Free SIP Client for Android recommend?


Can you recommend a free SIP Client for Android which works well with Android? Tried the standard anroid sip client but got the message unauthorized. user/pass server and port are correct.



Any SIP client should work fine, Zoiper on Android is free and should work OK as well


Hello i installed zoiper and created the SIP under pbxww( under flynumber but everytime error 408 . And the pbxww said everytime unreachable. any tip?
I tried use the official android app but the problem is the same .


Can you try to ping the SIP server address/domain ( the one give to you in the

If its unreachable please PM or email your IP address , perhaps your IP was banned for too many failed attempts


to me, just turning off rport did the trick! :wink:


Thanks again @cregox