DIfference of assigning primary extension in end user page and when associating User in Line configuration

[puneet559]

Hello Team,

Difference in assigning primary extension in end user page and when associating User in Line configuration. What is difference in both. I know use of assigning primary extension in end user page but i don't know use when we associate user in Line configuration page.

Thanks
Puneet 

[Chris Deren]

The user assignment on device is mainly for licensing purpose and also drives some CDR reports.

Assignment on DN is for presence purposes if you use IMP, etc with phone presence.