GSM/3G has emerged as a superior alternative to the fixed-line networks and offer wider coverage and cost benefit. Today’s businesses expect the specific benefits from GSM/3G networks without sacrificing existing POTS/ISDN connectivity. Matrix SIMADO is a family of integrated GSM/3G Gateways, interfacing the GSM/3G networks with the wired POTS and ISDN networks.  


Multi-Port GSM/3G to ISDN BRI Gateway

Matrix SIMADO GBR42 is a cost-effective solution for SOHOs and enterprises to connect existing ISDN PBX to the GSM networks through BRI ports. The stand-alone device supports flexible and intelligent Least Cost Routing options providing significant cost savings and round-the-clock connectivity. SIMADO GBR21 GSM-BRI Gateway with 2 GSM/3G and 1 ISDN BRI Port SIMADO GBR42 GSM-BRI Gateway with 4 GSM/3G and 2 ISDN BRI Ports
Allowed-Denied Lists Automatic Call Distribution
Auto Port Sensing Automatic Number Translation
Call Detail Recording (CDR) Call Duration Control (CDC)
Call Progress Tones CLIP
Dialed Number Based Routing Emergency Number Dialing
Fixed Number Dialing International Mobile Equipment
Identity(IMEI) Jeeves (Windows based Multilingual GUI Tool)
Least Cost Routing (LCR) Network Code Display
Network Selection Password Protection
Remote Programming Speech Gain Setting
SIM PIN Universal Routing
3G Network Support (GBR 3G Models) Quad-Band Support
Compact and Sturdy Design RS232C (COM) Port
Digital Switching Platform (PCM-TDM) Real Time Clock (RTC)
LED Indications Wall and Table-top Mounting


Multi-Port GSM to FXS Gateways

Matrix SIMADO GFX44 is gateway offering interfaces for multiple GSM/3G and FXS ports. It can be used with any existing PBX without changing their existing telephony infrastructure or even in a stand- alone mode. The Matrix SIMADO GFX44 works as an adjunct and supports flexible routing options providing significant cost saving and round-the-clock connectivity. SIMADO GFX44 GSM-FXS Gateway with 4 GSM/3G Ports and 4 FXS Ports


  • Up to Four GSM/3G SIM support
  • Single Antenna for Four GSM SIMs
  • Quad-band GSM Network Operation
  • Tri-band 3G Network Operation
  • Time/Number based Call Routing
  • Direct Number Dialling on the Cellular Networks with Automatic Number Translation
  • Restrict Unwanted Calls with a List of Denied Numbers
  • CPC Signalling to Prevent Port Blockages and Accurate Billing
  • Caller ID Presentation on Analog Phones
  • Hotline Extension Setting
  • Emergency Number Dialling on GSM/3G Networks, Dial Emergency Numbers even in the Absence of SIM
  • Easy Programming Interface


SIMADO GFX44 GSM to Analog Voice Gateway with Four GSM SIM and Four FXS Ports
SIMADO GFX44 3G 3G to Analog Voice Gateway with Four 3G SIM and Four FXS Ports
Mobile Port:
Frequency Bands Quad-band GSM850, EGSM900, DCS1800, PCS1900 Tri-band WCDMA 850/1900/2100 MHz or Tri-band WCDMA 900/1900/2100 MHz
Compliance ETSI GSM Phase2/2+
SIM Interface 1.8, 3V SIM Interface
Antenna 1.8/2.5 *dBi, 50, SMA (Male) Connector, Fixed Omni Directional Swivel Antenna1.8/3.0 *dBi, 50, SMA (Male) Connector, Omni Directional with a Cable Three Meters Long
FXS Port:
Physical Connector RJ11
Dialling DTMF and Pulse (10/20PPS)
CLI Presentation DTMF, FSK ITU-T V.23 and FSK Bellcore 202A CLI
Call Maturity Polarity Reversal
Power Supply:
Input External Power Adaptor Input: 90-265VAC, 47-63Hz Output: 12VDC@2A
Power Consumption 8W (Typical)
Dimensions (WxHxD) 23.1 X 5.5 X 16.2 cm (9.09”x2.16”x6.37”)
Unit Weight 1.00 kg (2.21 lbs) Approx.
Shipping Weight 1.83 kg (4.03 lbs) Approx.
Mounting Options Wall Mount and Table Top
Operating Temperature 0° C to +45° C (32° F to +113° F)
Storage Temperature -20° C to +70° C (-4° F to +158° F)
Operating Humidity 5-95% RH (Non-condensing)
Storage Humidity 0-95% RH (Non-condensing) at 40° C
Regulatory Compliances:
IEC 60950-1, RoHS, FCC Part15, CE
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