Search results for ‘Alan B. Johnston’

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      Cover image for Understanding Voice Over IP Security
      Hardback
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      Understanding Voice Over IP Security

      Alan B. Johnston

      Teaches practitioners how to design a highly secure VoIP (voice over IP) network, explains Internet security basics, such as attack types and methods, and details all the key security aspects…

      $412.99

      Available to order, ships in approx 2 weeksAvailable to order

      Cover image for Internet Communications Using SIP: Delivering VoIP and Multimedia Services with Session Initiation Protocol
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      Internet Communications Using SIP: Delivering VoIP and Multimedia Services with Session Initiation Protocol

      Henry Sinnreich,Alan B. Johnston

      Helps you work with SIP in Presence and event-based communications. This book helps you: handle SIP-based application-level mobility issues; develop applications to facilitate communications access for users with disabilities; set…

      $265.99

      Available to order, ships in approx 4 weeksAvailable to order

      Cover image for WebRTC: APIs and RTCWEB Protocols of the HTML5 Real-Time Web, Third Edition
      Paperback
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      WebRTC: APIs and RTCWEB Protocols of the HTML5 Real-Time Web, Third Edition

      Daniel C Burnett,Alan B Johnston

      WebRTC, Web Real-Time Communications, is revolutionizing the way web users communicate, both in the consumer and enterprise worlds. WebRTC adds standard APIs (Application Programming Interfaces) and built-in real-time audio and…

      $52.99

      Available to order, ships in approx 2 weeksAvailable to order