http://netvouz.com/jackask/tag/uma?feed=rss jackask's bookmarks tagged "uma" on Netvouz http://www.mobile88.com/mobilegallery/preview.asp?phone=Samsung_SGH_P180_UMA&prodid=20829&cat=8&path=40,1 Samsung SGH P180 UMA review - The Samsung SGH P180 is a tri-band GSM (900/1800/1900) clamshell phone that supports EDGE/GPRS. It also support UMA Technology that allows the user to seamlessly switch between GSM and WiFi networks even when the user is talking on the phone. jackask Tue, 04 Dec 2007 16:15:14 GMT