Nortel Meridian 1 Planning, Installation And Operating Instructions page 472

Chapter 25 — Fault locating and clearing
Table 59
User report indications
User report
Major alarm reported by attendant
No ring on 500/2500-type telephones
Major alarm reported by attendant
Minor alarm reported by attendant
Users cannot transfer or conference
Users cannot dial out on 500/2500-type
telephones
Trouble with calls on attendant console
Trouble with calls on telephones
Users have trouble with a specific trunk
Callers report continuous ringing
Trouble with calls on console and/or
telephones
Trouble with calls
Trouble with equipment (such as handset,
headset, or display)
Trouble with calls
Trouble with equipment (such as handset or
add-on module)
Option 11C Compact Planning, Installation, Fault Clearing and CCBR Guide
Page 453 of 536
Type of fault
Power
Common equipment
Common equipment
Peripheral equipment
Trunk
Attendant console
Telephone