A Study of VoIP and GSM Interconnection Architecture
碩士 === 大同大學 === 資訊工程學系(所) === 101 === Even though the charge of phone call nowadays is cheaper than before, the cost of a length long distance or international call is still pretty high. With the introduction of Voice over Internet Protocol (VoIP) technology, it is possible to reduce these kind of c...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2013
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Online Access: | http://ndltd.ncl.edu.tw/handle/88072974328027871204 |