CN101640731B - Polyphonic ringtone server, method for realizing polyphonic ringtone, and device and method for identifying polyphonic ringtone - Google Patents
Polyphonic ringtone server, method for realizing polyphonic ringtone, and device and method for identifying polyphonic ringtone Download PDFInfo
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- CN101640731B CN101640731B CN2008101427367A CN200810142736A CN101640731B CN 101640731 B CN101640731 B CN 101640731B CN 2008101427367 A CN2008101427367 A CN 2008101427367A CN 200810142736 A CN200810142736 A CN 200810142736A CN 101640731 B CN101640731 B CN 101640731B
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Abstract
The invention relates to technology for realizing polyphonic ringtones, and provides a polyphonic ringtone server, a method for realizing the polyphonic ringtone and a device and a method for identifying the polyphonic ring aiming at the defect that in the prior scheme for realizing the polyphonic ringtone, a local side switch on one side of a call subscriber takes a polyphonic ringtone data flow as a voice data flow by mistake and causes a series of faulty operations. The polyphonic ringtone server comprises a call detection module and an output module, wherein the calling detection module is used for transmitting an output command when a call request is detected; and the output module is used for outputting a polyphonic ringtone data flow containing watermarks when the output command is received. The invention also provides a method for realizing the polyphonic ringtone and a device and a method for identifying the polyphonic ringtone. The watermarks are added into the polyphonic ringtone data flow, so that the local side switch can distinguish whether the received audio data flow is the polyphonic ringtone data flow or the voice data flow; and only when the voice data flow is received, a series of operations, such as charging the call subscriber and the like, are started. Therefore, the server, the methods and the device can avoid the faulty operations caused by that the local side switch takes the polyphonic ringtone data flow as the voice data flow by mistake.
Description
Technical field
The present invention relates to CRBT realization technology, more particularly, relate to a kind of color ring server and CRBT implementation method and CRBT device for identifying and method.
Background technology
As important value-added telecom services, Ring Back Tone service extensively has been subjected to user's welcome always since 2003 release, also improve professional ARPU value for operator simultaneously and made important contribution.
The realization principle of existing Ring Back Tone service is, the calling subscriber is to making a call request of called subscriber, and this call request is by the local side switch of calling subscriber's one side and color ring server reception.Subsequently, the local side switch of calling subscriber's one side transmits bell signal by the local side switch of called subscriber's one side to the called subscriber; Simultaneously, transmit color ring data stream by color ring server to the calling subscriber.This color ring data stream sends the calling subscriber to by the local side switch of calling subscriber's one side, is received and is play by call subscriber terminal immediately.After called subscriber's off-hook causes conversation to be set up, color ring server will stop to transmit color ring data stream to the calling subscriber.The local side switch of calling subscriber's one side will be transmitted to the calling subscriber from called subscriber's voice data stream, start sequence of operations simultaneously, for example begin the calling subscriber is chargeed.
Since color ring data stream on signal form with voice data stream and indistinction, therefore often cause the local side switch of calling subscriber's one side to think color ring data stream by mistake voice data stream, thereby the local side switch that causes calling subscriber's one side is carried out a series of misoperations, for example begins the calling subscriber is chargeed.
Therefore, need a kind of technology, can overcome the above-mentioned defective that prior art exists.
Summary of the invention
The technical problem to be solved in the present invention is, easily make the local side switch of calling subscriber's one side think color ring data stream thereby by mistake voice data stream cause the defective of a series of misoperations at existing CRBT implementation, a kind of color ring server and CRBT implementation method and CRBT device for identifying and method are provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of color ring server comprises:
The calling detection module is used for sending output command when detecting call request;
Described color ring server also comprises:
Output module is used for beginning the color ring data stream that output packet contains watermark when receiving output command.
In color ring server of the present invention, described watermark is used for described color ring data stream is different from voice data stream.
In color ring server of the present invention,
Described detection module is used for the time sending and stopping output command detecting the call setup notice;
Described output module is used for receiving when stopping output command, stops to export described color ring data stream.
The present invention also provides a kind of CRBT device for identifying, and being used for the audio data stream that identification receives is color ring data stream or voice data stream, comprising:
Decision-making module is used for judging whether described audio data stream comprises watermark, if judge that then this audio data stream is a color ring data stream; Otherwise, judge that this audio data stream is a voice data stream.
In CRBT device for identifying of the present invention, described parsing module is used for sending information when judging described audio data stream for voice data stream.
The present invention also provides a kind of CRBT implementation method, is included in the color ring data stream that output packet when receiving call request contains watermark.
In CRBT implementation method of the present invention, described watermark is used for described color ring data stream is different from voice data stream.
In CRBT implementation method of the present invention, described method also is included in and stops to export described color ring data stream when receiving the call setup notice.
The present invention also provides a kind of CRBT discrimination method, and being used for the audio data stream that identification receives is color ring data stream or voice data stream, comprises judging whether comprise watermark in the described audio data stream, if judge that then this audio data stream is a color ring data stream; Otherwise, judge that this audio data stream is a voice data stream.
In CRBT discrimination method of the present invention, described method also is included in and sends information when judging described audio data stream for voice data stream.
Implement technical scheme of the present invention, has following beneficial effect: in color ring data stream, add watermark, making the local side switch can differentiate the audio data stream of receiving is color ring data stream or voice data stream, thereby only when receiving voice data stream, just start sequence of operations such as the calling subscriber charge.So just can avoid the local side switch to think color ring data stream thereby by mistake voice data stream cause the generation of the situation of a series of misoperations.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation according to the network environment of a preferred embodiment of the present invention;
Fig. 2 is the flow chart according to the CRBT implementation method of a preferred embodiment of the present invention;
Fig. 3 is the structural representation according to the color ring server of a preferred embodiment of the present invention;
Fig. 4 is the structural representation according to the CRBT device for identifying of a preferred embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is the structural representation according to the network environment 100 of a preferred embodiment of the present invention.As shown in Figure 1, network environment 100 comprises communication network 102, call subscriber terminal 104, called user terminal 110, Originating Office end switch 106, called office end switch 108, color ring server 112, accounting server 114 and CRBT device for identifying 116.
Call subscriber terminal 104 and called user terminal 110 can be existing any communication terminals, such as but not limited to pstn telephone terminal, GSM terminal, CDMA terminal or the like.It should be noted that scope of the present invention is not subjected to the restriction of particular communication terminal type.
Originating Office end switch 106 and called office end switch 108 are used for establishing a communications link between call subscriber terminal 104 and called user terminal 110.It can adopt existing any communication protocol to establish a communications link.
Color ring server 112 is used for providing color ring data stream by Originating Office end switch 106 to call subscriber terminal 104.It should be noted that to being different from the voice data stream that called user terminal 110 sends, include watermark information in this color ring data stream.
It is from the color ring data stream of color ring server 112 or from the voice data stream of called user terminal 110 that CRBT device for identifying 116 is used for audio data stream that identification Originating Office end switch 106 receives.Concrete, whether comprise watermark in the audio data stream that CRBT device for identifying 116 is received by judgement and determine that this audio data stream is color ring data stream or voice data stream.The determination methods of relevant color ring data stream will be described in detail hereinafter.
It should be noted that in the specific implementation process color ring server 112 mentioned above can be provided with separately, also can integrate, for example integrate with Originating Office end switch 106 or tandem exchange's switch (not shown) with the switch in the communication network.
Below just CRBT implementation procedure provided by the invention is described in conjunction with Fig. 2.
Fig. 2 is the flow chart according to the CRBT implementation method 200 of a preferred embodiment of the present invention.As shown in Figure 2, method 200 starts from step 202.
Subsequently, at next step 204, the call subscriber terminal off-hook after the local side switch of calling subscriber's one side (hereinafter referred Originating Office end switch) detects the call subscriber terminal off-hook, transmits dialing tone to call subscriber terminal.
Subsequently,, after call subscriber terminal detects dialing tone, begin to dial called number, promptly send call request at next step 206.
Subsequently, at next step 208, the Originating Office end switch is connected to the local side switch (hereinafter referred called office end switch) of called subscriber's one side according to the office direction of called number, is connected to color ring server simultaneously, is about to this call request and is sent to color ring server.In the specific implementation process, usually by the tandem exchange's switch in the PSTN network Originating Office end switch is connected to the called office end switch, this process can be considered the call request that the Originating Office end switch sends call subscriber terminal and sends to tandem exchange's switch, by the office direction of tandem exchange's switch, call request is transmitted to the called office end switch according to called number.
Subsequently, at next step 210, after receiving the call request that call subscriber terminal sends, the called office end switch sends bell signal to called user terminal.Meanwhile, after receiving the call request that call subscriber terminal sends, color ring server begins to send color ring data stream to call subscriber terminal.As indicated above, comprise watermark in the color ring data stream that color ring server sends, this watermark is used to identify color ring data stream, and this watermark is sightless, and promptly watermarked color ring data stream and not watermarked color ring data stream are as broad as long at user terminal.The embedding grammar of watermark can be finished also and can finish at transform domain in time domain, also can carry out simultaneously in the spatial transform territory.Watermark can comprise Serial No., voice data and other any data that can embed and detect, and the CRBT of watermarked front and back is from acoustically distinguishing.Can adopt existing any watermark adding method to come in color ring data stream, to add watermark, the clearly explanation that these methods have provided in the prior art, so this paper repeats no more.
Subsequently, at next step 212, after the call request that call subscriber terminal is sent was transmitted to the called office end switch, the Originating Office end switch detected whether off-hook of called user terminal in real time.
The Originating Office end switch is by to judging whether off-hook of called user terminal from the audio data stream analysis of communication network.The audio data stream from communication network that the Originating Office end switch is received can be divided into color ring data stream and voice data stream two classes, and wherein color ring data stream is from color ring server, and voice data stream is from called user terminal.As indicated above, comprise watermark in the color ring data stream, this watermark can be different from color ring data stream the voice data stream that called user terminal sends.The Originating Office end switch is after the audio data stream of receiving from communication network, wherein whether comprise watermark by detecting, judge that this audio data stream is color ring data stream or voice data stream, and when judging that this audio data stream is color ring data stream, assert called user terminal off-hook not as yet; When judging that this audio data stream is voice data stream, assert called user terminal off-hook.
When judging the called user terminal off-hook, method 200 jumps to step 214, otherwise rejudges whether off-hook of called user terminal.
Subsequently, at next step 214, after judging the called user terminal off-hook, the Originating Office end switch begins to start sequence of operations, comprises such as but not limited to triggering accounting server the calling subscriber is chargeed.
At last, method 200 ends at step 216.
The present invention also provides a kind of color ring server, below just described in conjunction with Fig. 3.
Fig. 3 is the structural representation according to the color ring server 300 of a preferred embodiment of the present invention.As shown in Figure 3, this color ring server 300 comprises calling detection module 302, output module 304 and memory module 306.
Store color ring data stream in the memory module 306, be embedded with the watermark that is used for color ring data stream is different from voice data stream in this color ring data stream.The embedding grammar of watermark can be finished also and can finish at transform domain in time domain, also can carry out simultaneously in the spatial transform territory.Watermark embedding work can be finished by the CRBT provider, also can self be finished by color ring server 300.
In addition, as indicated above, after judging the called user terminal off-hook, the Originating Office end switch begins to start sequence of operations, notifies 312 comprising sending call setup to color ring server.Calling detection module 302 also is used to receive this call setup and notifies 312, sends to stop output command.After output module 304 receives that this stops output command, stop the color ring data stream 310 that output packet contains watermark.
The present invention also provides a kind of CRBT device for identifying, below just be described in greater detail in conjunction with Fig. 4.
Fig. 4 is the structural representation according to the CRBT device for identifying 400 of a preferred embodiment of the present invention.As shown in Figure 4, CRBT device for identifying 400 comprises input 402, decision-making module 404 and output 406.
Input 402 is used to receive audio data stream, and it is transmitted to decision-making module 404.
Decision-making module 402 is used to judge that the audio data stream of receiving is color ring data stream or voice data stream.In the specific implementation process, decision-making module judges according to whether comprising watermark in this audio data stream whether this audio data stream is color ring data stream, if comprise watermark in this audio data stream, then this audio data stream is a color ring data stream; If do not comprise watermark in this audio data stream, then this audio data stream is a voice data stream.When decision-making module 402 judges that this audio data stream is color ring data stream, will send hint instructions.
In concrete application process, CRBT device for identifying 400 can together use with equipment such as Originating Office end switch.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. color ring server comprises:
The calling detection module is used for sending output command when detecting call request;
It is characterized in that described color ring server also comprises:
Output module is used for beginning the color ring data stream that output packet contains watermark when receiving output command; Described watermark is used for described color ring data stream is different from voice data stream.
2. color ring server according to claim 1 is characterized in that,
Described detection module is used for the time sending and stopping output command detecting the call setup notice;
Described output module is used for receiving when stopping output command, stops to export described color ring data stream.
3. a CRBT implementation method is characterized in that, is included in the color ring data stream that output packet when receiving call request contains watermark, and described watermark is used for described color ring data stream is different from voice data stream.
4. CRBT implementation method according to claim 3 is characterized in that, described method also is included in and stops to export described color ring data stream when receiving the call setup notice.
5. CRBT discrimination method, being used for the audio data stream that identification receives is color ring data stream or voice data stream, it is characterized in that comprise judging whether comprise watermark in the described audio data stream, if judge that then this audio data stream is a color ring data stream; Otherwise, judge that this audio data stream is a voice data stream.
6. CRBT discrimination method according to claim 5 is characterized in that, described method also is included in and sends information when judging described audio data stream for voice data stream.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101427367A CN101640731B (en) | 2008-08-01 | 2008-08-01 | Polyphonic ringtone server, method for realizing polyphonic ringtone, and device and method for identifying polyphonic ringtone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101427367A CN101640731B (en) | 2008-08-01 | 2008-08-01 | Polyphonic ringtone server, method for realizing polyphonic ringtone, and device and method for identifying polyphonic ringtone |
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| Publication Number | Publication Date |
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| CN101640731A CN101640731A (en) | 2010-02-03 |
| CN101640731B true CN101640731B (en) | 2011-12-28 |
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| CN2008101427367A Expired - Fee Related CN101640731B (en) | 2008-08-01 | 2008-08-01 | Polyphonic ringtone server, method for realizing polyphonic ringtone, and device and method for identifying polyphonic ringtone |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1917531A (en) * | 2006-09-01 | 2007-02-21 | 北京邮电大学 | System and method of sending color ring in multimedia based on mobile communication network |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1917531A (en) * | 2006-09-01 | 2007-02-21 | 北京邮电大学 | System and method of sending color ring in multimedia based on mobile communication network |
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