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Adtran Atlas 550 24-Channel Voice Compression Module 1200312L3


Compare at: $759.99

(You save $410.00)

SKU: 1200312L3
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 1200312L3 is a 24-channel card that compresses 16 G.711 calls into 144 G.723.1 phone calls. The Adtran 1200312L3 can compress up to 24 DS0 circuits into G.723.1 calls at 6:1 compression ratio. The card can be use with Adtran Atlas 550 IADs.

Adtran 1200312L3 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 1200312L3 Atlas 550 24 Port Voice Compression Module
  • 1 Year Warranty
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