Siemens 600 Series - Manual (Page 144)

7–6 ROLMphone 300/600 User Guide
Bad Line Reporting
If you have a bad connection with an external call,
Bad Line Reporting lets you report the bad connection
so that it is logged at the CBX. This provides general
information for service technicians.
You may also want to explain the problem in detail to
your company repair service.
Your company’s repair service number _______.
To report a bad
line ➩ Ask the other party to hold.
➩ Press the Bad Line (BADLINE) key, or press
TRANSFR and dial * 5 6 3.
➩ Continue your conversation.
After you hang up, dial your company’s repair service
number and describe the problem.