CN101489001B - 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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- CN101489001B CN101489001B CN2008100564719A CN200810056471A CN101489001B CN 101489001 B CN101489001 B CN 101489001B CN 2008100564719 A CN2008100564719 A CN 2008100564719A CN 200810056471 A CN200810056471 A CN 200810056471A CN 101489001 B CN101489001 B CN 101489001B
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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.
Realize that based on cross-over connection (Bridge or Trombone Mode) technology the main thought of the solution of Multimedia Ring Back Tone service is: when calling is called; As long as called customized Multimedia Ring Back Tone service; Then the Calling Side switch all is routed to MRBT (Multimedia Ring Back Tone with speech channel; 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 ring back tones by multimedia color ring back tone platform and calling terminal; Behind called off-hook, the multimedia color ring back tone platform then stops play multimedia ring back tones, 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.
Realize that based on non-cross-over connection (Drop-Out) technology the main thought of the solution of Ring Back Tone service 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 play multimedia ring back tones 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 ring back tones; Behind called off-hook; Stop play multimedia ring back tones 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 maybe be more than twice.
By above-mentioned visible; 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 ring back tones, 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 practice thrift 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 present invention provides a kind of method, switch, color ring server and terminal equipment based on drop-out technique realization Ring Back Tone service, has provided the concrete realization flow of realizing Ring Back Tone service based on drop-out technique.
The embodiment of the invention realizes through following technical scheme:
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 said bearer path is set up; Information through transmitting sign " with play multimedia ring back tones " is given calling terminal, and notice calling terminal and said multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement;
Multimedia polyphonic ringtone server, according to the media negotiation result, play multimedia ring back tones 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 said bearer path is set up, give calling terminal through the information that transmits sign " with play multimedia ring back tones ", notice calling terminal and said 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 ring back tones, and gives calling terminal based on this passage play multimedia ring back tones.
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 play multimedia ring back tones;
Performance element; Be used for information according to said sign " with play multimedia ring back tones "; Through send H.245 protocol media agreement 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 ring back tones, 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 said bearer path is set up; Information through transmitting sign " with play multimedia ring back tones " is given calling terminal, and notice calling terminal and said 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 ring back tones, and give calling terminal based on this passage play multimedia ring back tones.
Technical scheme by the invention described above embodiment provides can be found out; 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 said bearer path is set up, give calling terminal with the information of play multimedia ring back tones through transmitting sign; Notice calling terminal and said multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement; Multimedia polyphonic ringtone server, according to the media negotiation result, play multimedia ring back tones is given calling terminal.Therefore this technology has provided the concrete realization flow of realizing Ring Back Tone service based on drop-out technique, so that calling terminal begins to receive play multimedia ring back tones 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
To 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; Information through transmitting sign " with play multimedia ring back tones " is given calling terminal, carries out H.245 protocol media negotiation with request calling terminal and said multimedia polyphonic ringtone server, so that play multimedia ring back tones; After network side is known called off-hook, give calling terminal through the information that transmits sign " beginning to carry out multimedia with terminal called converses ", request calling terminal and said callee side carry out H.245 protocol media negotiation, so that carry out the multimedia conversation.
The realization flow of this first embodiment is as shown in Figure 1, comprises following content:
Step 101, calling terminal is called out terminal called, and said 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 through 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, can compatible have the access at the terminal of the ability of not supporting drop-out technique like this.
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 said bearer path is set up, give calling terminal through the information that transmits sign " with play multimedia ring back tones "; Request calling terminal and said multimedia polyphonic ringtone server are carried out H.245 protocol media negotiation, so that play multimedia ring back tones.
The information of said sign " with play multimedia ring back tones " can send said calling terminal to through Alerting (ring) Indication message; Also can send said calling terminal to through Connect (connection) message; Also can send said calling terminal to through Facility message.
Before step 103, whether the Calling Side switch can also support calling terminal the ability of drop-out technique, and notice is given multimedia polyphonic ringtone server; Multimedia polyphonic ringtone server knows according to the notice of said Calling Side switch whether calling terminal has the ability of supporting drop-out technique, has the ability of supporting drop-out technique if confirm 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, play multimedia ring back tones 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 through 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 said sign " beginning is carried out the multimedia conversation with terminal called " can send said calling terminal to through Facility message; Also can send said calling terminal to through 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 play multimedia ring back tones " through Connect message and give calling terminal, carry out H.245 protocol media negotiation with calling terminal and said multimedia polyphonic ringtone server, so that play multimedia ring back tones; Transmit the information of sign " beginning to carry out multimedia with terminal called converses " through Facility message and give calling terminal, carry out H.245 protocol media negotiation with request calling terminal and said callee side, so that carry out the multimedia conversation between the calling and called.The concrete realization flow of this application is as shown in Figure 2, comprises following content:
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, is sent 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 is wherein carried called MSRN (Mobile Station Roaming Number, mobile station roaming number).The CLIP service if the called subscriber has contracted need carry calling number in the BICC IAM message.
Step 208, if when getting roaming number, do not initiate pre-paging, MSC Server B sends Paging (paging) message to UE B, and is called with paging.
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 for indicating terminal whether can support non-cross-over connection scheme ability, is to represent to support non-cross-over connection scheme at 001 o'clock like 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 ServerA returns Alerting message to UEA.
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 ServerA send Connect message to give call subscriber terminal; H.245, the indication call subscriber terminal can be consulted.Simultaneously, Connect message needs expansion, is play multimedia ring back tones now to inform calling terminal, does not need timing.
Step 218, call subscriber terminal returns Connect_ack to MSC ServerA.
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, play multimedia ring back tones, the user watches multimedia color ring back tone.
Step 221, the called subscriber answers calling (replying), sends Connect message through 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, H.245 process is removed after the completion for the first time, and the multimedia color ring back tone platform is to MSC ServerA loopback BICC RLC (Release Completion discharges and accomplishes) message.
Step 227, MSC Server A sends Facility message to calling terminal, consults to inform that calling terminal starts with the capable H.245 protocol media of terminal called immediately, 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 ring back tones.
Step 228, calling terminal and terminal called are set up H.245 process.
Step 229, video call is carried out at the calling and called terminal.
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 A of calling terminal UE A, Calling Side, color ring platform MRBT, terminal called UE
The switch MSC Server B of B, callee side, the attaching position register HLR B of callee side.In this application, transmit the information of sign " with play multimedia ring back tones " through Alerting message and give calling terminal, begin to carry out H.245 protocol media negotiation so that play multimedia ring back tones with notice calling terminal and said multimedia polyphonic ringtone server; Transmit the information of sign " beginning to carry out multimedia with terminal called converses " through Connect message and give calling terminal, begin to carry out H.245 protocol media negotiation with notice calling terminal and said callee side, so that calling and called carry out the multimedia conversation.The concrete realization flow of this application is as shown in Figure 3, and 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 A of calling terminal UE A, Calling Side, color ring platform MRBT, terminal called UE
The switch MSC Server B of B, callee side, the attaching position register HLR B of callee side.In this application, transmit the information of sign " with play multimedia ring back tones " through Facility message and give calling terminal, begin to carry out H.245 protocol media negotiation so that play multimedia ring back tones with notice calling terminal and said multimedia polyphonic ringtone server; Transmit the information of sign " beginning to carry out multimedia with terminal called converses " through Connect message and give calling terminal, begin to carry out H.245 protocol media negotiation with notice calling terminal and said callee side, so that calling and called carry out the multimedia conversation.The concrete realization flow of this application is as shown in Figure 4, and 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 is as shown in Figure 5, and 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 said bearer path is set up, give calling terminal through the information that transmits sign " with play multimedia ring back tones ", notice calling terminal and said multimedia polyphonic ringtone server are carried out the media negotiation of agreement H.245 so that play multimedia ring back tones.
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 through 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, and notice is given the multimedia color ring back tone platform.
Third embodiment of the invention has proposed a kind of color ring server, and is as shown in Figure 6, and this color ring server comprises: obtain unit and performance element.
Wherein, said acquisition unit is used to receive the H.245 media negotiation request of agreement.
Said 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 ring back tones, and gives calling terminal based on this passage play multimedia ring back tones, 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 said 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 said 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 said performance element work.
Fourth embodiment of the invention has proposed a kind of terminal equipment, and is as shown in Figure 7, and this terminal equipment comprises: information acquisition unit and performance element.
Wherein, said information acquisition unit is used to obtain the information of the sign " with play multimedia ring back tones " that network side transmits.
Said performance element; Be used for information according to said sign " with play multimedia ring back tones "; Through send H.245 protocol media agreement 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 ring back tones, 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 said 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 said 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 said bearer path is set up; Give calling terminal through transmitting sign with the information of play multimedia ring back tones, notice calling terminal and said 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 ring back tones, and gives calling terminal based on this passage play multimedia ring back tones.Functional unit that specifically comprises and realization thereof and above-mentioned associated description are similar, are not described in detail here.
Technical scheme by the invention described above embodiment provides can be found out; 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 said bearer path is set up, give calling terminal with the information of play multimedia ring back tones through transmitting sign; Notice calling terminal and said multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement; Multimedia polyphonic ringtone server, according to the media negotiation result, play multimedia ring back tones is given calling terminal.Therefore should technology influence 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 concrete realization flow that begins play multimedia ring back tones after the called beginning ring, so that calling terminal begins to receive play multimedia ring back tones 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 through 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 at the terminal of supporting such scheme and the terminal of not supporting such scheme; The Calling Side switch of network side can identify the 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 play multimedia ring back tones to calling terminal; Notice calling terminal and said multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement, after called beginning ring, begin play multimedia ring back tones thereby can trigger calling terminal.
A kind of color ring server that the embodiment of the invention provides through 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 ring back tones, and give calling terminal, thereby can realize that based on the media negotiation result be the calling terminal play multimedia ring back tones based on this passage play multimedia ring back tones.
A kind of terminal equipment that the embodiment of the invention provides through the information acquisition unit, obtains the information of the sign " with play multimedia ring back tones " of network side transmission; Pass through performance element; Information according to said sign " with play multimedia ring back tones "; 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 ring back tones, and obtains the multimedia color ring back tone that color ring server is play based on this passage, can 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.
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, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (16)
1. realize the method for Ring Back Tone service it is characterized in that this method comprises based on drop-out technique for one kind:
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 said bearer path is set up; Information through transmitting sign " with play multimedia ring back tones " is given calling terminal, and notice calling terminal and said multimedia polyphonic ringtone server are carried out the H.245 media negotiation of agreement;
Multimedia polyphonic ringtone server, according to the media negotiation result, play multimedia ring back tones is given calling terminal.
2. the method for claim 1 is characterized in that,
The information of said sign " with play multimedia ring back tones " through ring indication Alerting message, sends said calling terminal to;
Perhaps,
The information of said sign " with play multimedia ring back tones " through connecting Connect message, sends said calling terminal to;
Perhaps,
The information of said sign " with play multimedia ring back tones " through Facility message, sends said calling terminal to.
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 through the information that transmits sign " beginning is carried out the multimedia conversation with terminal called ", 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:
The information of said sign " beginning is carried out the multimedia conversation with terminal called " through Facility message, sends said calling terminal to;
The information of said sign " beginning is carried out the multimedia conversation with terminal called " through connecting Connect message, sends said calling terminal to.
5. like 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 supports the ability of drop-out technique with calling terminal, and notice is given multimedia polyphonic ringtone server;
Said multimedia polyphonic ringtone server is known the ability of calling terminal support drop-out technique according to the notice of said Calling Side switch.
7. a 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 said bearer path is set up, give calling terminal through the information that transmits sign " with play multimedia ring back tones ", notice calling terminal and said 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;
Said notification unit also is used for giving calling terminal through 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. like 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, and notice is given the multimedia color ring back tone platform.
11. a 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 ring back tones, and gives calling terminal based on this passage play multimedia ring back tones.
12. color ring server as claimed in claim 11 is characterized in that,
Said acquisition unit also is used for the notice according to said 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 said 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 said performance element work.
13. a terminal equipment is characterized in that, this terminal equipment comprises:
The information acquisition unit is used to obtain the information of the sign " with play multimedia ring back tones " that network side transmits;
Performance element; Be used for information according to said sign " with play multimedia ring back tones "; Through send H.245 protocol media agreement 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 ring back tones, 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,
Said information acquisition unit also is used for obtaining to remove H.245 connection request;
Said performance element also is used for according to said dismounting connection request H.245, remove with color ring server between H.245 be connected;
Said 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;
Said performance element also is used for the information according to said sign " beginning is carried out the multimedia conversation with terminal called ", and through send H.245 protocol media agreement request to callee side, request is carried out the H.245 media negotiation of agreement with callee side.
15., it is characterized in that this terminal equipment also comprises like claim 13 or 14 described terminal equipments:
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 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 said bearer path is set up; Give calling terminal through transmitting sign " with the information of play multimedia ring back tones ", notice calling terminal and said 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 ring back tones, and give calling terminal based on this passage play multimedia ring back tones.
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 |
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| Publication Number | Publication Date |
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| CN101489001A CN101489001A (en) | 2009-07-22 |
| CN101489001B true CN101489001B (en) | 2012-04-25 |
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| 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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| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 曹予飞,廖建新,刘岩,荀兆勇,朱晓民,张磊.基于H.248/Megaco协议的多媒体回铃音业务的研究.《计算机应用研究》.2004,第24卷(第4期),第1栏第1行-第5栏第10行. * |
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