0 votes

My Zoiper won't register. It was working fine till a few days ago when that message popped up. 

in Android by (120 points)

1 Answer

0 votes

Please contact your provider, if it worked before and you didnt change the settings, it should still be working.

Error 403 means the server is rejecting something, it could be invalid username or password, invalid domain, not enough credit, fraud control kicking in, wrong codecs, too many registrations in a certain time interval etc. Only the provider or PBX administrator can say what the reason is.

by (11.5k points)
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