Hello MWR,
My own Trio is running 5.4.3 and I do not see the 911 being offered. If locked and no authorized numbers then there is no number.
Is this LYNC or SIP ?
For the other question in regards of the parameter please have a look here:
Mar 08, 2013 Question: Where can I download configuration files from or create these myself?
Resolution: Please check => here <=
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services
