Digium 1TDM422EF

The Digium® TDM410 is a half-length PCI 2.2-compliant modular gateway card for connecting analog telephone stations and analog POTS lines through a PC. It supports a combination of up to four station or trunk modules for a total of 4 lines. Using Digium's Asterisk® software and standard PC hardware, one can create a telephony environment that includes all of the sophisticated features of a high-end business telephone system.

The TDM422E Includes
Two (2) Single Station (FXS) Module (Green)

Two (2) Single Trunk (FX0) Module (Green)

One (1) 128ms Hardware Echo Cancellation Module