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 16 mm gsm/gprs specification: 1)quad-band: 850/900/1800/1900mhz 2)gprs class 10 3)sim card 4)fta/cta/fcc/ce certification voip support 1)sip: ietf rfc 3261 2)codecs g.711, g729a/b,g.723 3)dynamic jitter buffer 4)voice activity detection 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 e-mail: danny@vnetphone.com url:www.vnetphone.com skype id: cnwxdkj