Adrian writes: > Yes, but i dont understand. It's something with tls module? read again: Mar 13 11:35:27 server /usr/sbin/kamailio[3827]: ERROR: tls [tls_domain.c:417]: load_cert(): TLSs<default>: Unable to load certificate file '/etc/certs/demoCA/ps.sip.uniza.sk/cert.pem' -- juha