AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 175

Applications
Table 4-5. MERLIN Attendants Required
No. of
Attendants
Incoming
Required Lines/Trunks
2 1 to 6
3 7 to 9
4
10 to 12
Busy-hour
calls
1 to 25
25 to 50
50 to 100
MERLIN Attendant 4-19