OpenVox B400 Series provides 4 ports of S/T BRI interface. All 4 BRI ports can be configured for TE or NT mode individually by jumpers. This port configuration is detected by the driver automatically.It takes full advantage of Siemens® technology based Hardware Echo Cancellation Module to deliver the superior voice quality over the 4 BRI ports.
B400 Series S/T BRI interface card delivers superior voice quality in the telephony systems with advanced Siemens®technology based hardware echo canceller. It turns your legacy ISDN BRI equipment into powerful Voice over IP devices and provides a soft migration path from ISDN technology to the new Voice over IP world.
The B400 Series brings powerful ISDN BRI connectivity to your Linux machine. It comes with fully GPLed drivers for the Linux kernel. Multiple B400E can be interconnected over an external PCM bus. The card’s active channel switching capability is also working over the external PCM bus.
B400 Series works with Asterisk®, Elastix®, FreeSWITCH™, PBX in a Flash, trixbox®, Yate™ and IPPBX/IVR projects as well as other Open Source and proprietary PBX, Switch, IVR, and VoIP gateway applications.
Target Applications
ISDN BRI PBX (embedded)
VoIP BRI Gateways
ISDN LAN Routers for BRI
ISDN Least Cost Routers for BRI
ISDN Test Equipment for BRI
PBX to PBX trunking
Technical Specifications
Up to 4 ports of S/T BRI interface
4 RJ-45 interfaces on a single PCI bracket
ITU-T I.430 and TBR 3 certified and S/T ISDN supporting in TE and NT mode
PCI Express 1.0
DTMF detection on all B-channels
Multiparty audio conferences bridge
PCM bus connectors daisy chaining
Each of the 4 ports can be independently configured for TE or NT mode
Optional Siemens® Technology Based Hardware Echo Cancellation Module—EC4008
128ms tail/channel (on all channel densities)
Support G.165 and G.168 standards
Support 8-channel echo cancellation
No CPU load as a result of echo cancellation.
Does not increase the physical size of the card, and no additional slot is required
Operating temperature: 0°C to 85°C
Input Voltage: 3.3V
Power Consumption: 1W
Certification
RoHS Compliant
Certificates: FCC, CE and LVD
Operating Systems
Linux (all versions, releases and distributions from 1.0 up)