Sell TE420B (TE420 with Echo Cancellation Module VPMOCT128 ) PCI-E Dig

详情

TE**0B, 4Port E1/T1/J1 card supports E1, T1 and J1 circuits and it is selectable on a per-card or per-port basis. This feature enables signaling translation between E1 and T1 equipment and allows inexpensive T1 channel banks to connect with E1 circuits.

With the improved I/O speed, the card reduces CPU usage and increases card density per server. The card is fully compatible with Asterisk softswitch. Also, the

open source driver supports an API interface for custom application development.

The The 4 port E1/T1/J1 card supports industry standard telephony voice and data protocols, including Primary Rate ISDN (both North American - National/DMS and Standard

EuroISDN), SS7 signalling, analog over digital such as E&M, E&M Wink, R2 CAS, FXS/FXO loopstart and other less known voice protocol families, PPP, Cisco, HDLC, and Frame

Relay data modes. Both line-side and trunk-side interfaces are supported, also included are advanced call features.

It supports Asterisk/Trixbox/Elastix /FreePBX...

It supports Zaptel and Dahdi .

E1 circuits are used in Europe, Asia, Middle East and South America
T1 circuits are used in USA, Canada
J1 circuits are used in Japan

High performance ISDN PC cards
ISDN PABX for PRI/PRA
VOIP gateways
Analog to digital signalisation converters
ISDN LAN routers for PRI
ISDN least cost routers for PRI
ISDN test equipment for PRI