**QVGA 320x240 Color display **BlueTooth Class II wireless modem for PDA and Notebook PC **Quad Band GSM 850/900/1800/1900 **Wi-Fi 802.11b **SIP (RFC 3261, SIP version 2) **GPRS Class B **Control keys : Power, Volume, Menu Selection, Send, End, navigation,12 key dialer pad **2 SIM slots **WEP, WPA & WMM **VoIP: Compliant to SIP RFC3261 GSM and G.711a, G.723.1, G.726, G.729a/b **Support STUN server **Caller ID display **Call waiting, Call forward, Call hold & call mute