Comdial ExecuTech System 2000 User Manual page 51

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INTERCOM CALL PROGRESS TONES
(Heard through handset receiver or over monitor speaker)
Dial Tone
Continuous on
-I
Called station ring-back
One sec. on
and 3 sec. off.
L
Base level
program entry
System speed dial
entry confirmation
80 msec. tone burst
soundedonce
Vight transfer active
xmfirmation
Memory dial intercom,
line, group and/or recall
selection confirmed
All-call page
selection confirmed
n
PA station pofi/line port
selection confirmed
Error tone -
500 msec. lone burst
incorreCt entry sounded three times m J
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