SZRUNSUN FWT:
Support Remote update program
Call termination and Origination
standard RJ-11 (FXS) to telephone or voip gateway & PABX
Provide accurate anti-polarity signal,Precise reverse polarity
Caller ID
-Callback Function
-Support DTMF;  2nd Stage Dialing
Can dial number including * #.
Can set dial speed, quck dial and slow dial.(dial delay time)
Support CLIR (calling line identity restriction)
Forbid incoming call
Set IP number before the number
Set the number can not be dialed
Set rapid reaction when detecting busy signal
Lock network, lock pin
Can set auto dial till connect call
Number replacement
Can dial "00" to "+"
Black list and white list
Set the talk minutes or call times you want and LED will warn you to change SIM when

come up to your setting.
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