Adtran Atlas 800 Series 16-Channel Voice Compression Module 1200221L2 Phones The 1204288L2 does not include

The 1204288L2 does not include a back-up dial modem

Mitel Teleworker Solution

1x Adtran MX2800 48V DC Power Supply Module P/N 1202289L2

The 1202288L1 is a redundant controller card that can fit in either slot 1 or 2 of the multiplexer

Adtran Atlas 800 Series 16-Channel Voice Compression Module 1200221L2 Phones The 1204288L2 does not includeAtlas 800 Series 16 Channel Voice Compression Module 1200221L2 Description: The Adtran 1200221L2 is a 16 channel voice compression module for Atlas 800 series gateways. The 1200221L2 supports G. 723. 1 compression on sixteen B channels from a T1 or PRI circuit. With 6: 1 compression ratio compared to traditional G. 711 conversations, the 1200221L2 can support up to an extra 80 calls across the 16 channels (96 total). The Adtran 1200221L2 supports fax