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New SIP-based voice gateway system design and implementation

Author: LiChen
Tutor: LiuBo
School: Huazhong University of Science and Technology
Course: Communication and Information System
Keywords: VoIP Voice Gateway SIP Trunk Business whole network IP
CLC: TN916.2
Type: Master's thesis
Year: 2011
Downloads: 19
Quote: 0
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Abstract


VoIP allows rapid development of increasingly sophisticated technology voice gateways , and SIP-based Gateway has become the industry mainstream choice . But with the expansion of business scale , deploying traditional PSTN networks are becoming ever larger , the enterprise IP-based communication networks and the importance of the need for increasingly obvious , because while the cost of maintaining two communication networks is difficult for enterprises has risen to oblivion . A large number of SIP- based IP-PBX can be deployed in fact , we designed and implemented a new SIP voice gateway to promote business in order to achieve the purpose of the whole network of IP . This paper briefly describes the SIP communication protocol , and introduces SIP-based voice gateway development status , on this basis , proposed and designed to achieve a SIP Trunk is a new voice gateway. SIP Trunk provides a virtual similar to traditional PSTN trunks SIP trunk to make the enterprise IP-PBX and external INTERNET phone operator directly via IP interconnection between . In this network architecture, enterprise all external calls are routed through the SIP trunk to the ITSP to complete. Enterprise only needs to deploy SIP soft phone , and easy maintenance , and low cost. In order to verify the availability of SIP Trunk , paper design , including functional testing, performance testing , and stability testing specifications , including a more comprehensive test plan and conduct a careful , meticulous testing ; same results as an enterprise product related topics conducted field tested with good results. Fully proved SIP Trunk SIP voice not only functionally compatible with the original , but also can save the cost of enterprise management , to promote enterprise whole network IP of the building.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Phone > Telephone lines, telephone network
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