Command bit dec hex Function and description
3
8
4
16
5
32
S39=
bit dec hex Bit mapped register
2
4
3
8
4
16
5
32
S40=
bit dec hex Bit mapped register
1
2
2
4
3
8
4
16
5
32
number
8
DCD ON/OFF sequence
follows UNIX standard, DCD
high before connect message is
sent, DCD off after last DCE
response is sent
10
Auto-mode fax receiving
disabled
20
Disable MNP5
4
Answer in originating mode
8
Class 2 Fax Bitfax compatibility:
+FCON at 2400 next phase at
19200
10
Class 2 Fax mode DTE shifting:
+FCON at current DTE, shift to
19,200 when entering into the
next phase
20
Disable srambler/descrambler in
V.26bis mode. Enables
compatibility with older V.26bis
modems which have no such unit
(default)
2
No result code displayed in
answer mode
Enables caller ID detection
Enables type 1 ring detection
Enables type 2 ring detection
Enables type 3 ring detection
Status Registers & Result Codes 117
Ref.
S29
&C1
S21.4
&N0
&Kn
+000
ATA
+000
Q2