asterisk uplift to 18.11.2

Merge asterisk 18.11.2 into devel (which is based on 18.5.1)

requested review from @Yalu

assigned to @jani

@AGnau @piotr.kubik FYI

requested review from @slujagrz and removed review request for @Yalu

I have tested an OpenWrt22.03-based image with this MR and I could hear monkeys on NVG678XY. Good work, Jani!

added 2 commits

• c6852c75 - 1 commit from branch devel
• 07087f89 - Merge asterisk '18.11.2' into devel

Compare with previous version

I verified all our changes from previous version of asterisk are in place.

merged