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Re:Why AT&T Killed Google Voice by zedwill on Wednesday August 19, 2009 @05:02AM (#772378)
That is true for original GSM networks. However SMS might be using a data channel for delivery instead of control in the latest EDGE,CDMA.

I googled for UTMS 3G (the most usual here in europe), and they still use the FREE signal channel:

"On umts, sms is packet switched - bit rate will be 16k...... cos it is sent on signalling channel."

ref: http://www.wirelessforums.org/uk-telecom-mobile/anyone-know-...

Re:Why AT&T Killed Google Voice by DannoHung on Wednesday August 19, 2009 @03:05PM (#773490)
If they were using the regular data channel, and they charged the regular (even though they are inflated as is) data prices, this would be a non-issue.

It's like if the USPS decided to charge a buck for post cards because people liked them more, so the logical thing to do would be to just stick the post-card in an envelope, but then the USPS declared that illegal and outlawed post card sized envelopes.