call voice is sent to calling party A via destination node IP1.
After step S611, as in step 612b, H.248, the media services network equipment will be revised message and be sent to media network equipment, to notify the control signal that media network equipment triggers the upper calling party of monitoring of media services resource (i.e. bearer path) or callee.
H.248 message is revised as follows:
Tran＝3{Context＝C1{MODIFY{Events＝1,dd/ce{DigitMap＝{T:0,[E0-9].F}}}}}
Wherein, Tran=3 represents affairs 3, Context=C1 represents that communication association is C1, MODIFY represents amendment, Events=1 represents monitoring event, dd/ce represents DTMF tone (DTMFtones), DigitMap={T:0, [E0-9] .F} represents concrete Serial No., and wherein T:0 represents and monitors all the time, and E represents *, F represents #, 0-9 representative digit 0-9, [E0-9]. represent one or more *, digital 0-9, [E0-9] .F represents the combination of one or more *, digital 0-9 and #.
In step 613b, H.248 media network equipment will be revised response message and be sent to the media services network equipment.
H.248 response message is revised as follows:
TransReply＝3{Context＝C1{MODIFY{}}}
Wherein TransReply=3 represents that the content of transaction response 3, MODIFY is empty, represents for communication association C1, confirms H.248 amendment request Trans=3 successful execution.
Fig. 7 illustrates the method flow diagram of selection media services and unlatching is conversed in accordance with a preferred embodiment of the present invention.After process shown in Fig. 7 occurs in media services connection establishment.
In step 714, the control signal that the calling party that media services resource listens to or callee trigger is sent to the media services network equipment by media network equipment.
At this, user inputs numeral " * 101# " to open the background music of call number 01, correspondingly, media network equipment is monitored this control signal and by H.248 notification message, this monitoring event is sent to the media services network equipment, comprises this control signal in this notification message.
H.248 notification message is as follows:
Trans＝4{Context＝C1{NOTIFY{ObservedEvents{dd/ce{ds＝"E101F",Meth＝UM}}}}}
Wherein, Tran=4 represents affairs 4, Context=C1 represents that communication association is C1, NOTIFY represents notice, ObservedEvents{dd/ce{ds=" E101F ", Meth=UM} represents the event listened to, and dd/ce represents DTMF tone (DTMFtones), ds=" E101F " represents that occurrence is " * 101# ", and Meth=UM represents absolute matches (unanimousmatch).
In a step 715, H.248 the media services network equipment push-notification-answer message will be sent to media network equipment.
H.248 push-notification-answer message is as follows:
TransReply＝4{Context＝C1{NOTIFY{}}}
Wherein, TransReply=4 represents transaction response 4, represents for communication association C1, confirms to have received H.248 notification message Trans=4.
In step 716, the control signal that the media services network equipment listens in media services resource according to media network equipment, notice media network opening of device is this time conversed media services.
Particularly, the media services network equipment checks this control signal and determines that user wishes to play the background music being numbered 01.The media services network equipment will H.248 revise message and control signal is sent to media network equipment, opens to make media network equipment the background music being numbered 01 on two-way approach.Until media network equipment receives stopping message, media network equipment just can stop this background music.Process and this opening process of stopping are similar.
H.248 message is revised as follows:
Tran＝5{Context＝C1{MODIFY{Signals{an/apv{sigType＝OnOff,direction＝both,ann＝01}}}}}
Wherein, Tran=5 represents affairs 5, Context=C1 represents that communication association is C1, MODIFY represents amendment, Signals represents control signal, and an/apv represents background music, and sigType=OnOff represents loop play, direction=both represents two-way, and what ann=01 represented background music is numbered 01.
In step 717, media network equipment resolves the notice after control signal according to the media services network equipment, opens media services of this time conversing, and H.248 will revise response message and be sent to the media services network equipment.
H.248 response message is revised as follows:
TransReply＝5{Context＝C1{MODIFY{}}}
Wherein, TransReply=5 represents transaction response 5, represents for communication association C1, confirms H.248 amendment request Trans=5 successful execution.
In step 718, H.248 the media services network equipment will be revised message and be sent to media network equipment, to notify that media network equipment continues to monitor the control signal of calling party or callee's triggering in media services resource.
H.248 message is revised as follows:
Tran＝6{Context＝C1{MODIFY{Events＝1,dd/ce{DigitMap＝{T:0,[E0-9].F}}}}}
Wherein, Tran=6 represents affairs 6, Context=C1 represents that communication association is C1, MODIFY represents amendment, Events=1 represents monitoring event, dd/ce represents DTMF tone (DTMFtones), DigitMap={T:0, [E0-9] .F} represents concrete Serial No., and wherein T:0 represents and monitors all the time, and E represents *, F represents #, 0-9 representative digit 0-9, [E0-9]. represent one or more *, digital 0-9, [E0-9] .F represents the combination of one or more *, digital 0-9 and #.
In step 719, H.248 media network equipment will be revised response message and be sent to the media services network equipment.
H.248 response message is revised as follows:
TransReply＝6{Context＝C1{MODIFY{}}}
Wherein, TransReply=6 represents transaction response 6, represents for communication association C1, confirms H.248 amendment request Trans=6 successful execution.
It should be noted that, although while Fig. 7 opens call media services at this illustrate, user (as calling party or callee) also needs to select background music, but the present invention is equally applicable to other without the need to selecting the scene of background music when opening call media services, as background music is preset by various mode, as default background music, preset according to callee's number.In addition, the process of opening call media services in the present invention also can be omitted alternatively, as to the calling party with call media services, gives tacit consent to after media services connection establishment, for its call provides Background Music Service, and without the need to starting the process of opening call media services separately.
Fig. 8 illustrates the method flow diagram of the closedown call media services according to another preferred embodiment of the present invention.After process shown in Fig. 8 occurs in media services connection establishment.
In step 814, the control signal that the calling party that media services resource listens to or callee trigger is sent to the media services network equipment by media network equipment.
At this, user inputs numeral " * 0# " to close background music, and correspondingly, media network equipment is monitored this control signal and H.248 will be sent to the media services network equipment by notification message, comprises this control signal in this notification message.
H.248 notification message is as follows:
Tran＝7{Context＝C1{NOTIFY{ObservedEvents{dd/ce{ds＝"E0F",Meth＝UM}}}}}
Wherein, Tran=7 represents affairs 7, Context=C1 represents that communication association is C1, NOTIFY represents notice, ObservedEvents{dd/ce{ds=" E0F ", Meth=UM} represents the event listened to, and dd/ce represents DTMF tone (DTMFtones), ds=" E0F " represents that occurrence is " * 0# ", and Meth=UM represents absolute matches (unanimousmatch).
In step 815, H.248 the media services network equipment push-notification-answer message will be sent to media network equipment.
H.248 push-notification-answer message is as follows:
TransReply＝7{Context＝C1{NOTIFY{}}}
Wherein, TransReply=7 represents transaction response 7, represents for communication association C1, confirms to have received this H248 notification message Trans=7.
In step 816, the control signal that the media services network equipment listens in media services resource according to media network equipment, notice media network device shutdown is this time conversed media services.
Particularly, the media services network equipment checks this control signal and determines that user wishes to close and plays background music.The media services network equipment will H.248 revise message and control signal is sent to media network equipment, closes background music to make media network equipment on two-way approach.
H.248 message is revised as follows:
Tran＝8{Context＝C1{MODIFY{Signals{}}}}
Wherein, Tran=8 represents that affairs 8, Context=C1 represent that communication association is that C1, MODIFY represent amendment, and Signals represents control signal.
In step 817, media network equipment resolves the notice after control signal according to the media services network equipment, closes media services of this time conversing, and H.248 will revise response message and be sent to the media services network equipment.
H.248 response message is revised as follows:
TransReply＝8{Context＝C1{MODIFY{}}}
Wherein, TransReply=8 represents transaction response 8, represents for communication association C1, confirms H.248 amendment request Trans=8 successful execution.
In step 818, H.248 the media services network equipment will be revised message and be sent to media network equipment, to notify that media network equipment continues to monitor the control signal of calling party or callee's triggering in media services resource.
H.248 message is revised as follows:
Tran＝9{Context＝C1{MODIFY{Events＝1,dd/ce{DigitMap＝{T:0,[E0-9].F}}}}}
Wherein, Tran=9 represents affairs 9, Context=C1 represents that communication association is C1, MODIFY represents amendment, Events=1 represents monitoring event, dd/ce represents DTMF tone (DTMFtones), DigitMap={T:0, [E0-9] .F} represents concrete Serial No., and wherein T:0 represents and monitors all the time, and E represents *, F represents #, 0-9 representative digit 0-9, [E0-9]. represent one or more *, digital 0-9, [E0-9] .F represents the combination of one or more *, digital 0-9 and #.
In step 819, H.248 media network equipment will be revised response message and be sent to the media services network equipment.
H.248 response message is revised as follows:
TransReply＝9{Context＝C1{MODIFY{}}}
Wherein, TransReply=9 represents transaction response 9, represents for communication association C1, confirms H.248 amendment request Trans=9 successful execution.
Figure 10 illustrates device schematic diagram in accordance with another embodiment of the present invention, and it specifically illustrates a kind of is converse to provide the device of media services, is also media server device 1010.
As shown in Figure 10, media server device 1010 is installed in the media services network equipment, and media server device 1010 comprises service resource allocation device 1011, called access generator 1012 and caller access generator 1013.
Now, media network equipment is integrated in the media services network equipment.For ext nal network element, these ext nal network element are all only carried out with the media services network equipment alternately, by internal interface pass-along message between the media services network equipment and media network equipment.
Such as, consult Fig. 2, ext nal network element is as SBC/P-CSCF, S-CSCF, and the media services network equipment can be undertaken alternately by such as Session Initiation Protocol and S-CSCF, and by such as Real-time Transport Protocol and SBC/P-CSCF carry out alternately.
Still consult Figure 10, as shown in Figure 10, after the calling party with call media services makes a call, this time call media services that service resource allocation device 1011 is calling party distribute corresponding media services resource; Then, the access information that distributed media services resource corresponds to callee is supplied to this callee by called access generator 1012; Subsequently, after this callee response, the access information that this media services resource corresponds to calling party is supplied to this calling party by caller access generator 1013, obtains call media services to make calling party and callee in distributed media services resource.
Preferably, media server device 1010 also comprises one first call mixing arrangement (not shown in Figure 10), calling party can mix with media resource in this media services resource with the call voice of callee by the first call mixing arrangement respectively mutually, and mixed call voice is sent to corresponding communication counterpart respectively.
Preferably, media server device 1010 also comprises a first service control device (not shown in Figure 10), the control signal that first service control device can trigger according to the calling party listened in media services resource or callee, opens or closes media services of this time conversing.
Figure 11 illustrates that the media services network equipment and media network equipment cooperatively interact as the device schematic diagram providing media services of conversing in accordance with another embodiment of the present invention.
As shown in figure 11, media server device 1110 is installed in the media services network equipment, and media server device 1110 comprises service resource allocation device 1111, called access generator 1112 and caller access generator 1113; Media apparatus 1120 is installed in media network equipment, and media apparatus 1120 comprises communication association apparatus for establishing 1121, communication association feedback device 1122, communication association updating device 1123, second call mixing arrangement 1124.
Now, media network equipment is separated with the media services network equipment, realizes its corresponding function separately.Ext nal network element carries out with media network equipment and the media services network equipment alternately, having carried out corresponding Message Transmission respectively.
Such as, consult Fig. 5, ext nal network element is as SBC/P-CSCF, S-CSCF, the media services network equipment can by such as Session Initiation Protocol and S-CSCF carry out alternately, media network equipment is undertaken alternately by such as Real-time Transport Protocol and SBC/P-CSCF, and carries out Message Transmission by H.248 message between media network equipment and the media services network equipment.
Still consult Figure 11, when providing call media services for user, the media services network equipment and media network equipment cooperatively interact and set up media services for communicating pair and be connected.Particularly, after the calling party with call media services makes a call, the service resource allocation device 1111 of the media services network equipment asks media network equipment to be that this time call media services of this calling party distribute corresponding media services resource, is used for the communication association of these call media services as set up; In response to this request, communication association is set up in this time call media services that the communication association apparatus for establishing 1121 of media network equipment is this calling party, then, destination node in set up communication association is returned to the media services network equipment by the communication association feedback device 1122 of media network equipment, wherein, the corresponding destination node of calling party in this communication association is assigned with; Subsequently, the access information that this media services resource corresponds to callee is supplied to callee by the called access generator 1112 of the media services network equipment, comprising the destination node corresponding to callee in communication association; After this callee response, in response to the notice of the media services network equipment, the corresponding destination node in communication association is distributed to callee by the communication association updating device 1123 of media network equipment; Subsequently, the access information that media services resource corresponds to calling party is supplied to calling party, comprising the destination node corresponding to calling party in communication association by the caller access generator 1113 of the media services network equipment; The call voice that calling party and callee send via its respective destination node mixes with media resource by the second call mixing arrangement 1124 of media network equipment respectively, and mixed call voice is sent to its corresponding communication counterpart respectively via the destination node of its corresponding communication counterpart, in media services resource, obtains to make this calling party and this callee media services of conversing.
Preferably, the media services network equipment also comprises a second service control device, media network equipment also comprises control signal monitoring device and media services application apparatus, and these three devices are all not shown in Figure 11, and these three devices can cooperatively interact to open or close call media services.
Particularly, the control signal that the calling party that media services resource listens to or callee trigger is sent to the media services network equipment by the control signal monitoring device in media network equipment; Then, the second service control device in the media services network equipment, according to this control signal, notifies media network opening of device or cuts out media services of this time conversing; Subsequently, the media services application apparatus in media network equipment resolves this notice after control signal according to the second service control device in this media services network equipment, opens or closes media services of this time conversing.
It should be noted that the present invention can be implemented in the assembly of software and/or software restraint, such as, application-specific integrated circuit (ASIC) (ASIC), general object computer or any other similar hardware device can be adopted to realize.
Software program of the present invention can perform to realize step mentioned above or function by processor.Similarly, software program of the present invention (comprising relevant data structure) can be stored in computer readable recording medium storing program for performing, such as, and RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, steps more of the present invention or function can adopt hardware to realize, such as, as coordinating with processor thus performing the circuit of each function or step.
In addition, a part of the present invention can be applied to computer program, such as computer program instructions, when it is performed by computer, by the operation of this computer, can call or provide according to method of the present invention and/or technical scheme.And call the program command of method of the present invention, may be stored in fixing or moveable recording medium, and/or be transmitted by the data flow in broadcast or other signal bearing medias, and/or be stored in the working storage of the computer equipment run according to described program command.At this, according to one embodiment of present invention, it comprises a device, this device comprises the memory for storing computer program instructions and the processor for execution of program instructions, wherein, when this computer program instructions is performed by this processor, trigger this plant running based on the aforementioned method according to multiple embodiment of the present invention and/or technical scheme.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of other unit or step, odd number does not get rid of plural number.Multiple unit of stating in system claims or device also can be realized by software or hardware by a unit or device.First, second word such as grade is used for representing title, and does not represent any specific order.
Claims (14)
1. be the method providing media services of conversing in the media services network equipment, wherein, the method comprises:
A after the calling party with call media services makes a call, for this time call media services of described calling party distribute corresponding media services resource;
The access information that described media services resource corresponds to callee is supplied to described callee by b;
The access information that described media services resource corresponds to described calling party, after described callee's response, is supplied to described calling party by c, obtains call media services to make described calling party and described callee in described media services resource.
2. method according to claim 1, wherein, the method also comprises:
-call voice of described calling party and described callee is mixed with media resource respectively, and mixed call voice is sent to its corresponding communication counterpart respectively.
3. method according to claim 1 and 2, wherein, the method also comprises:
-the control signal that triggers according to the described calling party that listens in described media services resource or described callee, On/Off is this time conversed media services.
4. method according to claim 1, wherein, the described media resource of described media services resource and carrying thereof is provided by the media network equipment independent of the described media services network equipment;
Wherein, the step of distributing corresponding media services resource for these call media services of described calling party described in described step a specifically comprises:
-ask described media network equipment to be the communication association that described calling party sets up for these call media services;
Wherein, the access information corresponding to described callee in described step b comprises the destination node corresponding to described callee in described communication association; The access information corresponding to described calling party in described step c comprises the destination node corresponding to described calling party in described communication association.
5. method according to claim 4, wherein, the method also comprises:
-the control signal that listens in described media services resource according to described media network equipment, notifies that the opening of device/closedown of described media network is this time conversed media services.
6. be the method providing media services of conversing in media network equipment, wherein, the method comprises:
-after the calling party with call media services makes a call, in response to the request of the media services network equipment, for communication association is set up in this time call media services of described calling party;
-destination node in described communication association is returned to the described media services network equipment, wherein, the corresponding destination node of described calling party in described communication association is assigned with;
-after callee's response, in response to the notice of the described media services network equipment, the corresponding destination node in described communication association is distributed to described callee;
-call voice that described calling party and described callee send via its respective destination node is mixed with media resource respectively, and mixed call voice is sent to its corresponding communication counterpart respectively via the destination node of its corresponding communication counterpart.
7. method according to claim 6, wherein, the method also comprises:
-control signal that the described calling party listened in described media services resource or described callee trigger is sent to the described media services network equipment;
-resolve the notice after described control signal according to the described media services network equipment, On/Off is this time conversed media services.
8. be the device providing media services of conversing in the media services network equipment, wherein, this device comprises:
Service resource allocation device, after making a call the calling party with call media services, for this time call media services of described calling party distribute corresponding media services resource;
Called access generator, is supplied to described callee for the access information described media services resource being corresponded to callee;
Caller access generator, for after described callee's response, the access information that described media services resource corresponds to described calling party is supplied to described calling party, in described media services resource, obtains call media services to make described calling party and described callee.
9. device according to claim 8, wherein, this device also comprises:
First call mixing arrangement, for being mixed with media resource respectively by the call voice of described calling party and described callee, and is sent to its corresponding communication counterpart respectively by mixed call voice.
10. device according to claim 8 or claim 9, wherein, this device also comprises:
First service control device, for the control signal triggered according to the described calling party that listens in described media services resource or described callee, On/Off is this time conversed media services.
11. devices according to claim 8, wherein, the described media resource of described media services resource and carrying thereof is provided by the media network equipment independent of the described media services network equipment;
Wherein, the operation that this time call media services for described calling party that described service resource allocation device performs distribute corresponding media services resource specifically comprises:
-ask described media network equipment to be the communication association that described calling party sets up for these call media services;
Wherein, the access information corresponding to described callee that described called access generator provides comprises the destination node corresponding to described callee in described communication association; The access information corresponding to described calling party that described caller access generator provides comprises the destination node corresponding to described calling party in described communication association.
12. devices according to claim 11, wherein, this device also comprises:
Second service control device, for the control signal listened in described media services resource according to described media network equipment, notifies that the opening of device/closedown of described media network is this time conversed media services.
13. 1 kinds is the device providing media services of conversing in media network equipment, and wherein, this device comprises:
Communication association apparatus for establishing, after making a call the calling party with call media services, in response to the request of the media services network equipment, for communication association is set up in this time call media services of described calling party;
Communication association feedback device, for the destination node in described communication association is returned to the described media services network equipment, wherein, the corresponding destination node of described calling party in described communication association is assigned with;
Communication association updating device, for after callee's response, in response to the notice of the described media services network equipment, distributes to described callee by the corresponding destination node in described communication association;
Second call mixing arrangement, call voice for described calling party and described callee being sent via its respective destination node mixes with media resource respectively, and mixed call voice is sent to its corresponding communication counterpart respectively via the destination node of its corresponding communication counterpart.
14. devices according to claim 13, wherein, this device also comprises:
Control signal monitoring device, sends to the described media services network equipment for the control signal described calling party listened in described media services resource or described callee triggered;
Media services application apparatus, for resolving the notice after described control signal according to the described media services network equipment, On/Off is this time conversed media services.
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| CN201410447377.1A CN105391876A (en) | 2014-09-03 | 2014-09-03 | Method and device for providing media services for communication |
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| CN201410447377.1A CN105391876A (en) | 2014-09-03 | 2014-09-03 | Method and device for providing media services for communication |
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| CN114172967A (en) * | 2021-12-14 | 2022-03-11 | 广州市百果园网络科技有限公司 | Media server distribution method, device, equipment and storage medium |
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| CN113286042A (en) * | 2021-05-18 | 2021-08-20 | 号百信息服务有限公司 | System and method capable of customizing call background sound |
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Application publication date: 20160309 |