Inter-Tel 550.3071 Axxess Module Expansion with Cable Multiplexers The AT510 is compatible with

The AT510 is compatible with Altigen phone systems

35 rates can range from 112K to 1472K

Voice via RTP Packets -Echo cancellation per G

The 5022-SDM boasts a large

Inter-Tel 550.3071 Axxess Module Expansion with Cable Multiplexers The AT510 is compatible withInter Tel 550. 3071 Axxess Module Expansion with Cable Description: The Inter Tel 550. 3071 is an expansion module designed for the Inter Tel 550. 8000 series of digital telephones. The Inter Tel 550. 3071 allows for Axxess 8400 DSS modules to be installed onto the digital phones. Compatibility: Inter Tel 550. 8520 Digital Phone Inter Tel 550. 8560 Digital Phone Inter Tel 550. 8660 IP Phone