Búsqueda de LIBROS DEL AUTOR: WALLINGFORD, TED

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  • SWITCHING TO VOIP
    WALLINGFORD, TED
    More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their internal local and widearea network infrastructure to replace legacy enterprise telephone networks. This migration to a single network carrying voice and data is called convergence, and it`s revolutionizing the world of tele...
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    42,98 €