Quote Originally Posted by burris View Post
These are the settings on my 502 relating to call timing. Don't know if this is relevant. All of mine are set to no..

Caller Request Timer: No Yes (Request for timer when making outbound calls)
Callee Request Timer: No Yes (When caller supports timer but did not request one)
Force Timer: No Yes (Use timer even when remote party does not support)
AFIAK, these settings should do the trick (for VOIPo openser configuration)