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    Centrex or PBX the impact of IP / Abrahams, John R.

    I whakaputaina 2003
    An electronic book accessible through the World Wide Web; click to view
    Tāhiko īPukapuka
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    Signaling and switching for packet telephony Stafford, Matthew

    I whakaputaina 2004
    An electronic book accessible through the World Wide Web; click to view
    Tāhiko īPukapuka
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    Voice over 802.11 Ohrtman, Frank

    I whakaputaina 2004
    An electronic book accessible through the World Wide Web; click to view
    Tāhiko īPukapuka
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    Cut the cord! the consumer's guide to VoIP / Ledford, Jerry L.

    I whakaputaina 2006
    An electronic book accessible through the World Wide Web; click to view
    Tāhiko īPukapuka
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    Practical VoIP Security Porter, Thomas

    I whakaputaina 2006
    An electronic book accessible through the World Wide Web; click to view
    Tāhiko īPukapuka
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    Understanding Voice over IP security Johnston, Alan B.

    I whakaputaina 2006
    An electronic book accessible through the World Wide Web; click to view
    Tāhiko īPukapuka
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    Voice over WLANs the complete guide / Finneran, Michael F.

    I whakaputaina 2008
    An electronic book accessible through the World Wide Web; click to view
    Tāhiko īPukapuka
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