<p>RFC 4028 mandates that the Session-Expires header contains a refresher= parameter.</p>

<p>The current implementation fails against some SBCs.</p>

<p>Here is a small patch that solves this.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br>Reply to this email directly or <a href="https://github.com/kamailio/kamailio/issues/288">view it on GitHub</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AF36ZQvuUGRzGJg6vduJOMo78hHy8Zj3ks5om1HzgaJpZM4FqP0c.gif" width="1" /></p>
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