文件名称:SIPrealtimebilling
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Session Initiation Protocol (SIP) [1] is fast becoming the protocol of choice for IP based communication
– specifically telephony (Voice over Internet Protocol - VoIP), video, and instant
messaging.-Session Initiation Protocol (SIP) [1] is f ast becoming the protocol of choice for IP based communication-specifically telephony (Voic e over Internet Protocol-VoIP), video, and instant messaging.
– specifically telephony (Voice over Internet Protocol - VoIP), video, and instant
messaging.-Session Initiation Protocol (SIP) [1] is f ast becoming the protocol of choice for IP based communication-specifically telephony (Voic e over Internet Protocol-VoIP), video, and instant messaging.
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