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3071 is an expansion module designed for the Inter-Tel 550
The Key-based Expansion Module provides an additional 22 keys for any combination of lines and features
The 1200307L2 plugs into the network interface module slot
8 Channels
Adtran Total Access 912 Gateway 4210912L1 Gateways 3071 is an expansion moduleAdtran Total Access 912 4210912L1 Description: The Adtran Total Access 912 is an IP business gateway built to be a communications platform. The Total Access 912 provides a T1 connection, an IP router, a SIP gateway, firewall, VPN, and traditional FXS ports as well. The Total Access 912 is a complete solution to help migrate companies from existing analog and digital interfaces to a newer IP based system. The Total Access 912 has support for 12 analog
