CN101959143B - Method for selectively recording during group calling of dispatching desk in digital trunking system - Google Patents
Method for selectively recording during group calling of dispatching desk in digital trunking system Download PDFInfo
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- CN101959143B CN101959143B CN201010523421A CN201010523421A CN101959143B CN 101959143 B CN101959143 B CN 101959143B CN 201010523421 A CN201010523421 A CN 201010523421A CN 201010523421 A CN201010523421 A CN 201010523421A CN 101959143 B CN101959143 B CN 101959143B
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Abstract
The invention relates to a method for selectively recording during group calling of a dispatching desk in a digital trunking system, which is used for accessing broadband wireless multimedia information and overcomes the disadvantage that the conventional dispatching desk wastes the hardware resource of the dispatching desk when recording the whole group calling process. A device for implementing the method consists of the dispatching desk, a trunking dispatching server and a plurality of user terminals. The method comprises the following steps that: the dispatching desk sends a group calling request signaling to the trunking dispatching server; the trunking dispatching server sends a group calling response signaling; the dispatching desk can start recording at any time by available recording function; a dispatcher can stop recording at any time; when the dispatching desk does not record, the dispatcher can continue to record at any time; the dispatching desk sends voice data; and when the group calling is finished, a dispatching desk database records calling end time and call duration, stores a voice record file and provides replay function.
Description
Technical field
The way of recording when the present invention relates to dispatching desk group calling in the digital cluster system.
Background technology
Digital cluster system is the broadband radio multi-media connecting system of using towards key industry; Be the communication system of setting up for the special service demand of government department, organ, industry user, enterprises and institutions, it possesses critical functions such as commander, scheduling, broadband multimedia data transmission.Digital cluster system is research and development and the industrialization towards the wideband multimedia wireless access system of key industrys such as public security system.It can strengthen country for public safety, emergency processing, big assembly activity, succour natural calamity, resist that hostile force is attacked, the ability of the prevention attack of terrorism and numerous emergency case emergency reactions; Accomplish to lay rapidly network; Ensure the transmission of important information, fast and effeciently commander issues an order.
Dispatching desk is one of important composition of digital cluster system, realizes the function such as command scheduling, video call, monitoring of one to one long-range or one-to-many through it.Recording can preserve the content in the calling talk get off, but recording whole communication process can waste the dispatching desk hardware resource.
Summary of the invention
The purpose of this invention is to provide a kind of digital cluster system dispatching desk group calling selective recording method, record the defective that whole calling talk process can be wasted the dispatching desk hardware resource to solve existing dispatching desk.
The system of implementation method is made up of dispatching desk DC, trunking dispatch server TDS and a plurality of user terminal UE; The UDP socket server 1 of dispatching desk DC receives the transmission of wireless signals of trunking dispatch server TDS and carries out host-host protocol; The UDP socket client KS of dispatching desk DC transmits wireless signal and carries out host-host protocol to trunking dispatch server TDS, and all user terminal UE and trunking dispatch server TDS carry out radio communication; Said method comprises the steps: one. dispatching desk DC sends the group calling demand signalling to trunking dispatch server TDS; Two. trunking dispatch server TDS sends group calling to dispatching desk DC and replys signaling; Three. this calling talk zero hour under the data-base recording of dispatching desk DC; The sound-recording function of dispatching desk DC allows to use, and the dispatcher is allowed to begin at any time recording; Under the recording state, the dispatcher can stop recording at any time; Under the non-recording state before this calling talk finishes, the dispatcher can continue recording at any time; Four. trunking dispatch server TDS sends right of speech to dispatching desk DC and authorizes signaling; Five. dispatching desk DC sends speech data to trunking dispatch server TDS; Six, this group calling finishes, and dispatching desk DC sends to trunking dispatch server TDS and calls out release signaling; If dispatching desk DC records this moment, then recording stops automatically; If dispatching desk DC holds right of speech this moment, then stop to send speech data automatically; Seven. this end of conversation time of dispatching desk DC data-base recording, the ticketed call duration is preserved recording file and playback is provided.
Selective recording can make the key component of dispatcher in selectively will conversing preserve, and need not to record whole communication process, has therefore saved the dispatching desk hardware resource.
Description of drawings
Fig. 1 is a structural representation of the present invention, and Fig. 2 is a dispatching desk group calling schematic flow sheet, and Fig. 3 is the structural representation of call request frame; Fig. 4 is the structural representation of call answering frame; Fig. 5 calls out to discharge/toll breakdown the claim frame structural representation, and Fig. 6 calls out to discharge/toll breakdown the acknowledgement frame structural representation, and Fig. 7 is a right of speech application frame structure sketch map; Fig. 8 is that right of speech is distributed the frame structure sketch map, and Fig. 9 is that right of speech discharges the claim frame structural representation.
Embodiment
Embodiment one: specify this execution mode below in conjunction with Fig. 1 and Fig. 2.The system of implementation method is made up of dispatching desk DC, trunking dispatch server TDS and a plurality of user terminal UE; The UDP socket server 1 of dispatching desk DC receives the transmission of wireless signals of trunking dispatch server TDS and carries out host-host protocol; The UDP socket client KS of dispatching desk DC transmits wireless signal and carries out host-host protocol to trunking dispatch server TDS, and all user terminal UE and trunking dispatch server TDS carry out radio communication; Said method comprises the steps: one. dispatching desk DC sends the group calling demand signalling to trunking dispatch server TDS; Two. trunking dispatch server TDS sends group calling to dispatching desk DC and replys signaling; Three. this calling talk zero hour under the data-base recording of dispatching desk DC; The sound-recording function of dispatching desk DC allows to use, and the dispatcher is allowed to begin at any time recording; Under the recording state, the dispatcher can stop recording at any time; Before this calling talk finished, under the non-recording state, the dispatcher can continue recording at any time; Four. trunking dispatch server TDS sends right of speech to dispatching desk DC and authorizes signaling; Five. dispatching desk DC sends speech data to trunking dispatch server TDS; Six, this group calling finishes, and dispatching desk DC sends to trunking dispatch server TDS and calls out release signaling; If dispatching desk DC records this moment, then recording stops automatically; If dispatching desk DC holds right of speech this moment, then stop to send speech data automatically; Seven. this end of conversation time of dispatching desk DC data-base recording, the ticketed call duration is preserved recording file and playback is provided.
If by the release that makes a call of other user terminals, then the 6th step is omitted.In the 6th step, if other dispatching desk that can manage this group is arranged in the phone group, this dispatching desk can be selected " withdraw from and do not discharge conversation ", and then when the 6th step, when dispatching desk DC withdrawed from this group conversation, this group conversation still continued.The recording file that the 7th step is preserved is the splicing of all recording fragments in this communication process.
Embodiment two: the difference of this execution mode and execution mode one is: the dispatcher can repeatedly repeat to stop the operation of recording and continuing to record in the step 3, and the fragment of repeatedly recording is stitched together.
This selective recording method can be accomplished the function that any time begins to record, any time stops to record; And can repeatedly repeat according to the needs of reality, the recording file that finally is kept on the hard disk is to be formed by the fragment assembly that many recording of dispatching desk DC in the Recording Process are produced.
The realization of this selective recording method is to be based upon on the procedure basis of AMR real-time voice transmission.The system that realizes this method mainly is divided into 7 big modules by function: voice collecting, speech play, coding and package, decode and unpack, socket sends, socket receives, recording is handled.
Voice acquisition module is from the sound card image data and convert the pcm encoder packet into and send into buffer queue 1; Coding takes out packet with the package module from buffering formation 2; Adopt AMR (AMR) speech coding compression standard that voice are compressed; Thereby and to the compression after data encapsulation RTP head that obtains and DTP head form complete voice packet, send into again in the buffer queue 2; Socket server sending module takes out voice packet and adopts the mode of UDP Socket to be sent in the network from formation 2, thereby realizes the complete procedure that voice send.
Socket server receiver module adopts the mode of UDP Socket from network, to receive voice packet and voice packet is sent in the buffer queue 3; Decoding is taken out voice packet from buffering the formation 3 with the module of unpacking, carry out RTP and DTP and unpack, thereby and carry out the AMR tone decoding and obtain the PCM speech data, then voice packet is sent in the buffer queue 4; The speech play module is taken out the PCM voice packet from formation 4, the PCM data are delivered to sound card accomplish speech play.
The final packed generation DLL dynamic link library of AMR voice real-time Transmission program is for upper strata Delphi interface program provides the api function interface.
This selective recording method realizes on the basis of above real-time voice transmission procedure, comprises following components:
1. in original voice collecting thread, add to send voice and preserve buffering area, be used to preserve the voice of the real-time transmission that requires to record; In original speech play thread, add to receive voice and preserve buffering area, be used to preserve the voice of the real-time reception that requires to record;
2. open recording thread RecordThread and accomplish the splicing function of the synthetic and voice document of the audio mixing of transmitting-receiving two-way speech data, save as the audio file of wav form behind the end of conversation;
3. begin recording and stop the sound-recording function application interface for upper strata Delphi interface program provides with CloseRecord () through api function OpenRecord () is set at last.
Embodiment three: the difference of this execution mode and execution mode one is that dispatching desk DC sends the right of speech release signaling to trunking dispatch server TDS after comprising the steps: also between step 5 and the step 6 that A1. dispatching desk DC sends the speech data end; A2. trunking dispatch server TDS sends right of speech to dispatching desk DC and removes signaling; A3, user terminal UE send speech data, and dispatching desk DC shows the current number that the user terminal UE of right of speech is arranged.Above-mentioned three steps can repeat repeatedly in a calling talk.
Embodiment four: the difference of this execution mode and execution mode three is after steps A 3, also to comprise the steps: B1, when dispatching desk DC wants to talk, send right of speech application signaling; B2, trunking dispatch server TDS send right of speech and authorize signaling; B3, dispatching desk DC send speech data.Above-mentioned three steps can repeat repeatedly in a calling talk.
Embodiment five: following citing an actual example carried out the explanation of the course of work:
Build test environment: a dispatching desk DC, a trunking dispatch server, a pseudo subscriber terminal UE based on PC based on PC based on PC.After opening the UDP socket server and UDP socket client of dispatching desk DC, carry out as follows:
1. dispatching desk sends the group calling demand signalling to trunking dispatch server.
2. trunking dispatch server is sent group calling to dispatching desk and is replied signaling.
3. after the 2nd step, dispatching desk can be pressed the record button recording at any time, also can press record button at any time once more and stop recording.And this recording step can repeat repeatedly.
4. trunking dispatch server is sent right of speech to dispatching desk simultaneously and is authorized signaling.
5. dispatching desk sends the speech data of gathering to trunking dispatch server.
6. after speech finished, dispatching desk sent the right of speech release signaling to trunking dispatch server.
7. trunking dispatch server is sent right of speech to dispatching desk and is removed signaling.
8. other user's speeches.
9. when dispatching desk is wanted to talk, send right of speech application signaling.
10. trunking dispatch server is sent right of speech and is authorized signaling.
11. dispatching desk sends speech data.
12. during end of conversation, dispatching desk sends to trunking dispatch server and calls out release signaling.
If 13. record dispatching desk at this moment, then recording stops automatically, and all recording fragments of this conversation are spliced into a file preserve.
14. trunking dispatch server is sent to dispatching desk and is called out release signaling.
15. dispatching desk can find this message registration and replay in database.
Claims (3)
1. digital cluster system dispatching desk group calling selective recording method; The system of implementation method is made up of dispatching desk DC, trunking dispatch server TDS and a plurality of user terminal UE; The UDP socket server (1) of dispatching desk DC receives the transmission of wireless signals of trunking dispatch server TDS and carries out host-host protocol; The UDP socket client KS of dispatching desk DC transmits wireless signal and carries out host-host protocol to trunking dispatch server TDS, and all user terminal UE and trunking dispatch server TDS carry out radio communication; It is characterized in that said method comprises the steps: one. dispatching desk DC sends the group calling demand signalling to trunking dispatch server TDS; Two. trunking dispatch server TDS sends group calling to dispatching desk DC and replys signaling; Three. this calling talk zero hour under the data-base recording of dispatching desk DC; The sound-recording function of dispatching desk DC allows to use, and the dispatcher is allowed to begin at any time recording; Under the recording state, the dispatcher can stop recording at any time; Under the non-recording state before this calling talk finishes, the dispatcher can continue recording at any time; Four. trunking dispatch server TDS sends right of speech to dispatching desk DC and authorizes signaling; Five. dispatching desk DC sends speech data to trunking dispatch server TDS; Six, this group calling finishes, and dispatching desk DC sends to trunking dispatch server TDS and calls out release signaling; If dispatching desk DC records this moment, then recording stops automatically; If dispatching desk DC holds right of speech this moment, then stop to send speech data automatically; Seven. this end of conversation time of dispatching desk DC data-base recording, the ticketed call duration is preserved recording file and playback is provided; The dispatcher can repeatedly repeat to stop the operation of recording and continuing to record in the step 3, and the fragment of repeatedly recording is stitched together.
2. a kind of digital cluster system dispatching desk group calling selective recording method according to claim 1; It is characterized in that dispatching desk DC sends the right of speech release signaling to trunking dispatch server TDS after comprising the steps: also between step 5 and the step 6 that A1. dispatching desk DC sends the speech data end; A2. trunking dispatch server TDS sends right of speech to dispatching desk DC and removes signaling; A3, user terminal UE send speech data, and dispatching desk DC shows the current number that the user terminal UE of right of speech is arranged.
3. a kind of digital cluster system dispatching desk group calling selective recording method according to claim 2 is characterized in that also comprising the steps: B1 after the steps A 3, when dispatching desk DC wants to talk, sends right of speech application signaling; B2, trunking dispatch server TDS send right of speech and authorize signaling; B3, dispatching desk DC send speech data.
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| CN201010523421A CN101959143B (en) | 2010-10-28 | 2010-10-28 | Method for selectively recording during group calling of dispatching desk in digital trunking system |
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| CN201010523421A CN101959143B (en) | 2010-10-28 | 2010-10-28 | Method for selectively recording during group calling of dispatching desk in digital trunking system |
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| CN101959143B true CN101959143B (en) | 2012-10-10 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664780B (en) * | 2012-04-09 | 2015-04-08 | 南京信息工程大学 | Wireless interphone monitoring system based on mobile access protocol (MAP) 27 protocol |
| CN103366754A (en) * | 2013-06-21 | 2013-10-23 | 哈尔滨工业大学 | Multirate speech coding method of dispatching station of broadband multimedia trunking system |
| CN107734470A (en) * | 2016-08-12 | 2018-02-23 | 北京信威通信技术股份有限公司 | The media recording method and device of cluster communication |
| CN108540564A (en) * | 2018-04-16 | 2018-09-14 | 福建科立讯通信有限公司 | A kind of audio-frequency processing method in Digital Clustering scheduling system and system |
| CN112769751B (en) * | 2020-12-11 | 2022-04-19 | 武汉虹信科技发展有限责任公司 | Recording method and device |
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| CN1585524A (en) * | 2004-06-04 | 2005-02-23 | 中兴通讯股份有限公司 | Digital cluster system monitoring and recording method |
| CN101141707A (en) * | 2007-03-29 | 2008-03-12 | 中兴通讯股份有限公司 | Digital cluster system and cluster call establishment and release method |
| CN101227659A (en) * | 2008-02-15 | 2008-07-23 | 中兴通讯股份有限公司 | Method for implementing monitoring and recording for roaming user in numeral cluster communication system |
| CN101605146A (en) * | 2009-07-03 | 2009-12-16 | 中国人民武装警察部队天津市总队司令部 | Radio communication commanding and dispatching system |
| CN101860810A (en) * | 2010-06-30 | 2010-10-13 | 哈尔滨工业大学 | Realization method of speaking right signaling of broadband multimedia cluster system dispatching station based on TD-LTE (Time Division Long Term Evolution) |
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| AU2002222479B2 (en) * | 2000-12-12 | 2007-04-05 | Nice Systems Ltd. | A method and system for monitoring and recording voice from circuit-switched switches via a packet-switched network |
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Patent Citations (5)
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| CN1585524A (en) * | 2004-06-04 | 2005-02-23 | 中兴通讯股份有限公司 | Digital cluster system monitoring and recording method |
| CN101141707A (en) * | 2007-03-29 | 2008-03-12 | 中兴通讯股份有限公司 | Digital cluster system and cluster call establishment and release method |
| CN101227659A (en) * | 2008-02-15 | 2008-07-23 | 中兴通讯股份有限公司 | Method for implementing monitoring and recording for roaming user in numeral cluster communication system |
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