Our unique solution boasts a fast and easy installation that enables inbound and outbound traffic for VoIP and PSTN.

System Features:

      • Capacity:
        - UP to 8 concurrent VoIP calls
        -  4 x BRI interfaces
      • Configuration:
        - Bi-directional calls (Inbound and Outbound calls)
        - In-line connectivity (3-leg topology)
        - LCR functionality
      • PBX Compatibility: with IP systems and PABXs of leading manufacturers worldwide
      • Chassis:
        - Available 3U x 19" size
        - Rack-mountable design
      • Management & Control:
        - Remote web-based
        - Local serial port
      • High voice quality
      • Fast and easy installation

Key Benefits for Corporate Business:

  • Migration to VOIP Utilizing Existing Infrastructure
    By integrating one of our VoIP PRI Gateways with existing PBX/PABX telephone systems, businesses of all sizes can benefit from:
    - Low-cost Voice over IP calls.
    - Multi-site / Multi-branch connection.
    - Expanded PBX capacity and capability.
    - Substantial cost savings.
    These ISDN VoIP Gateways directly connect to any one of existing ISDN BRI (T0/S0 ISDN, RDSI) interfaces of the office PBX, and enable bi-directional traffic for both VoIP and PSTN, all in one compact box.
  • PSTN Access for VoIP Systems
    For those companies who are considering migration to VoIP or have already migrated to VoIP and have an existing IP-PBX, Hypermedia's VoIP BRI Gateways offer the advantage of opening the IP-based switchboard directly to the PSTN networks, saviing the cost of extra BRI intefaces. 
  • In-Line Connectivity (3-Leg Topology) with LCR Functionality
    Hypermedia's VoIP BRI Gateway can be situated between the PBX and the PSTN, saving the cost of an additional PBX S0/T0 port. In this configuration, it comes with advanced Least Cost Routing (LCR).
  • Intelligent Connectivity Hardware
    Besides offering PBX/IP-PBX users a powerful telephony cost saving tool and advanced least cost routing capabilities, our VoIP BRI gateways can also deliver voice connectivity options to PSTN and GSM networks in one box.

Major Advantages:

  • Use of existing ISDN BRI interfaces of the PBX
  • Fast return on investment (ROI)
  • No need of telephony infrastructure changes
  • Compatible with all ISDN PBXs
  • In-line connectivity (3-leg topology) – between the PBX and the PSTN
  • Advanced Least Cost Routing (LCR) functionality
  • 4 or 8 simultaneous calls
  • Optional GSM connectivity 
  • Remote web-based management and control
  • 24 months warranty

Given the systems' flexibility, modularity and scalability, these advanced ISDNVoIP gateways can be pre-configured to meet precise customer requirements so companies can easily expand the cost-effective systems to meet their evolving telephony needs over time.


Available: 8 channels with 4xBRI ports.

* If you are a Telecom reseller interested in selling our VoIP PRI Gateways, we invite you to Join Our Distributor Program.

* If you want more information about becoming a distributor, send us an email.

Product Brochure
Installaion Guide
User Manual
Case Studies & Application Notes

ISDN BRI VoIP Gateways

Connecting PBX to VoIP

The VoIP BRI Gateways from Hypermedia come configured with 4 x ISDN BRI ports and with 8 VoIP channels. Without changing the existing communications infrastructure, they enable BRI trunking for IP-based systems and access to VoIP for legacy phone systems.


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