You will still need to configure the "full boat" if you want the notification to work. What happens to to trigger a notification is the actual call hitting CER from CUCM. The ERL has information tied to notification. If no call hits the ERL or came from the ERL, then there is no notification to be sent out. You can still have the calls go out there designated FXO ports on the routers, but you will need to set this all up.
Another solution, not sure on CUCM 6 there is a way to do this, but the CDR records will hold the 911 call. If a third party software has access to the CDR records in real-time (I know most of it is only FTP flat file from CUCM) it could possibly notify.
But to answer your question, you will need to configure the ELINs, ERL, etc for notifications to work.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...