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Not exactly a PHP quesiton per say, but wondering how it is done.
on some sites, to verify your user account, they will send you a Text message to your mobile that you have to enter to verify your account.
How is this done? What kind of mobile service provides this feature? expensive?
joined:Nov 12, 2005
Generate some random security pin and send the sms the user then enters the pin and you can authenticate
it gets a little more complicated if you want to do a MO (mobile origionated) authentiaction you need to capture - took me a couple of days to get our incoming sms handeler working.