Gsm Wireless Terminal 8 Ports 32 Sim Cards, Gwt

Following are the Main Features of GSM Wireless Terminal 8 Ports 32 Sim Cards, GWT :-
IMEI changing Automatically
Standard PSTN FXS with RJ-11
400-500Hz Dial-tone and Busy-tone , Disconnect Tone
50V in idle and 75V in ringing and 9-12V in talking
DTMF detector in RJ-11
Provide reverse polarity
Caller ID (DTMF,after ONE Ring)
One Number Unified(Optional)
CLIR(Calling Line Identification Restriction)
Separate Power On/Off controller
LED indicating Hook On/Off,Talking,Signal Intensity,Power On/Off
Setable dialing delay time
Setable automatic dialing
Support to dial all number including of * #
DTMF Automaticaly dialing (Optional)
SPK & MIC volume regulate
Provide accumulator charger interface (Optional)
Multiparty Calling teleconference (Special Optional)
Setable Maxim talking time to warn of exchanger card (Special Optional)
4SIM Rotator Automaticaly (Special Optional)
IMEI changing (Special Optional)
Rasio Bases Changing Automaticaly to simulate movement (Special Optional)
Simple to install and easy to maintain
Steady module & reliable design ensures good performance
Strong signals with high gain antenna
No noise & Clear voice
for wide voltage range & Low power consumption
Suitable for all kinds of weather & environment
Offer keypad command sets to define functions