F - 12 Flexible Ringing Assignment
Issue 6 Electra Elite
Use Memory Block 4-51 (Off-Hook Ringing Selection) to assign
Off-hook ringing to multiline terminals per station.
General:
Single Line Telephones can be assigned to ring for any line.
Single Line Telephones support Delayed Ringing.
Default values assign Attendants 1 and 2 (stations 100 and 101) to
have CO/PBX lines 01~08 ringing.