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Edit /etc/kamailio/kamailio.cfg, and set the database IP address and password.

Optionally, enable SIP 302 redirects in /etc/kamailio/kamailio.cfg:

• #!define ENABLE_REDIRECT 1

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

Set System -> Configuration -> "Location expires format" to "integer".