From: Alexandre P. N. <al...@om...> - 2006-09-23 14:43:15
|
Michael Tripp escreveu: >>Date: Fri, 22 Sep 2006 14:27:12 -0500 >>From: vit...@pe... >>Subject: Re: [Gumstix-users] GPRS / EDGE Module... >> >>Craig Hughes wrote: >> >> >>>The biggest hurdle to releasing a product for actual sale will be >>>acceptance of the device by network operators, which I have heard >>>might be both expensive and time- consuming (gotta love monopolies). >>>I'm hoping to have a device which I can stick my phone's SIM card >>>into and play with before the end of the year; device for sale will >>>likely not be this year; it could be next year, but it'll depend on >>>how quickly we can get a carrier to approve using it on their >>>network... >>> >>> >>Why do you need any carrier's approval? I thought the point of GSM >>networks was that any GSM device could have your SIM card stuck in it >>and it "just worked." I've certainly swapped SIM cards into unlocked >>phones, friends' phones, etc., and never had any issues. >> >>Thanks, >>Vitorio Miliano >> >> > >I was wondering the same thing. I've never heard of a GSM device having to be approved by a carrier before you use it on their network. I mean, I could imagine perhaps cell modules needing to be approved by carriers, but it's not like you're designing your own here. >_________________________________________________________________ > > It's the case where I live, all you need is an approved module (a federal agency takes care of doing that), no further carrier approval is required. - Alexandre |