CN101489001A - Method for implementing multimedia ring back tone based on drop-out technique and corresponding equipment - Google Patents
Method for implementing multimedia ring back tone based on drop-out technique and corresponding equipment Download PDFInfo
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- CN101489001A CN101489001A CNA2008100564719A CN200810056471A CN101489001A CN 101489001 A CN101489001 A CN 101489001A CN A2008100564719 A CNA2008100564719 A CN A2008100564719A CN 200810056471 A CN200810056471 A CN 200810056471A CN 101489001 A CN101489001 A CN 101489001A
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Abstract
The invention claims a method of implementing colour ring back tone services based on a non-bridging technology, comprising: obtaining a multimedia colour ring identifier of a called terminal by a calling side exchanger from the home network of the called terminal after acknowledging that the called terminal is free; requesting to establish a bearing channel of multimedia colour rings to a multimedia colour ring server according to the multimedia colour ring identifier, and notifying the calling terminal to carry out media negotiation of H.245 protocol with the multimedia colour ring server by conveying the information, which indicates ''multimedia colour rings will be played'' to the calling terminal after acknowledging that the bearing channel is established; and playing the multimedia colour rings to the calling terminal according to the result of the media negotiation. The invention gives a specific process of notifying the calling terminal to carry out a capability negotiation of the terminal so as to receive the played multimedia colour rings after the called party starts to ring.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of realization technology of multimedia color ring back tone.
Background technology
Along with multimedia technology universal day by day in field of mobile terminals, the consumer also rises to the Customized Ring Back Tone that audio frequency, multimedia, literal etc. combine from common voice ring-back tone to the demand of portable terminal ring-back tone, abbreviates multimedia color ring back tone as.In order to adapt to consumer demand, the numerous and confused release of global operator realizes the conception of Multimedia Ring Back Tone service separately.
At present, the realization of Multimedia Ring Back Tone service is mainly based on cross-over connection technology and drop-out technique.
The main thought that realizes the solution of Multimedia Ring Back Tone service based on cross-over connection (Bridge or Trombone Mode) technology is: when calling is called, as long as called customized Multimedia Ring Back Tone service, then the Calling Side switch all is routed to speech channel MRBT (Multimedia Ring Back Tone, multimedia audible ringing tone) platform (also can be called the multimedia color ring back tone platform), by multimedia color ring back tone platform cross-over connection (bridge joint) between Calling Side switch and callee side switch.When called idle ring, undertaken after the terminal capability negotiation to calling subscriber's play multimedia CRBT by multimedia color ring back tone platform and calling terminal, behind called off-hook, the multimedia color ring back tone platform then stops the play multimedia CRBT, once more with the called terminal capability negotiation of carrying out, be connected across afterwards between the calling and called top-cross changes planes, thereby bridge joint plays the multimedia conversation between the calling and called.
The main thought that realizes the solution of Ring Back Tone service based on non-cross-over connection (Drop-Out) technology is: when calling is called, the Calling Side switch is not at once speech channel to be routed to the multimedia color ring back tone platform, but, find called visit switch according to the normal call flow process; When called idle ring, the Calling Side switch is just set up speech channel so that the play multimedia CRBT to the request of making a call of multimedia color ring back tone platform, after speech channel was set up, multimedia color ring back tone platform and calling terminal carried out terminal capability negotiation (first time is process H.245) back and are calling subscriber's play multimedia CRBT; Behind called off-hook, stop the play multimedia CRBT this moment, the Calling Side switch is got through the speech channel of calling terminal and terminal called, carries out terminal capability negotiation (second time is process H.245) by calling terminal and terminal called, and the calling and called user can carry out the multimedia conversation afterwards.When call transfer service, calling terminal carries out the number of times of terminal capability negotiation may be more than twice.
By as seen above-mentioned, after called off-hook, color ring platform is not connected across between the calling and called, but by caller MSC discharged and color ring platform between be used for the path of play multimedia CRBT, so the scheme that realizes Ring Back Tone service based on drop-out technique with respect to the scheme that realizes Ring Back Tone service based on cross-over connection scheme technology, have save relay resource between net, optimize network configuration, to the advantages such as relatively low that require of multimedia color ring back tone platform.Therefore, use drop-out technique to realize that Ring Back Tone service is the development in future direction.But above-mentioned scheme based on drop-out technique realization Ring Back Tone service only is the thought based on drop-out technique realization Ring Back Tone service that industry proposes, but concrete application scheme is not arranged.
Summary of the invention
The invention provides a kind of method, switch, color ring server and terminal equipment, provided the specific implementation flow process that realizes Ring Back Tone service based on drop-out technique based on drop-out technique realization Ring Back Tone service.
The embodiment of the invention is achieved through the following technical solutions:
The embodiment of the invention provides a kind of method based on drop-out technique realization Ring Back Tone service, and this method comprises:
The Calling Side switch is known terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called;
Multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement;
Multimedia polyphonic ringtone server, according to the media negotiation result, the play multimedia CRBT is given calling terminal.
The embodiment of the invention also provides a kind of switch, and it comprises:
The information acquisition unit is used for knowing terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called;
Request unit, be used for identifying according to the terminal called that is obtained with multimedia color ring back tone, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement.
The embodiment of the invention also provides a kind of color ring server, and it comprises:
Obtain the unit, be used to receive the H.245 media negotiation request of agreement;
Performance element is used for carrying out H.245 protocol media negotiation according to this request and calling terminal, sets up the interface channel of play multimedia CRBT, and gives calling terminal based on this passage play multimedia CRBT.
The embodiment of the invention also provides a kind of terminal equipment, and this terminal equipment comprises:
The information acquisition unit is used to obtain the information of the sign of network side transmission with the play multimedia CRBT;
Performance element, be used for according to the information of described sign the play multimedia CRBT, by send H.245 protocol media negotiation request to color ring server, request is carried out H.245 protocol media negotiation with color ring server and is set up the interface channel of play multimedia CRBT, and obtains the multimedia color ring back tone that color ring server is play based on this passage.
The embodiment of the invention also provides a kind of communication system, and it comprises:
The Calling Side switch is used for knowing terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called; Multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement;
Color ring server, be used to receive the media negotiation request of the H.245 agreement that calling terminal sends, carry out H.245 protocol media negotiation according to this request and calling terminal, set up the interface channel of play multimedia CRBT, and give calling terminal based on this passage play multimedia CRBT.
The technical scheme that is provided by the invention described above embodiment as can be seen, in a kind of method that the embodiment of the invention provides based on drop-out technique realization Ring Back Tone service, the Calling Side switch knows that according to the notice of callee side switch terminal called is after the free time, from the network of terminal called ownership, obtain the multimedia color ring back tone sign of terminal called; Multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement, multimedia polyphonic ringtone server, according to the media negotiation result, the play multimedia CRBT is given calling terminal.Therefore this technology has provided the specific implementation flow process that realizes Ring Back Tone service based on drop-out technique, so that calling terminal begins to receive the play multimedia CRBT after can working as called beginning ring.
Description of drawings
Fig. 1 is the flow chart of first embodiment of the invention;
Fig. 2 is the flow chart of first kind of application of first embodiment of the invention;
Fig. 3 is the flow chart of second kind of application of first embodiment of the invention;
Fig. 4 is the flow chart of the third application of first embodiment of the invention;
Fig. 5 is the structural representation of fourth embodiment of the invention;
Fig. 6 is the structural representation of fifth embodiment of the invention;
Fig. 7 is the structural representation of sixth embodiment of the invention.
Embodiment
At the weak point in the above-mentioned cross-over connection scheme, first embodiment of the invention proposes a kind of method that realizes Ring Back Tone service based on drop-out technique, this first embodiment is after network side is known the called terminal ringing dont answer, give calling terminal by the information that transmits sign " with the play multimedia CRBT ", carry out H.245 protocol media negotiation with request calling terminal and described multimedia polyphonic ringtone server, so that the play multimedia CRBT; After network side is known called off-hook, give calling terminal by the information that transmits sign " beginning to carry out multimedia with terminal called converses ", request calling terminal and described callee side carry out H.245 protocol media negotiation, so that carry out the multimedia conversation.
The realization flow of this first embodiment comprises following content as shown in Figure 1:
Step 101, calling terminal is called out terminal called, and described calling arrives terminal called, dialed terminal bell through Calling Side switch, callee side switch.
Whether calling terminal can support the information of the ability of drop-out technique by Setup (foundation) information reporting oneself when calling out terminal called; The Calling Side switch reports according to calling terminal, can know that calling terminal has the ability of supporting drop-out technique and still has the ability of supporting the cross-over connection technology, has the ability of supporting drop-out technique if confirm this calling terminal, then carries out subsequent step; Otherwise realize Ring Back Tone service according to the cross-over connection technology, like this access that can compatible have the terminal of the ability of not supporting drop-out technique.
Step 102, the Calling Side switch is known terminal called after the free time according to the notice of callee side switch, from the HLR (Home Location Register, attaching position register) of terminal called ownership, obtains the MSRN and the multimedia color ring back tone sign of terminal called.
Step 103, MSRN and multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by the information that transmits sign " with the play multimedia CRBT ", request calling terminal and described multimedia polyphonic ringtone server are carried out H.245 protocol media negotiation, so that the play multimedia CRBT.
The information of described sign " with the play multimedia CRBT " can send described calling terminal to by Alerting (ring) Indication message; Also can send described calling terminal to by Connect (connection) message; Also can send described calling terminal to by Facility message.
Before step 103, whether the Calling Side switch can also support calling terminal the ability of drop-out technique, is notified to multimedia polyphonic ringtone server; Multimedia polyphonic ringtone server knows according to the notice of described Calling Side switch whether calling terminal has the ability of supporting drop-out technique, has the ability of supporting drop-out technique if determine calling terminal, and then execution in step 103; Otherwise, terminal called is arrived in the call proceeding of calling terminal.
Step 104, multimedia polyphonic ringtone server, according to the media negotiation result, the play multimedia CRBT is given calling terminal.
After step 105, Calling Side switch were known called off-hook according to the notice of callee side switch, H.245 notice calling terminal or multimedia polyphonic ringtone server were removed and are connected.
Step 106 according to the feedback of calling terminal or multimedia polyphonic ringtone server, is known H.245 to connect successfully and is removed, then the bearer path between dismounting and the multimedia polyphonic ringtone server; Connect the bearer path with callee side, give calling terminal by the information that transmits sign " beginning is carried out the multimedia conversation with terminal called ", H.245 notice calling terminal and callee side carry out protocol media consults to converse to carry out multimedia.
The information of described sign " beginning is carried out the multimedia conversation with terminal called " can send described calling terminal to by Facility message; Also can send described calling terminal to by Connect message.
Step 107, calling terminal and terminal called based on the media negotiation result, carry out the multimedia conversation.
Provided a kind of application of first embodiment of the invention below, the entity that this application relates to has: MSC Server (MSC server) A of calling UE (User Equipment, user terminal) A, Calling Side, MRBT platform (also can be called color ring platform), terminal called UE B, the switch MSC Server B of callee side, the attaching position register HLR B of callee side.。During this is used, transmit the information of sign " with the play multimedia CRBT " by Connect message and give calling terminal, carry out H.245 protocol media negotiation with calling terminal and described multimedia polyphonic ringtone server, so that the play multimedia CRBT; Transmit the information of sign " beginning to carry out multimedia with terminal called converses " by Facility message and give calling terminal, carry out H.245 protocol media negotiation with request calling terminal and described callee side, so that carry out the multimedia conversation between the calling and called.The specific implementation flow process of this application comprises following content as shown in Figure 2:
Step 202, MSC Server A sends SRI (Send Routing Information sends routing iinformation) message to HLRB, request inquiry routing iinformation, wherein the extension field of SRI message carries multimedia color ring back tone support information sign.
Step 203, HLR B sends PRN (Provide RoamingNumber asks for roaming number) message, to get roaming number to the called MSC Server B that adheres to.
Step 204, MSC Server B returns PRN_ack message and gives HLR B, wherein carries roaming number, if MSC SERVER B supports pre-paging, at this moment can initiate earlier to return roaming number again after the pre-paging process.
Step 205, HLR B returns SRI_ack message and gives MSC Server A, carries the routing iinformation of UE B in this message.
Step 206 after MSC ServerA obtains called MSRN, sends Call Proceeding (call proceeding) message to UE A.
Step 207, MSC Server A sends BICC (Bearer IndependentCall Control to MSC Server B, calling control with bearer independent) IAM (Initial Address Message, initial address message) message, wherein carry called MSRN (Mobile Station Roaming Number, mobile station roaming number).The CLIP service if the called subscriber has contracted needs to carry calling number in the BICC IAM message.
Step 209～step 210, to called UE B, UEB returns Paging_ack message and gives MSC Server B MSC Server B with paging.
Step 208, if do not initiate pre-paging when getting roaming number, MSC Server B sends Paging (paging) message to UE B, and is called with paging.
Step 209, UE B returns page response (Paging_rsp) message and gives MSC Server B.
Step 210～step 211, MSC Server B sends Setup message to UE B.UE B returns Call Confirmed (call out and confirm) message and gives MSC Server B.MSC SERVER B sends out Setup message to UE B, and the spare field of the BC IE that carries in the message is used to refer to terminal and whether can supports non-cross-over connection scheme ability, is to represent to support non-cross-over connection scheme at 001 o'clock as value.
Called beginning ring.
Step 212, UE B returns Alerting (ring) message to MSC Server B.
Called beginning ring.
Step 213, MSC Server B returns BICC ACM (AddressComplete Message, the address is complete) message to MSC Server A; Wherein User Status is idle.
Step 214, MSC Server A returns Alerting message to UE A.
Step 215, after MSC Server A received the BICC ACM that callee side returns, the multimedia color ring back tone platform under the called subscriber sent BICC IAM message, and called number is " service code+called ISDN ".
Step 216, multimedia color ring back tone platform are returned BICC ACM message.
Step 217, caller MSC Server A send Connect message to give call subscriber terminal; H.245, the indication call subscriber terminal can be consulted.Simultaneously, Connect message needs expansion, is the play multimedia CRBT now to inform calling terminal, does not need timing.
Step 218, call subscriber terminal returns Connect_ack to MSC Server A.
Step 219, the media negotiation of calling terminal and the capable H.245 agreement of multimedia color ring back tone platform.
Step 220, after H.245 process is set up, the play multimedia CRBT, the user watches multimedia color ring back tone.
Step 221, the called subscriber answers calling (replying), sends Connect message by terminal called to called MS C Server B and prepares conversation so that set up passage.
Step 222, MSC Server B is to sending BICC ANM (AnswerMessage, response message) to MSC Server A, and MSC Server A begins to charge to the user.
Step 223, MSC Server B returns Connect_ack to the called subscriber.
Step 224, MSC Server A sends BICC Release message to the multimedia color ring back tone platform.
Step 225, the multimedia color ring back tone platform is initiated for the first time the H.245 process of dismounting to calling terminal.
Step 226, after H.245 the process dismounting was finished for the first time, the multimedia color ring back tone platform was to MSC ServerA loopback BICC RLC (Release Completion discharges and finishes) message.
Step 227, MSC Server A sends Facility message to calling terminal, consults to inform that calling terminal starts immediately with the capable H.245 protocol media of terminal called, and begins to show timing.
Can be in the NotifySS-Arg parameter of the InvokeComponent field of the Facility of Facility message information element information element, the MRBT-Indicator field of expansion redetermination, value 3 expression play multimedia CRBT.
Step 228, calling terminal and terminal called are set up H.245 process.
Step 229, the calling and called terminal is carried out video call.
Step 230,3G circuit domain video call is removed.
Provided second kind of application of first embodiment of the invention below, the entity that this application relates to has: the switch MSC Server B of the switch MSC Server A of calling terminal UE A, Calling Side, color ring platform MRBT, terminal called UEB, callee side, the attaching position register HLRB of callee side.In this application, transmit the information of sign " with the play multimedia CRBT " by Alerting message and give calling terminal, begin to carry out H.245 protocol media negotiation so that the play multimedia CRBT with notice calling terminal and described multimedia polyphonic ringtone server; Transmit the information of sign " beginning to carry out multimedia with terminal called converses " by Connect message and give calling terminal, begin to carry out H.245 protocol media negotiation with notice calling terminal and described callee side, so that calling and called carry out the multimedia conversation.The specific implementation flow process of this application as shown in Figure 3, the associated description in first kind of application among the particular content and first embodiment is similar, is not described in detail here.
Above-mentioned steps 314 also can be striden before rapid 315.
Provided the third application of first embodiment of the invention below, the entity that this application relates to has: the switch MSC Server B of the switch MSC Server A of calling terminal UEA, Calling Side, color ring platform MRBT, terminal called UEB, callee side, the attaching position register HLR B of callee side.In this application, transmit the information of sign " with the play multimedia CRBT " by Facility message and give calling terminal, begin to carry out H.245 protocol media negotiation so that the play multimedia CRBT with notice calling terminal and described multimedia polyphonic ringtone server; Transmit the information of sign " beginning to carry out multimedia with terminal called converses " by Connect message and give calling terminal, begin to carry out H.245 protocol media negotiation with notice calling terminal and described callee side, so that calling and called carry out the multimedia conversation.The specific implementation flow process of this application as shown in Figure 4, the associated description in first kind of application among the particular content and first embodiment is similar, is not described in detail here.
More than using and adopting BICC control signaling with core net is that example describes, certainly the embodiment of the invention is not limited to adopt BICC control signaling, can also use other control signaling to realize, for example use ISUP (ISDN User Part, ISDNYong Hubufen) control signaling.
Above-mentioned H.245 control messages is the control messages of 3G-324M agreement, and described H.245 the connection is meant the video telephone passage of abideing by the foundation of 3G-324M agreement.
Second embodiment of the invention has proposed a kind of switch, and as shown in Figure 5, this switch comprises: information acquisition unit and request unit.
The information acquisition unit is used for knowing terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called.
Request unit, be used for multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by the information that transmits sign " with the play multimedia CRBT ", notice calling terminal and described multimedia polyphonic ringtone server are carried out the media negotiation of agreement H.245 so that the play multimedia CRBT.
Above-mentioned switch may further include:
Notification unit, after being used for the Calling Side switch and knowing called off-hook according to the notice of callee side switch, H.245 notice calling terminal or multimedia polyphonic ringtone server are removed and are connected;
The bearer path processing unit is used for the feedback according to calling terminal or multimedia polyphonic ringtone server, knows H.245 to connect successfully to remove, and the bearer path between dismounting and the multimedia polyphonic ringtone server; Connect bearer path with callee side;
Correspondingly, above-mentioned notification unit also is used for giving calling terminal by the information that transmits sign " beginning to carry out multimedia with terminal called converses ", and notice calling terminal and callee side carry out H.245 protocol media negotiation so that carry out the multimedia conversation between the calling and called.
Above-mentioned switch can further include:
Judging unit is used for the ability information that reports according to calling terminal, judges whether calling terminal supports the ability of drop-out technique, and when judged result is the ability of calling terminal support drop-out technique, triggers the described request cell operation.
And/or,
The ability notification unit is used for whether calling terminal is supported the ability of drop-out technique, is notified to the multimedia color ring back tone platform.
Third embodiment of the invention has proposed a kind of color ring server, and as shown in Figure 6, this color ring server comprises: obtain unit and performance element.
Wherein, described acquisition unit is used to receive the H.245 media negotiation request of agreement.
Described performance element is used for carrying out H.245 protocol media negotiation according to this request and calling terminal, sets up the interface channel of play multimedia CRBT, and gives calling terminal based on this passage play multimedia CRBT, so that to the calling terminal coloring ring back tone playing.
The acquisition unit that the described color ring server of present embodiment comprises also is used for the notice according to described Calling Side switch, obtains the information whether calling terminal supports the ability of drop-out technique;
Correspondingly, this color ring server also comprises:
Judging unit, be used for whether supporting the information of drop-out technique ability according to described calling terminal, judge whether to the calling terminal coloring ring back tone playing still is according to the call proceeding callee side of calling terminal, and when judged result is the calling terminal coloring ring back tone playing, then trigger described performance element work.
Fourth embodiment of the invention has proposed a kind of terminal equipment, and as shown in Figure 7, this terminal equipment comprises: information acquisition unit and performance element.
Wherein, described information acquisition unit is used to obtain the information of the sign " with the play multimedia CRBT " that network side transmits.
Described performance element, be used for information according to described sign " with the play multimedia CRBT ", by send H.245 protocol media negotiation request to color ring server, request is carried out H.245 protocol media negotiation with color ring server and is set up the interface channel of play multimedia CRBT, and prepares to obtain the multimedia color ring back tone that color ring server is play based on this passage.
Above-mentioned information acquisition unit also is used for obtaining to remove H.245 connection request;
Correspondingly, above-mentioned performance element also is used for according to described dismounting connection request H.245, remove with color ring server between H.245 be connected;
Correspondingly, above-mentioned information acquisition unit also is further used for obtaining the information of the sign " beginning is carried out the multimedia conversation with terminal called " that the Calling Side switch sends;
Correspondingly, above-mentioned performance element also is further used for the information according to described sign " beginning to carry out multimedia with terminal called converses ", and beginning is carried out H.245 protocol media negotiation with callee side, so that carry out the multimedia conversation between calling and called.
Whether the described terminal equipment of present embodiment can further include: report the unit, be used for reporting terminal equipment and support the information of the ability of drop-out technique to give the Calling Side switch.
Fifth embodiment of the invention has proposed a kind of communication system, and it comprises:
The Calling Side switch is used for knowing terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called; Multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement; Functional unit that specifically comprises and realization thereof and above-mentioned associated description are similar, are not described in detail here.
Color ring server is used to receive the H.245 media negotiation request of agreement, carries out H.245 protocol media negotiation according to this request and calling terminal, sets up the interface channel of play multimedia CRBT, and gives calling terminal based on this passage play multimedia CRBT.Functional unit that specifically comprises and realization thereof and above-mentioned associated description are similar, are not described in detail here.
The technical scheme that is provided by the invention described above embodiment as can be seen, in a kind of method that the embodiment of the invention provides based on drop-out technique realization Ring Back Tone service, the Calling Side switch knows that according to the notice of callee side switch terminal called is after the free time, from the network of terminal called ownership, obtain the multimedia color ring back tone sign of terminal called; According to identifying of the terminal called that is obtained with multimedia color ring back tone, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement, multimedia polyphonic ringtone server, according to the media negotiation result, the play multimedia CRBT is given calling terminal.Therefore this technology influences under the minimum situation in the equipment of the core network and the terminal transformation of existing mobile communications network, provided that the notice calling terminal carries out terminal capability negotiation so that calling terminal can work as the specific implementation flow process that begins the play multimedia CRBT after the called beginning ring, so that calling terminal begins to receive the play multimedia CRBT after can working as called beginning ring.
In addition, in a kind of method based on drop-out technique realization Ring Back Tone service that the embodiment of the invention provides, after the Calling Side switch was known called off-hook according to the notice of callee side switch, H.245 notice calling terminal or multimedia polyphonic ringtone server were removed and are connected; And know H.245 connect successfully remove after, then remove and multimedia polyphonic ringtone server between bearer path; Connect bearer path with callee side, give calling terminal by transmitting the sign beginning with the information that terminal called carries out the multimedia conversation, notice calling terminal and callee side carry out H.245 protocol media negotiation, so this technology can also notify calling terminal to carry out terminal capability negotiation so that calling terminal in time begins and the conversation of called multimedia after can working as called off-hook.
For in mobile communications network and deposit under the situation of the terminal of supporting such scheme and the terminal of not supporting such scheme, the Calling Side switch of network side can identify terminal and whether support such scheme, so that the follow-up multimedia color ring back tone implementation that correspondence is provided.
For in mobile communications network and deposit the terminal of supporting such scheme and do not support under the terminal situation of such scheme, institute's multimedia color ring back tone platform is when the Calling Side switch communication, can identify the calling terminal of this moment and whether support such scheme, so that the follow-up multimedia color ring back tone implementation that correspondence is provided.
A kind of switch that the embodiment of the invention provides, pass through request unit, send the information that identifies the play multimedia CRBT to calling terminal, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement, begin the play multimedia CRBT thereby can trigger calling terminal after called beginning ring.
A kind of color ring server that the embodiment of the invention provides by obtaining the unit, receives the H.245 media negotiation request of agreement; And pass through performance element, carry out H.245 protocol media negotiation according to this request and calling terminal, set up the interface channel of play multimedia CRBT, and give calling terminal, thereby can realize being calling terminal play multimedia CRBT based on the media negotiation result based on this passage play multimedia CRBT.
A kind of terminal equipment that the embodiment of the invention provides by the information acquisition unit, obtains the information of the sign " with the play multimedia CRBT " of network side transmission; Pass through performance element, information according to described sign " with the play multimedia CRBT ", send the H.245 media negotiation request of agreement to color ring server, request is carried out H.245 protocol media negotiation with color ring server and is set up the interface channel of play multimedia CRBT, and, this terminal equipment of the embodiment of the invention can be obtained the multimedia color ring back tone that color ring server is play based on the media negotiation result based on the multimedia color ring back tone that this passage acquisition color ring server is play.
A kind of communication system that the embodiment of the invention provides can realize multimedia color ring back tone based on drop-out technique.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (16)
1, a kind of method based on drop-out technique realization Ring Back Tone service is characterized in that this method comprises:
The Calling Side switch is known terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called;
Multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement;
Multimedia polyphonic ringtone server, according to the media negotiation result, the play multimedia CRBT is given calling terminal.
2, the method for claim 1 is characterized in that,
Described sign by ring indication Alerting message, sends the information of play multimedia CRBT to described calling terminal;
Perhaps,
Described sign by connecting Connect message, sends the information of play multimedia CRBT to described calling terminal;
Perhaps,
Described sign by Facility message, sends the information of play multimedia CRBT to described calling terminal.
3, the method for claim 1 is characterized in that, this method also comprises:
After the Calling Side switch was known called off-hook according to the notice of callee side switch, H.245 notice calling terminal or multimedia polyphonic ringtone server were removed and are connected;
According to the feedback of calling terminal or multimedia polyphonic ringtone server, know H.245 to connect successfully and remove, then the bearer path between dismounting and the multimedia polyphonic ringtone server;
Connect the bearer path with callee side, give calling terminal by transmitting the sign beginning with the information that terminal called carries out the multimedia conversation, the notice calling terminal carries out H.245 protocol media negotiation with callee side;
Calling terminal and terminal called based on the media negotiation result, carry out the multimedia conversation.
4, method as claimed in claim 3 is characterized in that, this method also comprises:
Described sign begins to carry out with terminal called the information of multimedia conversation, by Facility message, sends described calling terminal to;
Described sign begins to carry out with terminal called the information of multimedia conversation, by connecting Connect message, sends described calling terminal to.
5, as claim 1,2 or 3 described methods, it is characterized in that this method also comprises:
The Calling Side switch reports according to calling terminal, knows the ability of calling terminal support drop-out technique.
6, method as claimed in claim 5 is characterized in that, this method also comprises:
Whether the Calling Side switch is supported calling terminal the ability of drop-out technique to be notified to the multimedia color ring back tone platform;
Described multimedia color ring back tone platform according to the notice of described Calling Side switch, is known the ability of calling terminal support drop-out technique.
7, a kind of switch is characterized in that, comprising:
The information acquisition unit is used for knowing terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called;
Request unit, be used for identifying according to the terminal called that is obtained with multimedia color ring back tone, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement.
8, switch as claimed in claim 7 is characterized in that, this switch also comprises:
Notification unit, after being used for the Calling Side switch and knowing called off-hook according to the notice of callee side switch, H.245 notice calling terminal or multimedia polyphonic ringtone server are removed and are connected;
The bearer path processing unit is used for the feedback according to calling terminal or multimedia polyphonic ringtone server, knows H.245 to connect successfully to remove, and the bearer path between dismounting and the multimedia polyphonic ringtone server; Connect bearer path with callee side;
Described notification unit also is used for giving calling terminal by the information that transmits sign " beginning is carried out the multimedia conversation with terminal called ", and notice calling terminal and callee side carry out the H.245 media negotiation of agreement.
9, as claim 7 or 8 described switches, it is characterized in that this switch also comprises:
Judging unit is used for the ability information that reports according to calling terminal, judges whether calling terminal supports the ability of drop-out technique, and when judged result is the ability of calling terminal support drop-out technique, triggers the described request cell operation.
10, switch as claimed in claim 9 is characterized in that, this switch also comprises:
The ability notification unit is used for whether calling terminal is supported the ability of drop-out technique, is notified to the multimedia color ring back tone platform.
11, a kind of color ring server is characterized in that, comprising:
Obtain the unit, be used to receive the H.245 media negotiation request of agreement;
Performance element is used for carrying out H.245 protocol media negotiation according to this request and calling terminal, sets up the interface channel of play multimedia CRBT, and gives calling terminal based on this passage play multimedia CRBT.
12, color ring server as claimed in claim 8 is characterized in that,
Described acquisition unit also is used for the notice according to described Calling Side switch, obtains the information whether calling terminal supports the ability of drop-out technique;
This color ring server, also comprise: judging unit, be used for whether supporting the information of drop-out technique ability according to described calling terminal, judge whether for the calling terminal coloring ring back tone playing still according to the call proceeding callee side of calling terminal, and when judged result be during for the calling terminal coloring ring back tone playing, then trigger described performance element work.
13, a kind of terminal equipment is characterized in that, this terminal equipment comprises:
The information acquisition unit is used to obtain the information of the sign of network side transmission with the play multimedia CRBT;
Performance element, be used for according to the information of described sign the play multimedia CRBT, by send H.245 protocol media negotiation request to color ring server, request is carried out H.245 protocol media negotiation with color ring server and is set up the interface channel of play multimedia CRBT, and obtains the multimedia color ring back tone that color ring server is play based on this passage.
14, terminal equipment as claimed in claim 13 is characterized in that,
Described information acquisition unit also is used for obtaining to remove H.245 connection request;
Described performance element also is used for according to described dismounting connection request H.245, remove with color ring server between H.245 be connected;
Described information acquisition unit also is used to obtain the information of the sign " beginning is carried out the multimedia conversation with terminal called " that the Calling Side switch sends;
Described performance element also is used for beginning to carry out the information that multimedia is conversed with terminal called according to described sign, and by send H.245 protocol media negotiation request to callee side, request is carried out the H.245 media negotiation of agreement with callee side.
15, as claim 13 or 14 described terminal equipments, it is characterized in that this terminal equipment also comprises:
Report the unit, be used for reporting terminal equipment and whether support the information of the ability of drop-out technique to give the Calling Side switch.
16, a kind of communication system is characterized in that, comprising:
The Calling Side switch is used for knowing terminal called after the free time according to the notice of callee side switch, from the network of terminal called ownership, obtains the multimedia color ring back tone sign of terminal called; Multimedia color ring back tone sign according to the terminal called that is obtained, set up the bearer path of multimedia color ring back tone to the multimedia polyphonic ringtone server request, and after knowing that described bearer path is set up, give calling terminal by transmitting sign with the information of play multimedia CRBT, notice calling terminal and described multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement;
Color ring server, be used to receive the media negotiation request of the H.245 agreement that calling terminal sends, carry out H.245 protocol media negotiation according to this request and calling terminal, set up the interface channel of play multimedia CRBT, and give calling terminal based on this passage play multimedia CRBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100564719A CN101489001B (en) | 2008-01-18 | 2008-01-18 | Method for implementing multimedia ring back tone based on drop-out technique and corresponding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100564719A CN101489001B (en) | 2008-01-18 | 2008-01-18 | Method for implementing multimedia ring back tone based on drop-out technique and corresponding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101489001A true CN101489001A (en) | 2009-07-22 |
| CN101489001B CN101489001B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100564719A Expired - Fee Related CN101489001B (en) | 2008-01-18 | 2008-01-18 | Method for implementing multimedia ring back tone based on drop-out technique and corresponding equipment |
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| Country | Link |
|---|---|
| CN (1) | CN101489001B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105208434A (en) * | 2014-06-11 | 2015-12-30 | 阿里巴巴集团控股有限公司 | Media projection method, media projection equipment, control terminal, and cloud server |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832518A (en) * | 2005-03-10 | 2006-09-13 | 华为技术有限公司 | System and method for providing multi-media opera browser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105208434A (en) * | 2014-06-11 | 2015-12-30 | 阿里巴巴集团控股有限公司 | Media projection method, media projection equipment, control terminal, and cloud server |
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| Publication number | Publication date |
|---|---|
| CN101489001B (en) | 2012-04-25 |
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