We had a setup where a 2N video doorbell was calling a Yealink T58 using Asterisk 13 + PJSIP on both extensions.
Video was working perfectly.
Now we simply upgraded Asterisk to Asterisk 18 (using asterisk-version-switch)… And we don’t have video anymore.
When switching the endpoints to CHAN_SIP, video is again working on Asterisk 18.