Linux vacca.o2switch.net 4.18.0-553.123.2.lve.el8.x86_64 #1 SMP Thu May 7 23:17:13 UTC 2026 x86_64

//lib/firewalld/services/sips.xml

 <?xml version="1.0" encoding="utf-8"?>
<service>
  <short>SIP-TLS (SIPS)</short>
  <description>SIP-TLS is a modified SIP (Session Initiation Protocol) using TLS for secure signaling.</description>
  <port protocol="tcp" port="5061"/>
  <port protocol="udp" port="5061"/>
</service>