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IVX
F
23
UNCTION
F
UNCTION
F
UNCTION
CO L
P
INE
ARAMETERS
231
L
R
INE
ECEIVE
Many variables can affect the volume of the CO Lines. Weak
lines can reduce IVX's ability to properly detect DTMF dialed by
an outside caller. Conversely, "hot" lines can cause DTMF dis-
tortion and/or increase the opportunity for message talk-off (eg
messages being cutoff before completion). The ideal setting is
when a message recorded from an outside call has the same
playback volume as the system prompts.
This function can be used to adjust the receive volume of the
CO lines to help compensate for hot lines. The range is 0 (low-
est) to 12 (the highest gain possible). Default = 12
232
L
O
INE
PEN
If an open loop interval is available from the CO, IVX can be set
to detect the open loop interval and disconnect more quickly.
This will also allow the system to drop abandoned calls from
Park and Hold and to reduce the possibility that abandoned calls
could create messages that are silent or contain CO generated
tones.
Since open loop intervals generated by the CO may vary in
duration, use this function to program IVX to match the CO open
loop interval. If this programmed value is set too low, IVX may
falsely interpret static or a momentary loop break as an open
loop and disconnect a caller in the process of leaving a mes-
sage. If this value is set too high, IVX may not detect a valid
open loop signal for fastest call processing.
The range is 1 to 255 in 10ms steps. 0 will turn Open Loop
Detect off. Default = 6 (60ms)
P
ROGRAMMING
V
OLUME
L
I
OOP
NTERVAL
4.13
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