CN101707765B - Method for transmitting calling number in V5 and media gateway control protocol converter - Google Patents
Method for transmitting calling number in V5 and media gateway control protocol converter Download PDFInfo
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- CN101707765B CN101707765B CN2009101904074A CN200910190407A CN101707765B CN 101707765 B CN101707765 B CN 101707765B CN 2009101904074 A CN2009101904074 A CN 2009101904074A CN 200910190407 A CN200910190407 A CN 200910190407A CN 101707765 B CN101707765 B CN 101707765B
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- calling number
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- calling
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- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000013468 resource allocation Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
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Abstract
The invention discloses a method for transmitting a calling number in a V5 and a media gateway control protocol converter, which comprises the following steps that: a local switch sends a call establishment request through a V5 interface and sets an initial ringing sign; the protocol converter detects the state of a user port, and if the state is idle, the call is responded to establish the request and the local switch sends a relay resource allocation instruction to the protocol converter; the protocol converter receives the relay resource allocation instruction, allocates a voice digital processor, is connected with a relay resource, and informs the local switch of sending the calling number; the local switch sends the calling number through in-band relay, and the voice digital processor processes a voice stream to detect and identify the calling number; and the protocol converter uses the voice digital processor and the calling number to start the call to a media gateway and sends the calling number in a out-of-bond way. Due to the implementation of the detection and store-and-forward of the calling number in the protocol converter, the detection and a sending mechanism of the calling number are convenient; and the technical implementation is simple, the capacity of a voice DSP resource is fully utilized, and the function is reliable and stable.
Description
Technical field
The present invention relates to a kind of method that transmits calling number, in particular in the communication equipment of realizing the conversion of V5 and MGCP, transmit the method for calling number.
Background technology
The V5 agreement is a standard interface of realizing that local switching network is connected with local access network, based on time-division multiplex technology, is widely used in the traditional PSTN network.Along with access network technology gradually to full optical access network evolution, media gateway based on packet-switch technology has obtained adopting widely, but media gateway can only be linked in the NGN network usually, provide media gateway controlling by soft switch, if media gateway is linked in the local switching network, need protocol conversion device, realize the conversion of V5 agreement and MGCP by Tandem Gateway.The introducing of protocol conversion device, efficiently solve the realization of protocol interconnection and call business, aspect caller ID display, more satisfactory solution is to adopt the V5.2 agreement that strengthens, adopt out-band method to send calling number, when protocol converter sends the establishment bind command to media gateway, adopt out-band method to transmit dialing number information equally, thereby realize the demonstration of calling number.Adopt this mode generally all to need local switch can support the V5.2 agreement that strengthens, but this agreement is the agreement of the customization in order to support Personal Handyphone System to insert, a lot of networking local switch does not early support out-band method to send calling number, can only send calling number by the in-band method of standard.When adopting in-band method to send calling number, the V5 interface will send calling number by the initial ringing notice, in this process, need protocol conversion device notice media gateway to create media channel, and start to the initial ringing signal of substation, this process is very high for the requirement of signaling time-sequence, be difficult in packet network, control effectively, when causing carrying out the transmission of calling number in this way, the situation that the last position of calling number or former position are dropped often occurs, be difficult to satisfy the requirement of communication quality.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of method of in V5 and MGCP conversion, transmitting calling number, defective at above-mentioned prior art, provide a kind of store and forward mode, with the conveniently transmission of reliable and stable realization calling number in protocol conversion device.
Technical scheme of the present invention comprises:
A kind of method of in V5 and MGCP conversion, transmitting calling number, it may further comprise the steps:
A, local switch send relay circuit resources by the V5 interface and distribute indication to protocol converter;
After B, protocol converter response relay circuit resources were distributed indication, local switch sent setup requests to protocol converter, and the initial ringing sign is set in request message;
C, protocol converter response setup requests distributes the speech digit processor to be used for the reception of calling number simultaneously, and the speech digit processor is connected with repeat circuit, and the notice local switch sends calling number;
D, local switch are by sending calling number in the repeat circuit band, and the speech digit processor is handled to detect to voice flow and identified calling number;
E, protocol converter start to the calling of media gateway, and use out-band method to send calling number.
Described method wherein, also comprises among the described step B:
Described method, wherein, speech digit processor described in the described step C comprises special-purpose calling number detecting unit or general voice signal processing unit.
Described method wherein, also comprises among the described step D: the speech digit processor comprises the calling number transmitting time to the identification of dialing number information all the elements.
Described method, wherein, also comprise among the described step D: protocol converter is analyzed the calling number that identifies, the stores processor process.
Described method, wherein, media gateway described in the described step e comprises supports MGCP/MEGECO, the H.248 access device of protocol function.
A kind of method of in V5 and MGCP conversion, transmitting calling number provided by the present invention, owing to adopted the detection of in protocol converter, carrying out calling number and the realization of storing forwarding, made things convenient for calling number to detect and transmit mechanism, its technology realizes simple and clear, made full use of the ability of voice dsp resource, reliable in function is stable.
Embodiment
Below in conjunction with accompanying drawing, will be described in more detail each preferred embodiment of the present invention.
The core thinking of the inventive method is exactly: protocol converter with in the pre-reception and the identification of calling number, to realize complete reliable calling number reception.The inventive method is arranged in the existing hardware systems, and protocol converter needs speech processes DSP to finish the conversion of TDM voice flow and packet voice stream, thereby therefore can carry out the multiplexing ability of utilizing existing hardware to greatest extent to speech processes DSP.
Below lift instantiation and describe the inventive method.
Support the handling process of the protocol converter of V5 agreement and MGCP agreement, handling process is: local switch is initiated to the calling of protocol converter, at first the indication of the BCC protocol message ALLOCATION by V5 agreement protocol converter is to specifying repeat circuit and distribute and taking, after protocol converter transmission ALLOCATIONCOMPLETE responds the repeat circuit assignment messages, local switch sends ESTABLISH and carries out setup requests, the initial ringing sign is set in this message simultaneously, protocol converter sends ESTABLISH ACK setup requests, know that by the initial ringing sign local switch need send calling number simultaneously, therefore distribute voice dsp to be used for the reception of calling number, and voice dsp is connected with repeat circuit, the notice local switch sends calling number, local switch is by sending calling number to protocol converter in the repeat circuit band that has distributed, voice dsp carries out medium to be handled, and write down detected calling number, after calling number receives, protocol converter finds called gateway and port by called L3 address, send CRCX and create connection, and comprise calling number, behind the called phone ring off-hook, gateway is by 200OK notification protocol transducer, protocol converter notifies called receiver off-book for this machine switch by SIGNAL, local switch is set up the two-way networking of both call sides, and the calling and called user enters talking state.
Support the handling process of the protocol converter of V5 agreement and H248 agreement, handling process is: local switch is initiated to the calling of protocol converter, at first the indication of the BCC protocol message ALLOCATION by V5 agreement protocol converter is to specifying repeat circuit and distribute and taking, after protocol converter transmission ALLOCATIONCOMPLETE responds the repeat circuit assignment messages, local switch sends ESTABLI SH and carries out setup requests, the initial ringing sign is set in this message simultaneously, protocol converter sends ESTABLISH ACK setup requests, know that by the initial ringing sign local switch need send calling number simultaneously, therefore distribute voice dsp to be used for the reception of calling number, and voice dsp is connected with repeat circuit, the notice local switch sends calling number, local switch is by sending calling number to protocol converter in the repeat circuit band that has distributed, voice dsp carries out medium to be handled, and write down detected calling number, after calling number receives, protocol converter finds called gateway and port by called L3 address, then send ADD and create connection to gateway, and calling number in message, being with, behind the called phone ring off-hook, gateway is by NOTIFY notification protocol transducer, protocol converter is by the called receiver off-book of SIGNAL message informing local switch, send MODIFY simultaneously to gateway, after setting up the two-way connection of speech channel, the calling and called both sides enter talking state.
In the methods of the invention, adopted preallocated voice dsp to carry out the reception of calling number, thereby guaranteed that calling number receives in the reliable band.After reception, adopt signaling method to send calling number to gateway, guaranteed that the end user can obtain reliable caller ID display
And the voice dsp that the inventive method is used can multiplexingly be used for the voice dsp of encoding and decoding speech conversion, thereby excavates the media processing capacity of medium converter to greatest extent, guarantees that the inventive method is simply effective.
Should be understood that above-mentioned description at preferred embodiment of the present invention only is the example explanation, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.
Claims (5)
1. method of in the conversion of V5 and MGCP, transmitting calling number, it may further comprise the steps:
A, local switch send relay circuit resources by the V5 interface and distribute indication to protocol converter;
After B, protocol converter response relay circuit resources were distributed indication, local switch sent setup requests to protocol converter, and the initial ringing sign is set in request message;
C, protocol converter response setup requests distributes the speech digit processor to be used for the reception of calling number simultaneously, and the speech digit processor is connected with repeat circuit, and the notice local switch sends calling number;
D, local switch are by sending calling number in the repeat circuit band, and the speech digit processor is handled to detect to voice flow and identified calling number;
E, protocol converter use speech digit processor and calling number, start to the calling of media gateway, and use out-band method to send calling number.
2. method according to claim 1 is characterized in that, speech digit processor described in the described step C comprises special-purpose calling number detecting unit or general voice signal processing unit.
3. method according to claim 1 is characterized in that, also comprises among the described step D: the speech digit processor comprises the calling number transmitting time to the identification of dialing number information all the elements.
4. method according to claim 1 is characterized in that, also comprises among the described step D: protocol converter is analyzed the calling number that identifies, the stores processor process.
5. method according to claim 1 is characterized in that, media gateway described in the described step e comprises supports MGCP, the access device of protocol function H.248.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101904074A CN101707765B (en) | 2009-09-16 | 2009-09-16 | Method for transmitting calling number in V5 and media gateway control protocol converter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101904074A CN101707765B (en) | 2009-09-16 | 2009-09-16 | Method for transmitting calling number in V5 and media gateway control protocol converter |
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| Publication Number | Publication Date |
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| CN101707765A CN101707765A (en) | 2010-05-12 |
| CN101707765B true CN101707765B (en) | 2011-12-21 |
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| CN2009101904074A Expired - Fee Related CN101707765B (en) | 2009-09-16 | 2009-09-16 | Method for transmitting calling number in V5 and media gateway control protocol converter |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527550A (en) * | 2003-03-06 | 2004-09-08 | 华为技术有限公司 | IP access method and system of phonetic service |
| CN1672433A (en) * | 2002-07-29 | 2005-09-21 | 西门子公司 | Media gateway for providing PSTN/ISDN services in next generation networks |
| CN1767510A (en) * | 2004-10-29 | 2006-05-03 | 华为技术有限公司 | Access media gateway and its service processing method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672433A (en) * | 2002-07-29 | 2005-09-21 | 西门子公司 | Media gateway for providing PSTN/ISDN services in next generation networks |
| CN1527550A (en) * | 2003-03-06 | 2004-09-08 | 华为技术有限公司 | IP access method and system of phonetic service |
| CN1767510A (en) * | 2004-10-29 | 2006-05-03 | 华为技术有限公司 | Access media gateway and its service processing method |
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| CN101707765A (en) | 2010-05-12 |
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Denomination of invention: Method for transmitting calling number in V5 and media gateway control protocol converter Effective date of registration: 20130830 Granted publication date: 20111221 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN GENEW TECHNOLOGIES Co.,Ltd. Registration number: 2013990000626 |
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Denomination of invention: Method for transmitting calling number in V5 and media gateway control protocol converter Effective date of registration: 20141105 Granted publication date: 20111221 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN GENEW TECHNOLOGIES Co.,Ltd. Registration number: 2014990000930 |
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Address after: 518057 Guangdong city of Shenzhen province Nanshan District seven South Road Shenzhen Digital Technology Park building B1 on the third floor A District No. 1 Patentee after: SHENZHEN GENEW TECHNOLOGY Co.,Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District seven South Road Shenzhen Digital Technology Park building B1 on the third floor A District No. 1 Patentee before: SHENZHEN GENEW TECHNOLOGIES Co.,Ltd. |
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