<p>Hello, thanks for the report. The hostname parsing was made more strict in 2018 (commit <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/kamailio/kamailio/commit/4994960324d5353222b3de08515bed07802ab7bc/hovercard" href="https://github.com/kamailio/kamailio/commit/4994960324d5353222b3de08515bed07802ab7bc"><tt>4994960</tt></a>), so far we only received two reports about it.<br>
In git master branch there is a now a core parameter "uri_host_extra_chars" to customize this behaviour. You can easily cherry-pick this also in your 5.2 branch (you need to compile it thought):<br>
henning@linux:~/repositories/5.2> git cherry-pick -x <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/kamailio/kamailio/commit/038158c99da96933c26b11a919ed1cbe29af9fab/hovercard" href="https://github.com/kamailio/kamailio/commit/038158c99da96933c26b11a919ed1cbe29af9fab"><tt>038158c</tt></a></p>

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