B400P ISDN BRI VoIP card is a PCI 2.2 compliant card supporting 4 BRI S/T interfaces, with an onboard 
multi NT power feeding circuits.

NT/TE mode can be independently configured on each of the 4 ports.

B400P can be used for building Open Source Asterisk PBX (Linux) based systems such as ISDN PBX 
and VoIP gateway.

1 x B400P ISDN BRI VoIP Card

* Four integrated S/T interfaces
* ITU-T I.430 and TBR 3 certified and S/T ISDN supporting in TE and NT mode
* Integrated PCI bus interface (Spec.2.2) for 3.3V and 5V signal environments
* DTMF detection on all B-channels
* Multiparty audio conferences bridge
* Onboard power feeding
* PCM bus connectors daisy chaining
* Each of the 4 ports can be independently configured for TE or NE mode
* Application ready: Use Asterisk PBX to build your IP-PBX or Voicemail system