Hi Forum,
i have installed a FuisonPBX 4.5.25 master on a Debian Linux.
After that i configured a SIP Trunk and a test User.
Now i want to try to connect to the FusionPBX with a Zoiper Client but every time i try the Log says:
[WARNING] sofia_reg.c:1795 SIP auth challenge (INVITE) on sofia...