A
AT
A/
A
Bn
D
Dn
E
En
F
H
Hn
I
In
Ln
Mn
Nn
On
P
Q
Qn
Sr=n
Sn?
T
Vn
Wn
Xn
Z
+++
Answer Mode Command.
Attention Code.
Repeat Last Command.
Answer Command.
Communications Standard Option.
Dial Command.
Dial Command.
Echo Command.
Command Echo Option.
Online Echo Command.
Hook Control.
Hook Control Option.
Request ID information.
Request Identification Option.
Monitor Speaker Volume.
Speaker Control Option.
Modulation Handshake.
Online Command.
Pulse.
Result Code Control.
Result Code Suppression.
Write to an S Register.
Read an S Register.
Tone Dial.
Result Code Form Option.
Compatibility Check.
Result Code Set/Call Progress Option.
Reset Command Option.
Escape Code Sequence.