88 AT Command Set Summaries
8 AT Command Set
Summaries
Basic AT Command Set
Command Options
Function & Description Ref.
A/ Re-execute the last command once.
A> Re-
execute the last command once or
repeat the last call up to 9 times. (See
also S8)
<any key> Terminate current connection attempt
when enter in handshaking state.
+++ Escape sequence code, entered in
data state, wait for modem to return
to command state.
All the Following Commands Require a “AT” Prefix:
Command Options
Function & Description Ref.
A Go on-line in answer mode. (See also
S39.2, S43.6)
Bn Handshake option. S28.7
B0 * Select CCITT V.22 for 1200 bps
B1 Select Bell 212A for 1200 bps
communication.
Ds Dial s (numbers and options) that
follow (see also S38.0, S35.4). The
options of s are listed as follows:
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