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Название: SIP: Understanding the Session Initiation Protocol
Автор: Johnston A.
SIP: Understanding the Session Initiation Protocol is a pick for any communications engineering library at the college level. It appears in its third edition and provides details on call signaling and IP telephony, and has been expanded with numerous new chapters covering peer-to-peer SIP, ABNF and XML, and other details key to telecommunications network development and SIP uses in Internet architecture.