System information

SETTING UP THE APPLICATION 59
Simulate disconnect tone.
1 Go off-hook on a single-line set and dial
the other extension.
2 Answer the ringing set, and then imme-
diately go on-hook.
3 Note how long before the disconnect
tone begins.
Tip If you will be setting up Lingo for other
sites with the same telephone system,
programmed identically, you can reuse the
results recorded on the Tone Analysis
Worksheet.
LEARNING CALL PROGRESS TONES
Task Result
❑ Disconnect tone begins immediately.
❑ Disconnect tone begins after _______
seconds. Adjust system option 573.
Simulate do-not-disturb tone.
1 Activate the do-not-disturb mode on the
first single-line set and leave it on hook.
2 From the second single-line set, dial the
first extension.
3 Note how long before the do-not-
disturb tone begins.
❑ Do-not-disturb tone begins immediately.
❑ Do-not-disturb tone begins after _______
seconds. Adjust system option 574.
❑ Disconnect tone lasts five seconds or six
tones.
❑ Disconnect tone lasts less than five
seconds or fewer than six tones. Adjust
the telephone system programming.
4 Note whether you hear the disconnect
tone for a minimum of five seconds or
six tones.
❑ Do-not-disturb tone lasts six tones.
❑ Do-not-disturb tone lasts fewer than six
tones. Adjust the telephone system
programming.
4 Note whether you hear the do-not-
disturb tone for a minimum of six tones.