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 ...
SIP session requests leverage the “session description protocol (SDP)” to define session characteristics such as media type, codec, and so on. While the IETF and SIPforum have standardized many of the ...