GSMWLAN Our Wireless released the world first commercial GSM/VoWLAN dual-mode smart phone, hipi, in March 2006. With a tri-band GSM/GPRS (Class 10) radio and an IEEE 802.11b WLAN chipset, hipi enables end customers to enjoy broadband multimedia services at WLAN covered homes, offices, hot spots/zones as well as reliable GSM/GPRS service anytime anywhere. It shows an outstanding performance in power management, mobility management, security, mobile VOIP, and voice quality, no matter what kind of access points it connects, as the result of our Wireless\'\'s advanced technologies solving the critical problems of VoWLAN. Hipi has passed most of regulation certification programs and has done interoperability testing with over 40 VOIP service providers, system integrators, and infrastructure equipment vendors worldwide. Hipi is an ideal device for fixed mobile convergence. Hardware Specification Intel PXA271 processor with embedded Linux 2.4 inch TFT touch screen, QVGA,260k Colors Built-in speaker/microphone,2.4mm stereo and headset 1.3M pixel CMOS camera USB slave Mini SD 1100 mAh Li-ion battery GSM Specification Frequency bands:900/1800/1900 MHz GPRS Class 10 SMS, MMS, WAP applications FTA/CTA certification FCC/CE certification WLAN Specification IEEE 802.11b RF channels: US:11, ETSI:13, Japan:14 High-gain internal antenna WEP 64/128 bits, WPA,802.1x EAP PSK/LEAP/PEAP/TTLS/SIM Power saving modes Fast roaming between access points VOIP Specification SIP: IETF RFC 3261 Codec: G.711, G.729a/b, G.723 Acoustic echo cancellation Dynamic jitter buffer Voice activity detection Stun-based NAT traversal