CN102572613A - Digital intercom system and method based on wireless internet - Google Patents
Digital intercom system and method based on wireless internet Download PDFInfo
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- CN102572613A CN102572613A CN2010106091078A CN201010609107A CN102572613A CN 102572613 A CN102572613 A CN 102572613A CN 2010106091078 A CN2010106091078 A CN 2010106091078A CN 201010609107 A CN201010609107 A CN 201010609107A CN 102572613 A CN102572613 A CN 102572613A
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Abstract
The invention is suitable for the technical field of interphones, and provides a digital intercom system and method based on a wireless internet. The digital intercom system comprises an IP-PBX device, an exchange device communicated with the IP-PBX (Internet Protocol- Private Branch Exchange) device, at least one wireless access device connected with the exchange device, and at least one interphone terminal connected with the wireless access device in a WIFI (Wireless Fidelity) mode. On the basis of no change of the traditional operation habit of an interphone user, the intercom function is realized by adopting the WIFI mode, thus reliability of the interphone system, voice quality of the interphone and confidentiality of intercom communication are improved, building complexity and building cost of the digital intercom system are reduced, development and popularization of the digital intercom system is facilitated, and stronger practicability is obtained.
Description
Technical field
The invention belongs to the intercom technical field, relate in particular to a kind of digital intercom system and method based on wireless Internet.
Background technology
Intercom has a wide range of applications in the whole world, and the conventional analogue intercom is because cheap, easy to use, and the main flow that remains market is selected, yet simulation intercom confidentiality is poor, and voice quality is relatively poor, causes the intercommunication poor effect.Digital handset is owing to have high reliability, and voice quality and high voice communication of maintaining secrecy are the products of the eager expectation in market clearly.Worldwide use at present the widest maximum digital cluster system of user to be the Terrestrial trunked radio TETRA standard in Europe and the integrated digital enhanced network iDEN standard of the U.S.; And based on the system equipment of above-mentioned standard and the complex design at terminal; Price is high; Only be applied to airport, subway etc. to the insensitive special industry of cost, cause digital intercom system to be difficult to realize large-scale application.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of digital intercom system and method based on wireless Internet; Be intended to solve because the complex design at existing digital intercom system equipment and terminal; Price is high, causes digital intercom system to be difficult to realize the problem of large-scale application.
The embodiment of the invention is achieved in that a kind of digital intercom system based on wireless Internet, and said system comprises:
IP-PBX equipment, the switching equipment of communicating by letter with IP-PBX, at least one radio reception device that is connected with switching equipment, and pass through at least one intercom terminal that the WIFI mode is connected with radio reception device.
Another purpose of the embodiment of the invention has been to provide a kind of the employing above-mentionedly to realize the method for intercommunication based on the digital intercom system of wireless Internet, and said method comprises the steps:
The voice messaging that the intercom terminal receives user's input carries out digital speech code to said voice messaging, and the voice messaging after will encoding through the WIFI mode sends to radio reception device;
Radio reception device receives the voice messaging that send through the WIFI mode at said intercom terminal, and said voice messaging is sent to switching equipment;
When switching equipment receives voice messaging, voice messaging is transmitted to IP-PBX equipment;
When IP-PBX equipment receives voice messaging, coexist other intercom terminal of one group, the intercom terminal that voice messaging was transmitted to and sent voice messaging.
The embodiment of the invention has proposed to comprise the digital intercom system based on wireless Internet at IP-PBX equipment, switching equipment, radio reception device and intercom terminal; On the basis of the operating habit that does not change traditional intercom user; Adopt the WIFI mode to realize intercommunication function; Improved the reliability of talkback system, the voice quality of intercom, and the confidentiality of intercom, the complexity and the construction cost that make up digital intercom system reduced; Help carrying out and promoting of digital intercom system, have stronger practicality.
Description of drawings
Fig. 1 is the structure chart based on the digital intercom system of wireless Internet that first embodiment of the invention provides;
Fig. 2 is the structure chart based on the digital intercom system of wireless Internet that second embodiment of the invention provides;
Fig. 3 is the realization flow figure based on the intercommunication method of the digital intercom system of wireless Internet that third embodiment of the invention provides.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.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.
The embodiment of the invention has proposed to comprise the digital intercom system based on wireless Internet at IP-PBX equipment, switching equipment, radio reception device and intercom terminal; On the basis of the operating habit that does not change traditional intercom user; Adopt the WIFI mode to realize intercommunication function; Improved the reliability of talkback system, the voice quality of intercom, and the confidentiality of intercom, the complexity and the construction cost that make up digital intercom system reduced; Help carrying out and promoting of digital intercom system, have stronger practicality.
The embodiment of the invention provides a kind of digital intercom system based on wireless Internet, and said system comprises:
IP-PBX equipment, the switching equipment of communicating by letter with IP-PBX, at least one radio reception device that is connected with switching equipment, and pass through at least one intercom terminal that the WIFI mode is connected with radio reception device.
The embodiment of the invention also provides a kind of the employing above-mentionedly to realize the method for intercommunication based on the digital intercom system of wireless Internet, and said method comprises the steps:
The voice messaging that the intercom terminal receives user's input carries out digital speech code to said voice messaging, and the voice messaging after will encoding through the WIFI mode sends to radio reception device;
Radio reception device receives the voice messaging that send through the WIFI mode at said intercom terminal, and said voice messaging is sent to switching equipment;
When switching equipment receives voice messaging, voice messaging is transmitted to IP-PBX equipment;
When IP-PBX equipment receives voice messaging, coexist other intercom terminal of one group, the intercom terminal that voice messaging was transmitted to and sent voice messaging.
The embodiment of the invention has proposed to comprise the digital intercom system based on wireless Internet at IP-PBX equipment, switching equipment, radio reception device and intercom terminal; On the basis of the operating habit that does not change traditional intercom user; Adopt the WIFI mode to realize intercommunication function; Improved the reliability of talkback system, the voice quality of intercom, and the confidentiality of intercom, the complexity and the construction cost that make up digital intercom system reduced; Help carrying out and promoting of digital intercom system, have stronger practicality.
Below in conjunction with specific embodiment concrete realization of the present invention is described in detail:
Embodiment one:
IP-based enterprise phone switching equipment IP-PBX utilizes gateway (Gateway) technology with voice data packet; The mechanism of application packet exchange; At the distributed enterprise exchange of speech platform of IP network transferring voice, accomplish all or part of function of conventional P BX voice service.For example: directly pull out inside, caller identification, calling switching, dialing restriction, interruption-free, Call Waiting, videoconference, abbreviated dialing, voice mail, Auto Attendant, voice interface etc.
In embodiments of the present invention, made up a kind of digital handset system through IP-PBX equipment, switching equipment, radio reception device and intercom terminal based on wireless Internet.
The structure based on the digital intercom system of wireless Internet that Fig. 1 shows that first embodiment of the invention provides for the ease of explanation, only shows the part relevant with the embodiment of the invention.
IP-PBX equipment 11; The switching equipment 12 of communicating by letter with IP-PBX; At least one radio reception device 13 that is connected with switching equipment 12, and through wireless compatibility authentication (wireless fidelity, WIFI) at least one intercom terminal 14 of being connected with radio reception device of mode.
The IP-based telephone system IP-PBX of the company equipment 11 that is connected with switching equipment; Be used for when receiving the call request information at intercom terminal; Intercom end message according to preserving is verified the intercom terminal; After checking was passed through, foundation was connected with the intercom terminal, the intercom terminal voice messaging that receives was transmitted to other intercom terminal of presetting in the group.
In embodiments of the present invention; IP-PBX equipment 11 is connected with switching equipment, the solicited message that switching equipment is transmitted is handled, in embodiments of the present invention; IP-PBX equipment 11 is used for the voice messaging at the intercom terminal in the local area network is transmitted; In implementation process particularly, when the intercom system of this locality need insert the Internet Internet, IP-PBX equipment also must be connected to Internet; Be connected the intercommunication between the intercom terminal of realization different regions with corresponding Internet network access equipment.
In embodiments of the present invention; Switching equipment 12 is responsible for the voice messaging that receives is transmitted; For example, the voice messaging that receives from IP-PBX equipment is forwarded to corresponding radio reception device, the voice messaging or the solicited message that perhaps will receive from radio reception device are forwarded to IP-PBX; In the practical implementation process, this switching equipment can be switch, router etc.
In embodiments of the present invention, radio reception device 13 is responsible for the voice messaging that receives is transmitted, and voice messaging is from switching equipment or intercom terminal.For example; In repeating process, the voice messaging or the solicited message that receive from the intercom terminal are forwarded to switching equipment, the voice messaging that perhaps will receive from switching equipment is transmitted to the intercom terminal; In the practical implementation process, this radio reception device can be a router etc.
Through the intercom terminal 14 that the WIFI mode is connected with radio reception device, be used to receive the voice messaging that radio reception device sends over, or send the voice messaging and the customer call solicited message of user's input.
In embodiments of the present invention; Through the intercom terminal voice messaging and the customer call solicited message of user's input are carried out digital speech code; Between the intercom terminal, realize intercommunication with digital signal; In concrete implementation process, can adopt G.728, G.729 and G.723.1 wait the digital speech code technology to the digital speech code of voice messaging.After digital speech code is accomplished at the intercom terminal; To encode afterwards through the WIFI mode, voice messaging sends to radio reception device; The WIFI mode can adopt the wireless communication standard of IEEE 802.11b or IEEE802.11g; Thereby satisfy the requirement of user, also improved the fail safe of communication simultaneously talkback system speed and transmission range.Wherein IEEE 802.11b adopts the 2.4GHz DSSS, and maximum data transfer rate is 11Mb/s, need not straightline propagation.The dynamic rate conversion can be reduced to 5.5Mb/s, 2Mb/s and 1Mb/s with message transmission rate when radio frequency situation variation.The scope of scope of application support be outdoor be 300 meters, length is 100 meters in working environment.IEEE 802.11b uses with similar connection protocol of Ethernet and packet and confirms, effective use of the reliable data transmission and the network bandwidth is provided.IEEE 802.11g is a kind of hybrid standard in fact; It can adapt to traditional I EEE 802.11b standard; Per second 11Mbit/s is provided under the 2.4GHz frequency data transmission rate, and also meeting IEEE 802.11a standard provides 56Mbit/s data transmission rate under the 5GHz frequency.
Implement in the row in the present invention, the address information at IP-PBX equipment 11, switching equipment 12, radio reception device 13 and intercom terminal 14 is represented with IP address, session initiation protocol sip address.The corresponding different address information of different equipment.The intercom terminal is before joining this intercom system; Should in IP-PBX equipment, register in advance; To make things convenient for IP-PBX that legitimate verification is carried out at the intercom terminal of inserting; And according to log-on message, for example IP address, session initiation protocol sip address, with the voice messaging that receives send to the intercom terminal of sending voice messaging at the intercom terminal on the same group mutually.As shown in Figure 2; If intercom terminal 24, intercom terminal 25 and intercom terminal 27 coexist one group the time; When IP-PBX equipment 21 receives the voice messaging that intercom terminal 27 sends over through the WIFI mode through radio reception device 26, switching equipment 22; IP-PBX equipment 21 is transmitted to this voice messaging and intercom terminal 27 coexist one group intercom terminal 24 and intercom terminal 25, thereby accomplishes intercommunication function.
Embodiment two:
In embodiments of the present invention; A kind of method that realizes intercommunication based on the digital intercom system of wireless Internet has been proposed; The flow process that Fig. 3 shows that second embodiment of the invention provides based on the intercommunication method of the digital intercom system of wireless Internet; For the ease of explanation, only show the part relevant with the embodiment of the invention, details are as follows:
In step S301, the voice messaging that the intercom terminal receives user's input carries out digital speech code to voice messaging, and the voice messaging after will encoding through the WIFI mode sends to radio reception device.
In embodiments of the present invention; Through the intercom terminal voice messaging and the customer call solicited message of user's input are carried out digital speech code; Between the intercom terminal, realize intercommunication with digital signal; In concrete implementation process, can adopt G.728, G.729 and G.723.1 wait the digital speech code technology to the digital speech code of voice messaging.After digital speech code was accomplished at the intercom terminal, will encoding afterwards through the WIFI mode, voice messaging sent to radio reception device.In embodiments of the present invention, the intercom terminal adopts the full duplex of WIFI mode to be connected with radio reception device, and the intercom terminal also can receive the voice messaging that send at other intercom terminal when sending voice messaging.
In step S302, radio reception device receives the voice messaging that send at the intercom terminal through the WIFI mode, and voice messaging is sent to switching equipment.
In embodiments of the present invention, promptly set up and being connected of IP-PBX equipment behind all intercom starting up of terminal, in the process that connects through radio reception device; IP-PBX equipment is verified through the identification marking (for example IP address information, sip address information etc.) to the intercom terminal; After checking was passed through, the intercom terminal got into talking state, user's speech at arbitrary intercom terminal; The user at other intercom terminals can receive; When the intercom terminal use need make a speech, then to send speaking request information and give IP-PBX equipment through the intercom terminal, floor status is gone at the intercom terminal.
In step S303, when switching equipment receives voice messaging, voice are transmitted to IP-PBX equipment.
In step S304, when IP-PBX equipment receives voice messaging, coexist other intercom terminal of one group, the intercom terminal that voice messaging was transmitted to and sent voice messaging.
In embodiments of the present invention; When IP-PBX equipment receives voice messaging; Coexist other intercom terminal address information of one group of the intercom terminal that IP-PBX equipment obtained and sent voice messaging; This address information and voice messaging are sent to switching equipment, and switching equipment sends to corresponding radio reception device according to address information with voice messaging, and radio reception device is transmitted to corresponding intercom terminal through the WIFI mode with the voice messaging that receives again.
In embodiments of the present invention, the intercom terminal that receives voice messaging also needs voice messaging is decoded, thereby restores original speech information.
The embodiment of the invention has proposed to comprise the digital intercom system based on wireless Internet at IP-PBX equipment, switching equipment, radio reception device and intercom terminal; After through the corresponding digital speech coding technology voice of intercom terminal use input being encoded; Carry out the transmission of voice messaging through IEEE 802.11b or IEEE 802.11g communication standard; Improved the reliability of talkback system, the voice quality of intercom, and the confidentiality of intercom, the complexity and the construction cost that make up digital intercom system reduced; Help carrying out and promoting of digital intercom system, have stronger practicality.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. digital intercom system based on wireless Internet is characterized in that said system comprises:
IP-PBX equipment, the switching equipment of communicating by letter with IP-PBX, at least one radio reception device that is connected with switching equipment, and pass through at least one intercom terminal that the WIFI mode is connected with radio reception device.
2. the system of claim 1 is characterized in that, said WIFI mode adopts the communication standard of IEEE 802.11b or IEEE 802.11g.
3. the system of claim 1 is characterized in that, said intercom terminal communicates through session initiation protocol SIP and IP-PBX equipment.
4. the system of claim 1 is characterized in that, said switching equipment is switch or router, and said radio reception device is a wireless router.
5. one kind is adopted that power 1 is described to be realized the method for intercommunication it is characterized in that said method comprises the steps: based on the digital intercom system of wireless Internet
The voice messaging that the intercom terminal receives user's input carries out digital speech code to said voice messaging, and the voice messaging after will encoding through the WIFI mode sends to radio reception device;
Radio reception device receives the voice messaging that send through the WIFI mode at said intercom terminal, and said voice messaging is sent to switching equipment;
When switching equipment receives voice messaging, voice messaging is transmitted to IP-PBX equipment;
When IP-PBX equipment receives voice messaging, coexist other intercom terminal of one group, the intercom terminal that voice messaging was transmitted to and sent voice messaging.
6. method as claimed in claim 5 is characterized in that said WIFI mode adopts the communication standard of IEEE 802.11b or IEEE 802.11g.
7. method as claimed in claim 5 is characterized in that, and is said when IP-PBX equipment receives voice messaging, and coexist one group the step at other intercom terminal of the intercom terminal that voice messaging was transmitted to and sent voice messaging specifically comprises the steps:
Coexist other intercom terminal address information of one group of the intercom terminal that IP-PBX equipment obtained and sent voice messaging;
Said address information and voice messaging are sent to switching equipment, and said switching equipment sends to corresponding radio reception device according to said address information with voice messaging;
Said radio reception device is transmitted to corresponding intercom terminal with the voice messaging that receives through the WIFI mode.
8. system as claimed in claim 5 is characterized in that, said intercom terminal communicates through session initiation protocol SIP and IP-PBX equipment.
9. system as claimed in claim 5 is characterized in that, said switching equipment is switch or router, and said radio reception device is a wireless router.
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| CN2010106091078A CN102572613A (en) | 2010-12-28 | 2010-12-28 | Digital intercom system and method based on wireless internet |
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| CN2010106091078A CN102572613A (en) | 2010-12-28 | 2010-12-28 | Digital intercom system and method based on wireless internet |
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| CN104410932A (en) * | 2014-12-10 | 2015-03-11 | 北京鑫瑞明通讯电子有限公司 | Wireless intercom system and intercom based on VoWLAN (Voice Wireless Local Area Network) |
| CN104581442A (en) * | 2013-10-17 | 2015-04-29 | 中兴通讯股份有限公司 | Method and device for realizing WIFI talkback of terminals |
| CN108780603A (en) * | 2017-11-30 | 2018-11-09 | 深圳市大疆创新科技有限公司 | A kind of UAV system and its communication means, remote control |
| CN111031412A (en) * | 2019-12-31 | 2020-04-17 | 河南普天极光信息技术有限公司 | Internet of things voice system based on WIFI environment |
| CN112822568A (en) * | 2020-12-30 | 2021-05-18 | 广东鉴面智能科技有限公司 | Network IP interphone and system |
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| CN112822568A (en) * | 2020-12-30 | 2021-05-18 | 广东鉴面智能科技有限公司 | Network IP interphone and system |
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Application publication date: 20120711 |