Spent a little more time looking at this today. Adjusted a few more obi-expert settings I thought might help.
Looks like the expiration is set right (900secs/15min) from inspecting the active registrations on twilio.
However it also looks like the Obitalk202 is trying to register every 20 seconds (creation time stamps for sip registrations 20 seconds apart).
I started thinking maybe the Obitalk box was retrying on failure too much, so spaced that out (although if everything else is working, that shouldn't be an issue).
Also thought if the expiration on twilio's end was out of sync with that on obitalk's end...then obitalk tries to re-register because it thinks it doesn't have a valid registration anymore...but twilio still has those registrations as active.
Anyway, the settings don't seem to have any effect. Still getting lots of errors in the twilio console related to this.
Happy to have other ideas.
