Siemens 9751 (9004/5) Interface Cards

4-Wire Tie Trunk Interface

8-channel Analog (OPS8)

8-channel DID Interface (DID8)

8-channel Direct Trunk (COT8)

IPDN Primary Rate Interface

Massage Waiting 8-Card

ROLMlink Interface

T1DN Card

2016-08-31T06:01:37+00:00