<p></p>
<p>Hi Joey, I've tried to investigate the issue with http_async_client initialization, but I've not been able to reproduce it in buster.<br>
Anyway looking at the logs I've found something that might be not good, the place(s) where curl memory callbacks are set.<br>
I've created a branch with a change on this <a href="https://github.com/kamailio/kamailio/tree/hac_curl_mem_callbacks">https://github.com/kamailio/kamailio/tree/hac_curl_mem_callbacks</a>, do you have any chance to try it?</p>

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