Searched for: "install and upgrade cisco unified callmanager"

About 1 results for "install and upgrade cisco unified callmanager"

  • Understanding IP private branch exchange (PBX)

    Deb Shinder - September 29, 2006, 12:00 AM PST

    Understanding IP private branch exchange (PBX)

    Private branch exchanges (PBXs) handle call switching and routing within an organization, and IP PBX systems are the next generation of Internet-based PBX communications. Deb Shinder gives an overview...