I have Kamailio v4.4.x but
[root@ubuntu sbin]# kamctl start WARNING: no control engine found - tried 'RPCFIFO'
INFO: Starting Kamailio :
ERROR: PID file /var/run/kamailio.pid does not exist -- Kamailio start failed You have new mail in /var/mail/root [root@ubuntu sbin]#
Any solution for this ?? Please ....