Technical information

Technician’s Handbook
106
Test Line Tones
Approximately ten seconds after the maintenance person enters the test
line access code on the test line set, a short ring burst, followed by dial
tone is heard, indicating that the system is waiting for the command input.
After the maintenance person enters a command sequence, the returned
tone, described in Table 18, indicates the result of the action performed.
Table 18: Test Line Status Tones
Tone Type Meaning
Dial tone System is waiting for command input.
Camp-on tone (single beep)
The attempted operation was
successful (Pass).
Reorder tone
The attempted operation was
unsuccessful (Fail). See Note after
Table 10.
Trunk camp-on tone
(double beep)
Test was inconclusive.
Ringback tone
(single beep or ring)
Initial maintenance access.
Busy Tone Device was busy. Try again later.