Some Functions
1) GSM 850MHz 900MHz 1800MHz 1900MHz / CDMA 450MHz 800MHz 1900MHz(Optional)
2) Standard PSTN FXS with RJ-11 to telephone or voip gateway & PABX
3) 400-500Hz Dial-tone and Busy-tone , Disconnect Tone
4) 50V in idle and 75V in ringing and 9-12V in talking
5) DTMF detector in RJ-11
6) Provide reverse polarity
7) Caller ID (DTMF,after ONE Ring) to telephone or voip gateway or PABX
Caller ID (FSK) to telephone or voip gateway & PABX(Optional)
8) One Number Unified(Optional)
9) CLIR(Calling Line Identification Restriction)
10) Separate Power On/Off controller
If you want to know more information, please contact us or sent email.
Msn:[email protected]
Tel: +8613428718801
Email:[email protected]