1) may call the local telephone, domestic long distance, international long-distance, mobile, IP Internet telephony.
2) to provide anti-polarity signal, with the meter, if used in public accounting.
3) standard bell stream / feed interface and a variety of switches can be adaptive.
4) can be set to the local area code, users dial a local call dial the area code when you do not have to.
1.networks: support TD-SCDMA 2010 ~ 2025MHz and GSM 900/ 1800MHz
2.Real time signal strength display, real electricity and real capacity display.
3.Write,send and receive messages functions (up to 200 messages).
4.Language : Chinese and English.
5.Alarm clock function.
6.Caller ID display, call recorder, hands free calls.
7.Call time, call book function.
8.Support USIM / SIM card and fixed station call book backup function.
9.Settings: network type, phone setup, display setting, call setting.
10.Contextual model normal mode, silent mode, outdoor mode.
11. 5 family dial-up keys(A,B, C, D, E). emergency call.
12. 64 chord bell ring tones
13. Support Hands-Free, call divert,call barring, call waiting,IP shortcut key, speed dial,50 secs warning.
14.removable TNC antenna.
1X F501 PHONE host
1X manual (Chinese only)