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3.3.1
Hardware Settings
Disconnect Time
Dial Mode
Calling Party Control
(CPC) Signal
The calling party control signal is the minimum time nec-
essary to detect the break of the CPC signal from PBX.
The VPS detects that the line is disconnected when there is
a break of CPC signal. The CPC signal is set to NONE at
the factory, but can be set to 6.5, 150, 300, 450, 600 msec
and not to direct.
This is the amount of time that the line is temporarily
unavailable after a call has ended. The disconnect time is
set to 2 seconds at the factory, but can be set from 1 to 8
seconds.
The System Administrator can choose either DTMF or
pulse dialing modes. DTMF is automatically set at the fac-
tory. Should the System Administrator decide to set the
dial mode to pulse dialing, he must specify the pulse speed,
(10 pulses per second or 20 pulses per second).
3.3.1.3
Silence Reduction
For most effective use of the hard drive, the silent segments
or sections on a recording where there is no speaking, are
automatically erased by the VPS. The System Administra-
tor specifies the level limitation for silent segment erasure
and maximum silent segment recording time.
Silence Reduction Level
Silence Recording Time
This is the level limitation for detection of silent segments.
If one such frame is below the limitation, it is regarded as
a silent frame.
In order to reduce the data size, a sequence of the number
of silent frames will be recorded in the silent segment in
place of voice data.
One of the parameters to be set is the maximum recording
time of a message. Should a caller leave a message that is
longer than the maximum recording time, he will be cut
off. Often this is due to the fact that the silent segments
take up recording time, and so, with the Silence Recording
Time function, these are erased, thus allowing the entire
message to be included within the recording time.
M-3-8
System Administrator
Manager 's Guide
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