Digium 1TE435BF Quad T1 PCIe Card with Echo Cancellation

Digium 1TE435BF Four span digital T1/E1/J1/PRI PCI-Express x1 card and hardware echo cancellationThe Digium TE435BF connects four T1 or E1 trunks to an Asterisk-based PBX system. Built exclusively for use with Asterisk and Asterisk-based communications systems, the quad span digital cards provide the best value in digital connectivity. Digium cards are compatible with all versions of Asterisk using the DAHDI driver framework. All cards include a five (5) year warranty and are eligible for Digium's Exceptional Satisfaction Program (ESP) risk-free Quality Guarantee.Digium 1TE435BF Features PCI Express form factor 4 ports 128ms hardware echo cancellation module Up to 24 (T1/J1) or 30 (E1) simultaneous calls per span (96 total T1/J1 and 120 total E1 per card) Supports T1, E1 and J1 physical interface connections Protocol support includes: ISDN PRI, Robbed-Bit, CAS Industry standard RJ-45 port Asterisk and DAHDI supported (DAHDI 2.8 or later required for the TE435) Asterisk and DAHDI supported (DAHDI 2.10 or later required for the TE436) Switchvox supported (Switchvox 5.8.1 or later required for the TE435) Switchvox does not support the TE436 card 5 year warranty Please see our datasheet for more information on the Digium 1TE435BF.