1 Port ISDN E1/T1/J1 Digital Asterisk Telephony Card

One ISDN PRI E1/T1/J1 port PCI Express 2.0 interface Support Asterisk, Freeswitch Support Elastix directly Support Trixbox, AsteriskNOW, PBX in a Flash by reinstalling Dahdi Supports standard telephony and data protocols(Including PRI, CAS, CCS for voice and PPP, HDLC, Cisco HDLC and Frame Relay for data modes) Supports chan_ss7 and Openr2 Optional hardware echo cancellation ISDN PRI IP PBX ISDN least cost router Calling Card Platforms IVR system Call Center Traditional Calls/VoIP Calls Conference VoIP Gateway Callback Service Elastix certified