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Now that the US has number portability, you can just port the sprint number over to a gsm carrier (TMO, cingular, or at&t9, all of which have...
I'd say that's optimistic. Cingular still hasn't managed to fully merge their SBC and BellSouth parts.
The strategy of both AT&T and Cingular is to phase out TDMA. The acquisition doesn't really change that. I don't think the big synergies have...
I.C.E. is the monopoly provider of both TDMA and GSM (1800) in Costa Rica. Both parts of the network have roaming agreements with north american...
Except of course that there has not been one single GSM carrier ever switching to cdma or anything else. With first cellular's decision, there...
What do the different colours mean?
I assume first of all you have 1800mhz phone (both Brazil and Costa Rica use 1800), and that it is not SIM locked. Most (all four?) of the UK...
Uruguay is one of the 10 or so countries in the world where there still is no GSM (I believe the others are Palau, Nauru, Eritrea, Haiti, Falkland...
The problem with the SE seems to be that they need a decent network to operate on. In Europe they work fine. In the US where the coverage is...
If it was locked you would know -- if you put in non-Cingular SIM it would prompt you for the unlocking code and/or give you an "invalid SIM" or...
I see people are already forgetting the original SIM "cards" -- that's not the "template", that was the original SIM "card" -- a full credit card...
Yes, NOW they are. For years they just ordered blank white SIMs (like the one in my phone that I've had since 2000), and they are still putting...
What the ad means is that they are finally doing what they should have been doing years ago. Amongst numerous other mistakes, American carriers...
I have managed to get them to unlock by telling them I'm travelling to a country where they don't have roaming. Obviously India and Singapore...
Again, it is the operators that are responsible for their own pages on the GSM world site. If the coverage, roaming, services, whatever, is out...
The maps on GSM world show only what the providers send them. It is Cingular that has finally updated their map. TMO is still 2 1/2 years out of...
Until May or so (I can't remember exactly when) Cingular was the only US carrier to continue to offer roaming at the GSM standard rates of visited...
It's hardly a "very low" rate -- TMO charges 29c. Back in the duopoloy days you could choose your own long distance carrier, just as you can for a...
And the GSM carriers are expected to break the 1 billion customer barrier in October -- GSM is one full order of magnitude bigger than CDMA (1...
What roaming you have with Cingular varies a lot from market to market, as they are still actually a number of separate networks. Former...
