AT Commands and S-Registers
B-15
Issue 1 April 1994
Table B-1. AT Command and S-Register List (14 of 34)
AT
Command/
S-Register
Description
S67=
n
Hardware Bypass Control
Determines under what conditions the DataPort
2001 will turn on or turn off Hardware Bypass.
Hardware Bypass connects the phone directly to
the line. In this state, the local phone can be used
as if the DataPort 2001 is powered off.
S67=0
Disable
S67=1
Bypass If DTR Drops
S67=2
Bypass Until DataPort 2001 goes
off-hook
%VF sets this to 0.
S68=
n
RI Follows Local Phone
Determines whether the RI (Ring Indicator) signal
indicates the hookswitch status of the telephone
connected to the Voice Interface Port.
S68=0
Disable
S68=1
Enable
%VF sets this to 0.
S75=
n
VoiceSpan Fast Train
Enables or disables fast training when running
VoiceSpan. (See S43.)
0 = Enable
1 = Disable
%VF sets S75 to 0.