Specifications

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Call waiting tone
Three 80 msec. tone bursts
soundedonce
Called station in do-not- 140 msectone burst
disturb mode
sounded twice every
1.5 sec.
Call-back busy feature on 260 msec. tone burst
soundedonce
I
System is awaiting
80 msec. tone bursts sounded
memory dial number
continuously
or key mapping entry
lln_
after location is specified
Override feature on
- warning tone
Six 100 msec tone bursts
sounded for 1.5 sec.
iOHVA tone
NSD ringback tone Dual 440/460 Hz tone
sounded 1 sec.on/l set off
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d- 4 ,
)ISD dial tone 381 Hz tone sounded
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continuously
I
rISD confirmation tone Two 125 sec. bursts
of 381 Hz tone sounded once
IISD busy/error tone Three 500 msec. bursts
of 381 Hz tone sounded once