P.Schuman wrote in alt.cellular.verizon

> Gordon Huff wrote:
>> Mark Crispin wrote:
>>> On Fri, 29 Feb 2008, danny burstein posted:
>>>>>> SO... for domestic US users, the choice would only be ATT (gsm) or
>>>>>> T-Mobile
>>>>>> (gsm)
>>>>> Or Suncom.
>>>> Or Dobson. Or Constoga.
>>>
>>> Dobson is now part of ATT.
>>>
>> or Advantage, or Aradigm or Alaska Wireless or Alltel or CellularOne
>> or ANW or Arctic Slope Cooperative or CT Cube or Caprock Celluar or
>> Centennial or West Central Wireless or Chariton Valley or Amerilink or
>> Cincinnati Bell or Coleman or Commnet or Concho or Convoy or Cordova
>> or Corr or MBO or BigFoot or ...
>>
>> depending on where you live and work, you could have allotta choices!
>> Regards
>
> Yeah, I guess -
> http://en.wikipedia.org/wiki/List_of...hone_companies
> Was originally thinking of just the major players...
> Wonder if the registered ESN has any "company" related info, like an
> Ethernet MAC ?

GSM phones do not use ESN's. They have IMEI numbers, but all tracking and
connection info is provided by sims, which can, and are, moved from phone
to phone.
When you unlock a GSM phone you are actually allowing the phone to accept
sims from different carriers.

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