Missed calls and ring groups?
Mark Answered Elsewhere - You can mark calls answered elsewhere [always] or when a user actually answers a call.
When someone answers the call...
Always?
Yes
No phone shows a missed call.
No
All phones show a missed call, except the one that answered it.
When no one answers the call ...
Always?
Yes
All phones show a missed call.
No
All phones show a missed call.
Source: https://community.freepbx.org/t/ring-groups-and-missed-calls/71241/4