Product specifications: Avaya G450 multimedia gateway is a multifunctional multimedia gateway that can be implemented in medium and large branches. Works together with the Avaya Communication Manager IP telephony software running on the Avaya S87XX servers to help provide smart communications to companies of all sizes. Provides 8 multimedia slots Equipped with a single DSP card that supports 80 VoIP channels (MP80) It can add up to 3 additional DSP cards for up to 240 VoIP channels Includes a single power supply; M71M can support an additional redundant power supply It can support up to 450 users if distributed as a branch gateway in a medium and large office It can serve up to 2400 users if distributed as a campus gateway It has a VoIP engine, an optional WAN router, and Ethernet LAN connectivity Provides complete support for IP and digital Avaya phones, as well as for analog devices such as modem, fax and phones.