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  1. 1

    The 3CX IP PBX tutorial develop a fully functional, low cost, professional PBX phone system using 3CX / di Landis, Matthew M.

    Pubblicazione 2010
    Soggetti: “...Telephone Private branch exchanges....”
    An electronic book accessible through the World Wide Web; click to view
    Elettronico eBook
  2. 2

    FreePBX 2.5 powerful telephony solutions configure, deploy, and maintain an enterprise-class VoIP PBX / di Robar, Alex

    Pubblicazione 2009
    Soggetti: “...Telephone Private branch exchanges Data processing....”
    An electronic book accessible through the World Wide Web; click to view
    Elettronico eBook