無線區域網路之軟式電話系統的研究與設計

Abstract

本論文於IEEE 802.11 無線區域網路環境中，以目前看來應在未來異質網路間成為共同連線訊號標準的SIP 協定為基礎，進行視訊軟式電話系統的研究與開發。其研究結果顯示，本論文所研發的系統在多流量競爭情況下，仍可維持一定程度的語音通話和視訊傳輸之服務品質，且亦整合了文字訊息的交談服務。另外，本研究也與其它以SIP 為基礎的軟式電話系統進行互通性測試，結果無論是發話或受話的測試皆能成功地建立語音的連線通話。

This paper provides a research and development of the video soft phone system based on IEEE 802.11 WLANs. Moreover, it applies the potential networks signaling standard called SIP. The paper also shows that as competing with other traffic flows, the integrated voice, video, and message data transmission could still afford acceptable QoS. Additionally, the proposed system could successfully interoperate with the other SIP soft phones passing through the calling and callee test.