Appendix F – Modem AT Commands
AT Commands
Command:
AT
Attention Code
Values:
N/A
Description:
The attention code precedes all command lines except A/, A: and escape sequences.
Command:
ENTER Key
Values:
N/A
Description:
Press the E
Command:
A
Answer
Values:
N/A
Description:
Answer call before final ring.
Command:
A/
Repeat Last Command
Values:
N/A
Description:
Repeat the last command string. Do not precede this command with AT. Do not press E
to execute.
Command:
Bn
Communication Standard Setting
Values:
n = 0–3, 15, 16
Default:
0 and 15
Description:
B0
B1
B2
B3
B15
B16
Multi-Tech Systems, Inc. MultiAccess User Guide
(R
) key to execute most commands.
NTER
ETURN
Select ITU-T V.22 mode when modem is at 1200 bps.
Select Bell 212A when modem is at 1200 bps.
Deselect V.23 reverse channel (same as B3).
Deselect V.23 reverse channel (same as B2).
Select V.21 when the modem is at 300 bps.
Select Bell 103J when the modem is at 300 bps.
Appendix F – Modem AT Commands
NTER
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