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A communication system supporting voip and pstn network integration

A communication system and network integration technology, applied in the field of communication systems supporting the integration of VOIP and PSTN networks, can solve problems such as integration testing and verification difficulties, and achieve the effects of cost reduction, independence, and easy promotion.

Active Publication Date: 2016-01-20
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional PSTN is a closed architecture, but the IP network is an open architecture. One of the biggest issues of VOIP today is how to achieve the interoperability and compatibility of VOIP products or constructions of various manufacturers under the open architecture, and at the same time cause various Difficulty in integration testing and verification of products

Method used

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  • A communication system supporting voip and pstn network integration
  • A communication system supporting voip and pstn network integration
  • A communication system supporting voip and pstn network integration

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Embodiment Construction

[0048] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0049] In the communication system supporting VOIP and PSTN network fusion described in the present invention, the OLT and the ONU are accessed through the VOIP protocol, the sub-card (sub-line card) of the OLT converts the VOIP protocol into the V5 protocol, and the OLT is connected to the V5 protocol through the V5 protocol. local digital exchange;

[0050] The OLT terminates the IP voice sent by the ONU at the E1 interface, then converts it into an analog signal and sends it to the destination; reversely packages the analog signal of the E1 interface into an IP voice, and sends it to the ONU. In this way, the VOIP and PSTN network interworking is realized. Such as figure 1 In the usage scenario and test networking environment shown, the AN5516OLT (the specific model is AN5516-O6B) is used. The AN5516OLT supports the V5 uplink voice function through a sub-...

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Abstract

The invention relates to a communication system for supporting VOIP (voice over internet protocol) and PSTN (public switched telephone network) integration. An OLT (optical line terminal) and an ONU (optical network unit) are accessed through a VOIP, the VOIP is converted into a V5 protocol by a daughter card of the OLT, the OLT is connected into a local digital exchange through the V5 protocol, IP (internet protocol) voice transmitted by the ONU is ended at an E1 interface by the OLT, converted into an analog signal and transmitted to a destination, and the analog signal of the E1 interface is reversely packed into the IP voice and is transmitted to the ONU, so that the VOIP and a PSTN are mutually communicated by the mode. The communication system is simultaneously compatible with the PSTN and an IP network, the PSTN cannot be affected, the cost of an internal telephone is reduced, the overall performance of the system can be improved by expanding the number of single discs, the single discs and other functions of the OLT are independent, the single discs are connected with the OLT through a GE (Gigabit Ethernet), independence of the single discs is ensured, and the communication system is easily popularized on other devices.

Description

technical field [0001] The invention relates to the fusion technology of VOIP and PSTN networks, specifically a communication system supporting the fusion of VOIP and PSTN networks. In particular, it refers to a communication system and method in which NGN voice and V5 voice are combined into one. Background technique [0002] The terms used in the present invention are explained as follows: [0003] V5.2 technical specification - technical specification for communication between local digital exchange and access network [0004] SIP-SessionInitiationProtocol session initiation protocol [0005] MGCP-MediaGatewayControlProtocol media gateway control protocol [0006] PCM-PulseCodeModulation Pulse Code Modulation [0007] H.248 / Megaco-Media Gateway Control Protocol [0008] DSP-DigitalSignalProcess digital signal processing [0009] PowerPC - family of CPUs produced by Motorola primarily for embedded systems [0010] VOIP-VoiceoverIP, voice service based on IP network ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/64
Inventor 王建军何莉英郭洁吴莉
Owner FENGHUO COMM SCI & TECH CO LTD
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