Specifications

.
Operation
IMI 66-031 e
STATION OPERATING CONDITIONS
VOLUME CONTROL (RINGER)
A station user can adjust the loudness of the tone ringer at a
station. The control for doing this is located on the bottom of the
telephone set.
Adjust the lever control toward the center of the
telephone housing to increase the loudness and toward the edge of the
telephone housing to decrease the loudness.
DISTINCTIVE RINGING (RINGING PATTERNS)
There are four distinctive ringing patterns in the system. They are
described below.
1. m u The ring pattern provided by the host system.
2.
&~a= au Sinnallina The tone signalling ring pattern is two
tone bursts sounded every four seconds.
A voice signalling ring pattern is two
4. ’
F
iiu2ad &z&P
one bursts
?ib
l The timed hold recall ring pattern is three
soun ed at the end of each recall period at the
station that put the call on hold.
INTERCOM CALL PROGRESS TONES
There are five intercom tone patterns as follows:
1.
2.
3.
4.
5.
il2Jhaaa BAaa
Tonel The intercom dial tone is a continuous tone.
rnsgn;Q3 a&ler
Backr The intercom ring back tone is two tone bursts
sounded every
4 seconds
Bing && When a called station is busy on an
two tone bursts sounded every second is received at
the calling station. These tone bursts also signify that the
called station cannot be voice signalled.
Z?!$7!e"&+H+~ *
urst wi
J&& When voice signalling is activated,
1 sound to indicate that the caller should
proceed with the voice announcement.
aa J&U as One tone burst is sounded every second when
called station is busy on an intercom call or does not exist.
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