
SIMADO GFX44 is a fixed configuration GSM/3G-FXS voice Gateway. It connects with the existing telephony devices via FXS interface. Up to four SIM cards can be placed inside the SIMADO GFX44 Gateway, allowing a user to make up to four concurrent calls. The calls to mobile numbers are placed via the GSM/3G SIM cards, reducing higher 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.