Hello, How do i include Expires header for 200 OK message? One of the manual says this.. how do i modify my existing config file to include this? I am using : /usr/local/etc/kamailio/kamailio.cfg for configuration. Rgds, MGSK 1.4.9. expires_offset (int) The value that should be subtracted from the expires value when sending a 200OK for a publish. It is used for forcing the client cu send an update before the old publish expires. *Default value is "0".* *Example 1-9. Set expires_offset parameter* ... modparam("presence", "expires_offset", 10) _______________________________________________ Kamailio (SER) - Users Mailing List sr-users(a)lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users