The Digium TE122B is a high-performance,cost effective digital telephony interface card, interconnecting traditional telephony...
Digium TE407P - Quad T1, E1, J1 interface with Octasic Echo Cancellation Module only for 5.0 volt PCI slot.
The Digium TE121B is a high-performance,cost effective digital telephony interface card, interconnecting traditional telephony...