Having (optional) support for socket activation in Kamailio would bring several benefits:

• Security: systemd can listen on privileged ports or socket paths and start Kamailio with privileges already dropped.
• Major upgrades or reconfigurations of Kamailio requiring a full restart are possible without having the listening socket(s) ever go away.
• Any service dependent on Kamailio doesn't have to wait for it to finish starting (or start at all).

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