Multi-Port GSM/3G to ISDN BRI Gateway

    3G 850, 1900, 2100 (3G models only)

    GSM 850, 900, 1800, 1900

    4-32 GSM/3G lines

    PSTN Connectivity

Different telecom networks offer advantages in different aspects. Today’s businesses expect the specific benefits from each of these networks. The ISDN and GSM are two such omni-present networks. Most of the establishments have access to both these networks and need to bridge and interconnect them. This allows them to dynamically select one of the networks on per-call basis for obvious benefits of cost and quality of service (QoS).

Matrix Simado GBR is one such gateway equipment offering interfaces for two GSM and one ISDN BRI port. It can be used with any brand of existing PBX or even in a stand-by mode. Simado GP supports flexible and intelligent Least Cost Routing (LCR) options providing significant cost savings and round-the-clock connectivity.

Let Matrix Simado GBR add a competitive edge to your business by reducing telephone costs!


Allowed and Denied Lists IMEI Number
Answer Signaling on FXS Port LED Indications
Automatic Number Translation Location Information Indication
Call Divert Network Selection
Call Duration Display Programming through the FXS port
Call Progress Tones and Rings Signal Strength Indication
Calling Line Identification and Presentation (CLIP) SIM PIN
Calling Line Identity Restriction (CLIR) SIM PUK
Disconnect Signaling on FXS Port SMS (Receive and Delete)
Emergency Number Dialing System Password
GSM Network Support Quad-Band Support
Compact and Sturdy Design SMT Technology
LED Indications Wall and Table-top Mounting


GBR21 – GSM – 2 Channel
GBR42 – GSM – 4 Channel

GBR21 3G – NextG™/3G – 2 Channel
GBR42 3G – NextG™/3G – 4 Channel


Matrix GBR Brochure

Matrix GBR Manual