I made sure my trunk was unregistered any more at my provider.
Added Parameter: useragent and Value: Asterisk PBX
https://imgur.com/gA3CGAC
Tried this serveral time, even renamed parameter once to sipuseragent
(did a save/update and reload after every change!)
But my trunk provider keep showing SIP user agent: VitalPBX
https://imgur.com/a/kOog9WR
So, are you really really really really sure? ?
