Hardware Specification: 1)Texas Instruments OMAP 730 Processor 2)1.9 inch 176x220 TFT LCD 3)Built-in Microphone/Speaker 4)2.0M Pixel CMOS Camera 5)Dimensions: 107 x 45 x 16mm GSM/GPRS Specification: 1)Quad-band: 850/900/1800/1900MHz 2)GPRS Class 10 3)SIM Card 4)FTA/CTA/FCC/CE Certification GSM/WLAN Convergence Features: 1)Simultaneously Active GSM/GPRS and WLAN Radio Interfaces 2)Incoming Calls from Both GSM and WLAN/VoIP 3)Automatic and Manual Switch for Outgoing Voice Calls between GSM and WLAN 4)Automatic and Manual Switch for Data Applications using GPRS or WLAN 5)Unified Phone Book WLAN Specification: 1)Wireless Access Protocol: IEEE 802.11b/g 2)RF Channels: US: 11, ETSI: 13, Japan: 14 3)Security: WEP/WPA/802.1x 4)Power Saving Modes 5)Fast Roaming between Access Points 6)Quick and Easy Search of APs VoIP Support: 1)SIP: IETF RFC 3261 2)Codecs G.711, G729a/b,G.723 3)Dynamic Jitter Buffer 4)Voice Activity Detection