E AT Command Summary

CommPlete Communications Server 75

Appendix E AT Command Summary
Command Values Description
AT n/a Attention Code
The attention code precedes all command lines
except A/, A: and escape codes.
RETURN n/a RETURN Key
Press the RETURN (ENTER) key to execute most
commands.
An/a Force Answer Mode
Answer call immediately without waiting for ring.
A/ n/a Repeat Last Command
Do not precede this command with AT. Do not press
RETURN to execute.
A: n/a Continuous Redial
Continuous redial of last number until answered. (10
redials in North American models. Not used on
International or U.K. models.)
&Ann = 0 or 1 Answerback
*** &A0 Answerback off.
&A1 Answerback on.
$Ann = 0 or 1 Auto-Reliable Buffering
*** $A0 Discard data received during establishment of
reliable connection
$A1 Buffer data received during establishment of
reliable connection
#Ann = 0–3 Auto Speed Detection in Answer Mode
*** #A0 Start at maximum speed and fall back to 14400
to 12000 to 9600 to 4800 to 2400 to 1200 to 300
bps.
#A1 Maximum speed only.
#A2 Start at maximum speed and fall back
incrementally to 4800 bps only.
#A3 Start at 2400 bps and fall back to 1200 to 300
bps only.
Bnn = 0 or 1 Answer Tone (International models only)
*** B0 Select ITU-T V.21 answer tone.
B1 Select Bell 103 answer tone.
&BSnn = 0 or 1 Maximum Reliable Block Size
&BS0 Maximum transmit block size of 64 characters.
*** &BS1 Maximum transmit block size of 256 characters.