Session Initiation Protocol (SIP) is a signaling protocol used for initiating, maintaining, modifying and terminating real-time communications sessions between Internet Protocol (IP) devices. SIP ...
An early SIP pioneer, Johnston says the protocol still offers promise of multi-vendor interoperability as well as vendor innovation. Alan Johnston is one of the SIP pioneers. He's an author of IETF ...
Session Initiation Protocol (SIP), with its promise of serving as a single global signaling standard, has mushroomed in importance for networking in the past year. But it may be years from adoption ...
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