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以SIP為基礎之多定點網路電話系統 = SIP Based VoIP S...

國立高雄大學電機工程學系碩士班

以SIP為基礎之多定點網路電話系統 = SIP Based VoIP System for MultiLocation Application

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	SIP Based VoIP System for MultiLocation Application
作者:	蔡宗榮,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	民99[2010]
面頁冊數:	55面圖，表 : 30公分;
標題:	分散式架構
標題:	Call routing
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/96288941942247017741
摘要註:	在NCC(National Communication Commission)與國內電信業者的推動之下，讓中小企業與一般家庭也能夠享受到網路電話所帶來的好處。由於許多企業為降低生產成本與顧慮到專業分工等問題，在台灣多數企業皆採取生產部門設置於中國大陸，而總公司與客戶服務部門設立於台灣。因此以多定點的方式建置網路電話系統，通常為國內企業使用的主要模式之一。然而在中小企業的應用模式中，IPPBX的數量是相當大的，因此如何使得數量如此大的IPPBX一起運作與通訊，是一般企業在應用IPPBX時一項重要的議題，雖然有IAX2與SIP Proxy等方法可以管理與連接大量的IPPBX，但是這些方法都有其缺陷，例如設定上的手續繁雜、通訊可靠度低、擴充性不佳、後續維護困難等缺點。根據上述的缺點，本文提出的多定點的網路電話系統，採取完全分散式的架構，並且搭配通話路由查詢的功能，可以隨時調用群組內IPPBX的路由資源，在有需求時才發出請求，不僅僅可以節省網路資源亦可達到跨越IPPBX通訊的需求。 Owing to NCC (National Communication Commission) with under the ITSPs (Internet Telephony Service Providers) gave fresh impetus to the VoIP. Nowadays more and more people and enterprises have the benefit of VoIP. Many business companies are established in different locations. These companies require the reduction of costs and labor in order to run branch offices in lots of areas. Therefore the first scenario of enterprise’s applications is VoIP system for Multi-Location application.However there are some issues in the scenarios of enterprise’s applications. Causing the numerous of users, the number of IPPBX is very large. In this numerous IPPBX, how to let them work together and how to setup and management are a very impartment issues. Although there are some solutions to solve these issues, but there will be induced some defects. Such as the complex setup way, the insufficient for system reliability and scalability and maintains. According to these issues, we propose a VoIP system for Multi-Location application in this paper. We use it to solve the problems of scalability and reliability by modify the system architecture to fully distributed. We also are using the call routing discovery functions to accomplish the communication across IPPBX.

以SIP為基礎之多定點網路電話系統 = SIP Based VoIP System for MultiLocation Application
蔡, 宗榮

以SIP為基礎之多定點網路電話系統 = SIP Based VoIP System for MultiLocation Application / 蔡宗榮撰 - [高雄市] : 撰者, 民99[2010]. - 55面 ; 圖，表 ; 30公分.
參考書目：面.
分散式架構Call routing

以SIP為基礎之多定點網路電話系統 = SIP Based VoIP System for MultiLocation Application
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