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Adtran 1700590G1 Features:
Yealink SIP-T22P Phone
The 1184500L1 system controller modules are provisioned
T1/PRI Trunk Input
phone operator
ESI DLC12 T1/PRI 12 Port Station Card (5000-0422) Switches Adtran 1700590G1 Features:ESI DLC12 T1 PRI 12 Port Station Card (5000 0422) Description: The ESI DLC12 T1 PRI is a 12 port digital station card and T1 PRI interface on a single ESI module. The ESI DLC12 T1 PRI provides 24 DS0 channels in T1 mode or 23 B channels and 1 D channel in PRI mode. The ESI T1 PRI card also provides 12 digital station ports for connecting digital phones to the ESI phone system. The ESI DLC12 T1 PRI has a built in CSU that can connect directly to the
US$ 87.00
US$ 45.00
US$ 35.00
