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IP PBX based on P2P technology

A P2P network and technology technology, applied in the field of IP user exchange, can solve the problems of incompatibility of telephone system, information loss, change of data packet order, etc., and achieve the effect of convenient inbound and outbound calls, excellent call quality, and prevention of harassing calls

Inactive Publication Date: 2008-01-23
沈阳 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) Oriented to data applications, not suitable for transmission of streaming media such as voice
[0005] (2) Adaptive route selection, the order in which data packets arrive may change
[0006] (3) No fixed circuit connection
[0007] (4) Data transmission is based on best effort, if a problem occurs, it may lead to information loss
[0023] (1) Simultaneous use by multiple users on the same node is not supported
[0024] (2) Can not be separated from the computer when using
[0025] (3) It is not compatible with the existing telephone system, conflicts with the user's usage habits, and cannot protect the existing investment

Method used

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  • IP PBX based on P2P technology
  • IP PBX based on P2P technology
  • IP PBX based on P2P technology

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Embodiment Construction

[0050]FIG. 1 is a system diagram of an IP PBX based on P2P technology in the present invention, which includes a PCM system 1 , a PBX system 2 and a P2P network interface 3 . The PCM system 1 includes a telephone user interface unit 11 and a PCM conversion unit 12 , wherein the PCM conversion unit 12 includes an analog-to-digital conversion unit 121 , a digital-to-analog conversion unit 122 and a codec unit 123 . The PBX system 2 includes an exchange unit 21 , a data compression unit 22 and a configuration unit 23 . The user's traditional telephone system is connected with the IP PBX system through the FXS port of the telephone user interface unit 11 of the PCM system 1, and the FXS port of the telephone user interface unit 11 provides dial tone, ringing, caller display and power feeding for the traditional telephone system, so that The traditional telephone system can be connected to the IP PBX system without modification. The two-way conversion of the voice of the tradition...

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Abstract

The present invention relates to a P2P-based IP PBX. The key of the present invention lies in that the call quality is improved by applying the P2P technology, a plurality of concurrent VoIP calls can be supported at a single node, and can be seamlessly docked with the existing telephone.

Description

technical field [0001] The present invention relates to peer-to-peer network technology (P2P: Peer to Peer) and computer telephony integrated technology (CTI: Computer and Telephony Integration), relate in particular to a kind of IP (Internet Protocol) user exchange (PBX: Private Branch eXchange) based on P2P technology . Background technique [0002] VoIP (Voice over Internet Protocol) refers to the transmission of voice signals in the form of data packets in an IP network environment after compressing and packetizing analog voice signals. The basic principle of VoIP is: compress the voice data encoding through the voice compression algorithm, then package the voice data according to the IP standard, send the data packets to the receiving place through the IP network, and then reassemble the voice data packets. After decompression processing, it is restored to the original voice signal, so as to achieve the purpose of transmitting voice through the Internet. [0003] Give...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/46H04L29/08H04M7/00
Inventor 沈阳彭亮
Owner 沈阳
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