Nokia 6136 WI-FI with GSM (http://rbi.ims.ca/4930-514). The Nokia 6136 phone integrates Unlicensed Mobile Access (UMA) technology with cellular to provide users a seamless transition of voice and data connections between GSM cellular and WLAN networks. With WLAN network access, callers can use VoIP and reduce their cell phone cost. In addition to UMA over WLAN, the system has Quadband EDGE/GSM 850/900/1800/1900. Talk time is up to five hours for GSM operation and up to five and a half hours for UMA. Standby time is up to 280 hours for GSM and up to 82 hours for UMA. Nokia regards multiradio combinations as the trend in future handheld devices.