Product Specifications/Features :
Features:
Providing 900mhz and 1800mhz GSM connectivity.
850mhz/1900mhz optional
IMEI changed(optional)
Simple to install/easy to maintain
Allow PIN code entering and reciprocal phone-card lock
Provide optimized circuit directly connecting the exchange
device for extensions
Polarity reversal signal for metering
Compatible to PABX,VOIP gateway, IP PBX, Call back system,
cord phone, Voice system, and etc.
Suitable for call termination of ISP
Dialing tone
DTMF Dialing
Display Incoming caller ID.
Hide calling out number.
Working state indicator
Signal Strength indicator