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Stu · 07-02-2012, 04:50

AT&T does actively block VoIP over 3G. It is not the best network in terms of performance but it works and is even contractually permitted.

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Stu (Offline) Senior Member Prepaid Guru Posts: 1,091 Join Date: 11 Feb 2004 Location: Detroit (formerly Dubai) Country:	07-02-2012, 04:50 AT&T does actively block VoIP over 3G. It is not the best network in terms of performance but it works and is even contractually permitted.