iphone - Not getting reachability Call back after coming from airplane mode -


brief: have ios app marked voip app in properties , have marked input , output streams voip. voip sockets connected on 3g, if go airplane mode , off, network unreachable call , not reachable call back. [it works fine in wifi]

detailed: voip app pushed background , when airplane mode switched on [was in 3g], socket error , shortly network unreachable call back. when airplane mode switched off , expect reachability call indicate app network never comes. scenario works fine wifi or wifi , 3g.

any suggestions?.

this trips many developers. if application monitoring reachability changes, handler invoked when reachability change takes place if voip socket connected when application pushed background. question goes more detail issue.


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