To upgrade from Kamailio 4.2 or earlier to 5.0

1. If running Debian or Ubuntu, do:
   • apt-get install libunistring-dev
2. If running CentOS, Fedora, or Redhat, do:
   • yum install libunistring-devel
3. Install files:
   • mv /lib/kamailio /lib/kamailio-old || mv /lib64/kamailio /lib64/kamailio-old
   • enswitch install -u kamailio (standalone version)
   • enswitch install -u kamailio-ha (if using Heartbeat)
   • enswitch install -u kamailio-cp (if using Corosync & Pacemaker)
4. Update database:
   • enswitch sql "update version set table_version=8 where table_name='location'"
5. Update configuration:
   • vi /etc/kamailio/kamailio.cfg # and change kamailio_42.cfg (or version in use) to kamailio_50.cfg
6. Optionally, enable the no-NAT SIP port 5065 in /etc/kamailio/kamailio.cfg. This can be used with SIP origination providers who have issues with NAT handling. Don't forget to open port 5065 in the firewall:
   • listen xx.xx.xx.xx:5060
   • listen xx.xx.xx.xx:5065
7. Restart Kamailio:
   • enswitch restart
8. Check the Kamailio log for errors and test calls.