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Caller ID with Return Calling
Total Access 750/850 FXS Module providing four 2-wire analog FXS voice interfaces
The handset is disabled with a press of the button
Type: 1 x CSU
12 programmable Feature Keys and 12 fixed function keys for streamlined operation
OPTI-6100 DS1M2 Voice Mail board Caller ID with Return CallingProduct features The DS1M Module multiplexes demultiplexes one STS 1 into 28 DSX 1 circuits using the signal from the OPTI 6100 OMM modules. The 28 DS1 circuits are M13 mapped. These circuits are made available through the champ connectors on the backplane of the OPTI 6100 chassis and are usually routed to a DSX panel. With the use of two modules, equipment protection is available. Delivers 28 DS1s. OPTI 6100
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