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AT Command Set and S-Registers
Table 4-1. AT Command Reference (16 of 18)
AT
Command Description
&Z n = x
STORE TELEPHONE NUMBER
This command stores telephone number x into directory n .
n = 0–3 (the directory location in which to store
the number).
x = A telephone number and dial modifiers.
Up to 40 characters from the following set:
0–9, A, B, C, D, #, *, T, P, R, W, @, ,, !, ;
The total number of characters allowed for x , for all four
directory locations, is 40. Therefore, you can have one
directory entry of 40 characters, or four directory entries that
total up to 30 characters combined.
%A n
SET ERROR CONTROL FALLBACK CHARACTER
This command allows you to change the ASCII value of the
error control fallback character. This character is used to
force the modem to return (or fall back) from an
error-correction mode.
Sending this character allows a remote user with a non-error
control modem to force an immediate connection in Buffer
mode (instead of waiting for the V.42/MNP negotiation timer
to expire before falling back to Buffer mode).
A space or carriage return (13) is usually chosen for the
fallback character.
n = 0–127 (ASCII character code).
The factory setting is 13.
Issue 2
May 1995
4-17
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