Let your phone choose the cheapest calls.

Samsung and Nokia unveiled telephones last month based on the Unlicensed Mobile Access (UMA) standard. The SG-T709 and the 6136, respectively, are both smart enough to use the cheapest connection available to make a call, or access DATA - and will automatically switch between an available WiFi connection, or a Cellular connection.

Nokia 6136 Clamshell

T-Mobile in the first carries in the US to support the UMA standard.

Full story from PDA Street.