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SIP: Understanding the Session Initiation Protocol, Fourth edition: Johnston, Alan B.: 9781608078639: Amazon.com: Books
SIP: Understanding the Session Initiation Protocol, Fourth edition: Johnston, Alan B.: 9781608078639: Amazon.com: Books
Internet Communications Using SIP: Delivering VoIP and Multimedia Services with Session Initiation Protocol: Sinnreich, Henry, Johnston, Alan B.: 9780471776574: Amazon.com: Books
SIP: Understanding the Session Initiation Protocol, Fourth edition: Johnston, Alan B.: 9781608078639: Amazon.com: Books
Lazmin112 Gateway VoIP, Adattatore telefonico Internet Gateway VoIP a 2 Porte con Cavo di Rete, Supporto protocollo Sip V2, per PAP2T(Spina UE) : Amazon.it: Elettronica
SIP: Understanding the Session Initiation Protocol, Fourth edition: Johnston, Alan B.: 9781608078639: Amazon.com: Books