Based on GSM network, you can take normal phone as mobile phone. Due to the smart outlook, stable quality, advanced technology, it become more and more popular in the market. Cell lock ( 1 to 9 Cell Sites) SIM Locking with FWT FWT locking with Single SIM or SIM series Network locking with operator LCD display for call register/ Call Billing (optional) Compatible to EPABx (loop interruption) Compatibility to Billing machine (Polarity Reversal) Metering of calls- 16 KHZ on Internal Memory Support for both GSM 900 and 1800 MHz and EGSM Connect to standard telephone/ Caller ID Phone /cordless (with loop current sufficient to support 5 parallel telephones?.) ive Call Barring (STD/ISD/local/ALL) & Roaming activate / deactivate FCT Incoming call Baring CLIP (on DTMF for INDIA) Battery Back up (External/Internal) Talk time: 4+ hrs Standby time: 24+ hrs Local Area Code Prefix 95=0 Replacement 6Dbi Antenna with 3 mts cable. Signal Indicate: Low/Mid/High in THREE LED