Asterisk 20.21.0 app_queue deadlock with shared_lastcall enabled

[miguel]

This is addressed in the latest vitalpbx update.

VitalPBX 4.5.4 R2 Released: Smarter Realtime AI Agents

We are excited to announce the immediate availability of VitalPBX 4.5.4 Release 2! This release delivers major reliability and intelligence upgrades across the entire platform. Highlights include an upgraded Asterisk v20.21.0 R2 engine fixing a critical queue deadlock issue, native Caller ID pass-through and audio flow control for Realtime AI Voice Agents, refined hot desking caller ID handling, and more. Critical Engine Upgrade: Asterisk v20.21.0 R2 (app_queue Deadlock Fix) For call…