Basic Information：
01) Support GSM 900/1800/1900MHz, Tri-Band
02) Standard PSTN FXS with RJ-11 connect to telephone or VoIP FXO gateway & PABX
03) DTMF detector in RJ-11
04) DTMF Automatically dialing to GSM, to VoIP gateway, PABX (Optional)
05) 50V in idle and 75V in ringing and 9-12V in talking
06) CLIR (Calling Line Identification Restriction)
07) Caller ID (DTMF, after ONE Ring) to telephone or VoIP gateway or PABX
Caller ID (FSK) to telephone or VoIP gateway & PABX (Optional)
08) LED indicating Hook On/Off, Talking, Signal Intensity, and Power On/Off
09) Separate Power On/Off controller
Basic Function
1, Automatic base station rotation
2, Automatic receive coming calls
3, Automaticly rotation to next SIM after dialing failed continiusly
4, Automaticly rotation to next SIM after continuous short time calls
5, Automaticly rotation to next SIM after SIM Card is blocked
6, Locking Network operators
7, Restart automatically when FWT standby overtime
8, Automatic forwarding received SMS and sent SMS
9, Bar Incoming Calls
10, Fast response when meet busy dialing tone
11, Set waiting time when dialed
12, Set dialing delay time
13, Set telephone number of digits
14, set 10 groups aliasing
15, Hide own phone number to dial
16, Add prefix Telephone number
17, Dial all number including of * # 1~9
18, Provide precise reverse polarity
19, Settable automatic dialing
