Support the CDMA2000 1X RTT standard; 
 Support high quality voice service (8kbps EVRC); 
 Support emergency call services; 
 Support caller ID, call forwarding, call waiting, call hold, three-way calling and other supplementary services; 
 SMS function; large-capacity phone book (150); 
 Convenient one-button operation; support DTMF dialing the second; 
 Support UIM (R-UIM), and modem card one (ROMSIM), one version of the software; 
 Users to personalize the volume settings (handset volume, speaker volume, ringer volume); 
 Support for 10 polyphonic ringtones selection; 
 Support calendar function;