SIMADO GBR ,Fixed GSM/3G to ISDN BRI Gateway


IMADO GBR is a fixed GSM/3G-to-ISDN B RI gateway interfacing ISDN devices to the mobile networks. The gateway offers up to 4 GSM/3G channels to connect a digital phone system via single or dual BRI ports. The gateway seamlessly routes calls over the GSM/3G network, bringing significant cost savings on fixed-to-mobile interconnection charges.

The gateway serves as an ideal solution for business organizations, remote project sites with limited fixed-line connectivity and temporary office set-ups with limited budget to invest in costly ISDN lines. 


Key Features

  • Direct number dialing on the cellular networks with automatic number translation
  • Time/number based call routing
  • Restrict unwanted calls with list of denied numbers
  • Up to 4 GSM/3G SIM support
  • Quad-Band GSM network operation
  • Tri-Band 3G network operation
  • Single Antenna for 4 GSM/3G SIMs
  • Software configurable TE/NT modes
  • ISDN network clock synchronization for error-free communication
  • Caller ID presentation/restriction
  • Emergency number dialing on GSM/3G networks, dial emergency numbers even in the absence of SIM
  • Hotline extension setting
  • Easy programming interface