register timeout 408 after connection expired

0 votes

I have installed the Zoiper in my iPhone (iOS) and configured it work OK.

However, after the connection was expired, if I open the app again, the register always fails (timeout 408 error).

I have to switch off / on Wifi and it can register again.

So, each time I open the app, I must switch off / on Wifi.

Any idea to solve this? Thanks.

asked Nov 15, 2017 in iOS by thanh (120 points)  


Please be sure that Zoiper stays active on the background.

Maybe this guide will help you :

Please be sure the app can refresh in the background.



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