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PRI switching applications and frame relay passthrough are supported with the 1200185L3
Gigabit version of the ShoreTel IP 560
Status Line Idicators
Ethernet Bridge or Quad DSX-1 modules
Supports public and private Frame Relay traffic that terminates on T1
Adtran Atlas 800 Series 8-Channel Voice Compression Module 1200221L1 Conference Phones PRI switching applications and frameAtlas 800 Series 8 Channel Voice Compression Module 1200221L1 Description: The Adtran 1200221L1 is an 8 channel voice compression module for Atlas 800 series gateways. The 1200221L1 supports G. 723. 1 compression on eight B channels from a T1 or PRI circuit. With 6: 1 compression ratio compared to traditional G. 711 conversations, the 1200221L1 can support up to an extra 40 calls across the 8 channels (48 total). The 1200221L1 supports fax detection
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