Internet Communications Using SIP : Delivering VoIP and Multimedi

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Internet Communications Using SIP: Delivering VO... by Alan B. Johnston Hardback

Internet Communications Using SIP: ..., Johnston, Alan

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Internet Communications Using SIP: Delivering V... by Johnston, Alan B. Hardback

The Yorktown Campaign & The Surrender of Cornwallis 1781 Henry P Johnston 1981

SIP: Understanding the Session Initia- 9781580536554, Alan B Johnston, hardcover