專利授權


System for dialing from internet extension to conventional extension 


專利名稱 System for dialing from internet extension to conventional extension
專利國家
   專利證書號
美國 US 8,488,595 B2
專利權人 國立台北科技大學
發明人 黃紹華、張舜傑、陳冠霖、黃啟榮、沈立得、劉邦辰、王佑哲
應用領域
需求項目









技術摘要


A system for dialing from Internet extension to conventional extension is disclosed. A VoIP gateway or an IP auto attendant is used for dialing from Internet extension to conventional extension. The phone number of the Private Branch Exchange and the voice guidance are not needed. The calling number of SIP message is interpreted directly and converted into DTMF (Dual-tone multi-frequency) messages for dialing into a conventional extension.


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聯絡人:專利技轉組
電 話:(02)2771-2171
地 址:10608 台北市忠孝東路三段1號 行政大樓5樓
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