I install license MultiPoint for Group 700. But It can 6 point to can not 8 point.
I used one Group 700 and 7 RealPresence desktop
We need more information.
What version of Group Software ?
Were you able to get the 7th call connected and not see the person or did it fail to connect.
If it failed to connect, you may want to check with your reseller about support. You or They will need open a ticket with Polycom support.