56K Softmodem
Command Reference
- 8
A—Answer
This command instructs the 56K Softmodem to go off-hook and answer an
incoming call.
B<value>—Communication Standard Setting
Use this command to select the communication standard used by the 56K
Softmodem.
Result codes:
OK
if <value> = 0—3, 15, 16.
ERROR
if <value> does not equal 0—3, 15, 16.
Table 3-1: B<value> Commands
C<value>—Carrier Control
This command is supported to ensure compatibility with communications software
that issues the
C1
command. However, this modem does not support the
C0
command. The
C0
command instructs some modems not to send carrier (i.e., it
puts them in receive-only mode).
Result codes:
OK
if <value> = 1.
ERROR
if <value> does not equal 1.
Table 3-2: C<value> Commands
D<dial string>—Dial
This command instructs the 56K Softmodem to go off-hook and begin the dialing
Command Function
B0
Selects CCITT V.22 mode when the modem is at 1200 bits/s.
B1
Selects Bell 212A when the modem is at 1200 bits/s (default).
B2
Deselects V.23 reverse channel (same as
B3
).
B3
Deselects V.23 reverse channel (same as
B2
).
B15
Selects V.21 when the modem is at 300 bits/s.
B16
Selects Bell 103J when the modem is at 300 bits/s (default).
Command
Function
C1
Normal transmit carriet switching (default).
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