error communication, change this bit to "1".
1
Alarm when the handset is
off-hook at the end of
communication
0: Disabled
1: Enabled
If the customer wants to hear an alarm if the
handset is off-hook at the end of fax
communication, change this bit to "1".
2-3 Not used Do not change the settings.
4
Sidaa manual calibration
setting
0: Off
1: On
1: manually calibrates for communication with a
line whose current change occurs such as an
optical fiber line.
5-7 Not used Do not change the settings.