Overview:

GSM and Wireless-LAN SIP 2.0(RFC3261) support
Manual switch between GSM and WLAN
Voice Service (GSM and SIP):
1) GSM (HR,FR,AMR,&EFR)
2) SIP (G.711,G.723, G.729a,b)
Frequency: Quad-band GSM 850/900/1800/1900 MHz
WLAN: WiFi IEEE 802.11b/g
MIDI: 64 Ploy Tone
Standby time (hr): 275(GSM)/130(WiFi)
Talk time (hr): 4hours
GSM call service: Conference call, call waiting, call holding, call divert, call restrict
Input: Association English, Chinese Input methods
Language support: English, Chinese
Phone book: Stored 100 phone number
Message: Receiving & sending English, Chinese message
Ringer: 40 kinds (incoming ringer, message ring)
PC download implement: download data line, download software implement
Telephone records: 20 Received/Dialed/Missed
Setup: Ring, volume, wallpaper etc.
Tools: Calculator, calendar, alarm etc
Wallpaper: Dynamic & static wallpaper