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VOIP issue on 3g since 2 weeks work ok on wifi

airhead

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Oct 31, 2011
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Using IPhone 4, and IOS 4 or 5 with FIDO provider. I can't use VOIP client on 3G.
Since 2 weeks my ISIP or Groundwire VOIP client application can't register or logon to ACANAC while on 3G network. I have no issue if using WIFI network.
Apple can't see why traffic to port 5060 would not work on 3G and FIDO says its not there problem. Any suggestion here ?

In case it can help SKYPE works fine, for what i know Skype uses proprietary resources.
 
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