In the extensions section of freepbx, edit each of the three peoples extension and add to the mailbox entry.
So if you want xtns 101, 102 and 103 notifying of their own VM and VM in xtn 111, then change the mailbox extry from 101@device to 101,111
In the extensions section of freepbx, edit each of the three peoples extension and add to the mailbox entry.
So if you want xtns 101, 102 and 103 notifying of their own VM and VM in xtn 111, then change the mailbox extry from 101@device to 101,111