Vlasis: Created page with "Typically Kamailio sends the reply to a Keep Alive message to the port specified in the Contact: header. In cases where it is preferred to have the reply to the source port o..."

2021-08-04T14:51:15Z

Created page with "Typically Kamailio sends the reply to a Keep Alive message to the port specified in the Contact: header. In cases where it is preferred to have the reply to the source port o..."

New page

Typically Kamailio sends the reply to a Keep Alive message to the port specified in the Contact: header.

In cases where it is preferred to have the reply to the source port of the Keep Alive message, the following part of Kamailio configuration can be changed from:

<pre>
# Catch typical keep alive requests from SIP devices
if(is_method("OPTIONS") && uri==myself && $rU==$null) {
sl_send_reply("200", "Keepalive");
exit;
}
</pre>

to

<pre>
# Catch typical keep alive requests from SIP devices
if(is_method("OPTIONS") && uri==myself && $rU==$null) {
force_rport();
sl_send_reply("200", "Keepalive");
exit;
}
</pre>

Change port of Keep Alive reply in Kamailio - Revision history

Vlasis: Created page with "Typically Kamailio sends the reply to a Keep Alive message to the port specified in the Contact: header. In cases where it is preferred to have the reply to the source port o..."