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General Mailbox - 4 (one for each Automated Attendant) (9991
unmanaged switch
This plug in module provides VPN channels to a router
Two T1 Channel Ports
The SPA509G is compatible with and designed to work on the Cisco UC500 phone system
ESI IVC 24R Intelligent VoIP Card (5000-0454) Monitors General Mailbox - 4 (oneESI IVC 24R Intelligent VoIP Card (5000 0454) Description: The ESI IVC 24R is a 24 port intelligent VoIP card for ESI communications servers. The ESI IVC 24R provides support for up to 24 IP phones in either local or remote configuration. The IVC 24R has a digital signal processor (DSP) for managing traffic flow through the ports on the card. The ESI intelligent VoIP card converts the IP packets in the phones into PCM for transmission through the
