17 November 2005 16:45
Session Initiation Protocol
就 VoIP 網路而言, SIP是一個非常有彈性而且功能強大的通訊協定, SIP 能夠更有力的支援許多智慧型的電話網路服務及各種使用者平台,並且能夠快速而有效的發展許多先進的功能。
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