簡易型VoIP通訊系統之建構與應用 —跨國企業通訊解決方案

The Construction and Application of Basic VoIP Communication System – New Communication System Solution for Transnational Companies

陳菀杏(Wan-Hsin Chen)

指導教授 ： 游張松

國立臺灣大學/管理學院/商學研究所/碩士(2004年)

https://doi.org/10.6342/NTU.2004.10353

摘要

傳統的PSTN電信系統已經被人們使用多年，且一直在語音傳輸上扮演著重要的角色。在環境迅速變遷的今日，企業對於即時溝通以及資訊掌握的需求比過去更高。尤其對於在全球各地從事生產及商業活動的跨國企業而言，如何發展一套有效的內部溝通系統，以取得與分公司間的聯繫，並整合公司資源，將是一個重要的議題。而使用傳統PSTN通訊系統的最大缺失即為傳統通訊系統將會造成高額的長途國際通話費用。因此，許多企業經理人都希望能透過資訊科技的運用，來解決當前所面臨龐大通話成本的問題。
為了幫助跨國企業有效降地通訊成本以及維持市場上的競爭力，本研究以VoIP技術為基礎而發展一套企業新通訊系統。VoIP（voice over IP）為將語音以封包型式在IP網路上即時傳送的一種技術。VoIP和傳統電信系統最大不同之處在於語音訊息交換的方式。VoIP是透過封包交換的方式在IP網路上傳送語音；而傳統電信系統則以電路交換的方式來傳送語音。
本研究的主題為發展一套跨國企業新通訊系統的解決方案，教導企業如何以Gateway Approach來自行建置VoIP通訊系統，並作為建置VoIP通訊系統的藍圖。本研究所提出的新通訊解決方案主要包含VoIP通訊系統架構說明以及系統性撥接計劃兩大部分。跨國企業新VoIP通訊系統不但建置簡單且易於管理，同時，企業經理人將可以最小的投資來升級企業內部的通訊系統。此新通訊系統的建置讓組織成員可以免費地與位於其他國家的分公司成員進行聯繫。
新VoIP通訊系統不僅能幫助企業有效降低鉅額的通訊成本，同時，也有助於企業維持競爭優勢。然而，企業導入VoIP通訊系統的好處不只是通訊成本的降低，而是VoIP能突破傳統的溝通模式並創造更多元的應用，如電子傳真、多媒體整合應用及訊息整合系統等等。新的應用讓企業的營運更加快速，也更有效率。

關鍵字

網路電話 ； 跨國企業 ； 通訊系統

並列摘要

The PSTN traditional telecommunications system has been used for many years and plays an important role in the transmission of voice. Today, the environment is changing at an accelerating rate, so the need for real time communication and information is greater than at any time in the past. Especially to transnational companies which own and operate manufacturing or service businesses in more than one country, the critical issue is to develop an effective internal communications system to communicate with branches worldwide and integrate the dispersed resources. Unfortunately, the use of the traditional telephone system will lead to the high cost of long-distance communication. Hence, managers try to use technologies to change this situation.
In order to lower the communication cost effectively and help transnational companies to stay competitive, we develop a new communications system by using the VoIP technology. Voice over IP ( VoIP ) is a technology that was introduced in the last decade to allow real time voice communications on packet networks that utilize the Internet Protocol (IP). It is different from the traditional telephone system in transmitting voice over the IP network rather than over a traditional circuit switched network.
The focus of this paper is to derive a new enterprise telecommunications system solution for how to build the VoIP telecommunications system by the gateway approach. The new system proposed in this document mainly consists of new VoIP system structure and a systematic dial plan. The new VoIP enterprise communications system for transnational companies is not only easy to build on our own but also easy to manage. Managers will be able to upgrade their own communications system with the least investment. Through this new VoIP enterprise communications system, employees who wish to communicate with other people in the overseas branch office, no longer have to pay international toll fees that increase along with the minutes used.
The use of the new VoIP enterprise communications system results in substantial cost saving and competitive priority. However, a move to the new VoIP communications system portends more than just making cheap long distance calls. In addition, the basic VoIP architecture allows for applications that are not available from today's PSTN voice switching equipment. New applications include Internet fax, multimedia collaboration, UMS and so on. The new applications could all make operational processes more quickly and effectively.

並列關鍵字

transnational companies ； communications system

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