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Adtran Atlas 550 8-Channel Voice Compression Module 1200312L1


Compare at: $165.99

(You save $40.99)

SKU: 1200312L1
Condition: Refurbished

A-Stock: Great cosmetic condition.

B-Stock: May contain cosmetic blemishes such as surface scratches, worn or yellowed buttons, etc...

These phones have been tested and are fully functional. All phones are refurbished and come individually boxed with new curly cords, new designations, and a one year warranty!


The Adtran 1200312L1 is a 8-channel card that compresses 8 G.711 calls into 48 G.723.1 phone calls. The Adtran 1200312L1 can compress up to 8 DS0 circuits into G.723.1 calls at 6:1 compression ratio. The card can be use with Adtran Atlas 550 IADs.

Adtran 1200312L1 Features:

  • G.723.1 compression protocol
  • 6:1 compression ratio (six voice calls on a single 64K DS0)
  • Module plugs onto any user module or the Resource Host module


  • (1) Adtran 1200312L1 Atlas 550 8 Port Voice Compression Module
  • 1 Year Warranty
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