How to Build and Deploy Asterisk 22 LTS on Debian 13 with PJSIP, TLS/SRTP and fail2ban

A comprehensive, battle-tested guide to compiling Asterisk 22 LTS from source on Debian 13 Trixie, deploying it in an Incus container, configuring PJSIP trunks and extensions, securing with TLS/SRTP and fail2ban, and running a production PBX with music on hold, call forwarding and transfers. Covers ARM (aarch64) and x86 architectures. Asterisk version: 22 LTS (supported...