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Top » Catalog » Asterisk Cards » ISDN Cards » BRI (ISDN2) » BE400P

OpenVox BE400P 4-port ISDN BRI PCI - Echo Cancellation
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OpenVox BE400P 4-port ISDN BRI PCI - Echo Cancellation
  • OpenVox B400P 4-port ISDN BRI PCI card
  • On-board hardware based echo cancellation module
  • Supports TE mode and powered NT mode
  • Built in conference bridge for up to 8 conferences
  • Lifetime warranty against hardware defects
  • 14 day money back guarantee
  • 30 day email support for technical installation issues
Product Overview
The OpenVox B400P is a half length ISDN BRI (Basic Rate Interface) PCI card, which includes an on-board Siemens® technology based echo cancellation module. The B400P provides four ISDN BRI S/T ports, which makes it an ideal cost effective option for small to medium sized enterprise applications. OpenVox are a Fonality® Authorized / Certified Ecosystem (FACE) partner and the OpenVox B400P is officially certified for use with Trixbox®.

The B400P supports both TE (Terminal Equipment) and powered NT (Network Terminating) modes. The B400P provides functionality similar to ISDN BRI cards from alternative vendors such as the Digium® B410P, Junghanns® duoBRI and beroNet® BNXS0.

Standard PC (Personal Computer) hardware can be used along with B400P cards to provide a low cost migration path from legacy ISDN PBXs towards an Open Source IP PBX based solution. The B400P is compatible with leading open source IP PBX software such as Asterisk®, Trixbox®, and Elastix® (OpenVox are an Elastix® Strategic partner), which support all the sophisticated features of expensive high-end PBX/Voicemail platforms. Although developed primarily for Open Source IP PBX Asterisk® based applications, the B400P can be used for any Linux applications/systems that require ISDN connectivity, e.g. Linux ISDN firewalls, VoIP gateways and routers.
Siemens® Echo Cancellation Module Features
  • 128ms tail/channel (on all channel densities)
  • Supports G.165 and G.168 standards
  • Supports 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
  • Storage temperature: 0°C to 85°C
  • Input Voltage: 3.3V
  • Power: 0.5W
Feature Summary
  • On board first-in first-out (FIFO) static random-access memory (SRAM) buffers for hardware based channel switching
  • Built in Dual-tone multi-frequency (DTMF) detection machine for hardware based DTMF detection
  • Onboard multi network terminating (NT) power feeding circuit (most vendors provide this as an optional extra)
  • Built in conference bridge unit which allows up to 8 conferences with an arbitrary number of members each
  • Onboard parallel processor interface hardware watchdog for detecting Miscellaneous interrupt conditions
  • Four ISDN BRI ports: 2 B channels (e.g. for two separate voice channels) and 1 D channel for signalling per port
  • High quality components: The OpenVox B400P uses an ISDN controller chip from the same manufacturer (Cologne) used by Digium, Junghanns and beroNet for their ISDN cards
  • Terminal Equipment (TE) mode: Receives a clock from the BRI interface to connect to a device operating in Network Termination (NT) mode, e.g. PBX line card or ISDN network provider NT1 unit
  • Network Termination (NT) mode: Sources a clock to the BRI interface for connecting to a device operating in Terminal Equipment (TE) mode, e.g. PBX trunk card, router or ISDN telephone
  • Point-to-multipoint mode: Standard connection mode for private ISDN users and small business users to connect multiple ISDN devices
  • Point-to-point mode: Standard connection mode for business ISDN users for connecting a single ISDN device, e.g. PBX
  • Full hardware and software compatibility: Compatible with most well known brands of open source computer telephony equipment
Linux ISDN driver support
  • mISDN: Supports complete BRI ETSI compliant EuroISDN DSS1 Stack for NT and TE mode
  • BRIstuff: Set of patches and ISDN BRI drivers along with automated download and patching scripts for Asterisk, Zaptel and Libpri
  • isdn4bsd: ISDN driver for FreeBSD 5/6/7 and NetBSD 2/3, supports EuroISDN DSS1 (point to point and point to multipoint) in NT and TE mode
ISDN standards support
  • Net 3 ETSI EuroISDN (TBR3) attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access
  • International Telecommunication Union Telecommunication Standardization Sector (ITU-T) I.430 Basic user-network interface - Layer 1 specification
  • European Telecommunications Standards Institute (ETSI) ETS 300 012-1 ISDN Basic User-Network Interface (UNI) Specification
Technical Summary
  • Line termination (100 ohms) on/off and NT/TE mode selectable using jumper settings
  • Four S/T interfaces: S-bus (or S0-bus) consists of four wires (two pairs)
  • RJ45 female connector: 8 wires, middle pairs (3+4, 5+6) are used for transmit/receive as per ITU-T I.430 specification
  • Fully PCI 2.2 compliant: Auto-sense compatibility for both 5v and 3.3v PCI busses
  • Solid tantalum capacitors: High volumetric efficiency/reliability, low Equivalent Series Resistance (ESR) and temperature stability over the range -55°C to +85°C
  • Dimensions excluding PCI bracket (H x L x W): 96mm x 140mm x 15mm / 3.75" x 5.5" x 0.6"
  • ROHS compliant: No lead in the Printed Circuit Board (PCB) or parts
  • Certificates: CE, FCC

This product was added to our catalog on Sunday 08 May, 2011.

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