<p>The nathelper module sends nat keepalive only for UDP contacts. It is how it was developed.</p>
<p>If you look for alternatives for TCP, write to <a href="mailto:sr-users@lists.kamailio.org">sr-users@lists.kamailio.org</a>, there might be some ideas to try to do in the config file. However, this is the tracker for bugs in the code, not discussions about using kamailio or building config files. So such discussion doesn't belong here.</p>

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