503 Registration Error in 1 phone while another phone is working in WIFI

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I have two Android phones running Zopier. Firsht phone is connecting successfully to my Home Wifi network whereas the second phone is Not connecting and fails with 503 Registration issue. I have installed  GSWave in the second phone and it works without any issues in Home Wifi. 

I take the second phone to my office Wifi network and Zopier works. Also the second phone is working in Mobile Network without any issue. It is only in my Home Wifi network that Zopier is not working and shows "Registration failed 503 Error". Is there any issue connecting 2 phones in the same wifi network? Could you help to resolve this issue.



asked Feb 5, 2019 in Android by mdrafia (120 points)  

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