BRI Gateway 4 and 8 Ports

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1 Year
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Available with 4 and 8 ports, this stand alone ISDN BRI gateway supports 2 simultaneous calls per span.

Built in DSP based Line Echo cancellation guarantees highest voice quality. The gateway can be easily configured thanks to a user friendly web based user interface. Use this gateway to connect ISDN BRI lines to the IP world.


  • 4 or 8 Port ISDN BRI with programmable NT/TE modes
  • Flexible call routing
  • Voice coding G.711 A-law/u-law, G.729AB*
  • Fax pass-through
  • Echo cancellation
  • Up to 8/16 simultaneous VoIP to ISDN BRI calls
  • Support SIP v2 (RFC 3261 complaint)
  • Register with multiple SIP service providers
  • ISDN network clock synchronization for error-free communication
  • Interoperable with all the major-brand soft switches and IP-PBXs
  • PIN authentication for accessing trunks to prevent unauthorized usage
  • Call detail records
  • Web-based configuration and management
Technical Specifications

  • Capable of supporting 4 ports of BRI interface
  • Switch variant: ETSI- Euro ISDN BRI
  • Interface: S/T Interface, point to point
  • Configurable as network side or terminal side.
  • Support SIP v2 (SIP Info, Update, PRACK, Refer)
  • B2BUA
  • SIP registrar
Support following voice codecs
  • G.711 PCM A-law @ 64 kbps
  • G.711 PCM U-law @ 64 kbps
  • G.729AB (With additional DSP)
DTMF Support In-band, DTMF relay (RFC 2833) out-of-band, INFO method (RFC 2976)
Echo cancellation Up to 128msec echo tail length
Fax Fax pass-through
  • Call routing
    • Flexible dial plan & number manipulation
    • Time-dependent routing
    • Multilevel alternative routing (Intelligent multiple trunk routings)
    • Least cost routing (LCR)
  • Support for calls to toll free, local and special service numbers (emergency services, etc.)
  • Early media support
  • STUN support
  • Call detail records (CDRs)
  • WEB based configuration utility
  • Remote firmware upgrade
  • Built-in diagnostic tools (trace, debug)
  • DHCP client
  • DNS
  • SNMP client
  • HTTP web server
  • NAT traversal (both manually and STUN)

Physical & Environmental
Operation Temperature 10°C to 40°C (50 F to 104 F)
Storage Temperature 0°C to 50°C (32°F to 122°F)
Operating Humidity 10% to 90%, Non-condensing
Storage Humidity 5% to 95%, Non-condensing
Dimensions 25cm x 22cm x 4.3cm
Weight 1.5 kg
Power Input 12V DC / 3.5 A
User Interface

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