Also checked all credentians 3 times.
It worked on another platfoms
I tried read sources uac_reg.c
found that it takes form hash credentmans about this trunk but not found where and what it checks.

So i suppose it is difference at MD5 but i can not check it.

2016-07-29 15:03 GMT+03:00 Yuriy Gorlichenko <ovoshlook@gmail.com>:

Hi. All trunks works fine ony one not works

Kamailio sends REGISTER with proxy auth
provider answers with 407
Kamailio not send any REGISTER
Just answers in log

uac_reg_tm_callback(): authentication failed for <trunkname>

At attachement kamialio debug 3 log and sip log