Are "international" SIMS becoming obsolete? - Page 2

snidely · **Are "international" SIMS becoming obsolete? -** 22-05-2009, 23:51

T-Mobile U.S. (and one or two other carriers in the world) can make use of UMA (Unlicensed Mobile Access) to connect via wifi and make "cell" calls as though you were home. No $1 to $3/min. roaming calls. No 30 to 50 cent/min calls using an intl. SIM.
It is as simple and easy as using your same cell phone at home.

Just hung up w. the otherr half who is in Costa Rica. UMA connection was perfect. Once you have connected to a wifi spot, the phone will automatically connect whenever you come in range.

I have a question: Wouldn't some 'smart" phones that can load and use Skype do the same sort of thing? How about users of Google Voice?

With wifi around the world becoming more ubiquitous, and more and more people using smart phones, it would seem this is what roamers will do more and more.

Am I missing something?

...mike

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snidely (Offline) Senior Member Prepaid Expert Posts: 451 Join Date: 09 May 2005 Location: Berkeley, California and Miami Country:	Are "international" SIMS becoming obsolete? - 22-05-2009, 23:51 T-Mobile U.S. (and one or two other carriers in the world) can make use of UMA (Unlicensed Mobile Access) to connect via wifi and make "cell" calls as though you were home. No $1 to $3/min. roaming calls. No 30 to 50 cent/min calls using an intl. SIM. It is as simple and easy as using your same cell phone at home. Just hung up w. the otherr half who is in Costa Rica. UMA connection was perfect. Once you have connected to a wifi spot, the phone will automatically connect whenever you come in range. I have a question: Wouldn't some 'smart" phones that can load and use Skype do the same sort of thing? How about users of Google Voice? With wifi around the world becoming more ubiquitous, and more and more people using smart phones, it would seem this is what roamers will do more and more. Am I missing something? ...mike Make use of T-M's UMA/wifi free calling from any place in the world with access to wifi. I use an LG G6, wife an S7) A/o Oct 20, 2013 no need for intl prepaid as T-Mobile U.S. includes voice roaming at 20¢/min (in and out)., unlimited text (in and out), and unlimited data in 140+ countries. My Plan -[6 lines] U.S. T-Mobile unlimited minutes (incoming and outgoing), unlimited text, fast data on each line. that $145/mo. total! . (In U.S. no surcharge for calling a cell.) If a line exceeds 2G of data in a month, pay $10 more for that line. [That only happens a couple times/year.