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AT*ND—Displays the stored numbers (1-9).
Phone numbers stored using AT commands are limited to 34 characters.
6.12.6 R
/R
ETAINING
ESTORING
This option is used when the modem is shared by two or more DTEs. When options are retained, the
current configuration is not altered at disconnect. With options restored, the modem returns to the
previously stored configuration on disconnect.
When the modem is configured for options to be restored, the following commands return OK but are
not executed:
AT*CN
Store telephone number
AT&Z
Store telephone number
AT&F
Recall factory configuration
AT&W
Store current configuration
Command
*RO
*RO1
†default
6.13 Remote Configuration
6.13.1 S
C
ECURITY
ODE
A security code is used to prevent unauthorized access to remote configuration mode. The security code
can be set to any value from 0 to 99999999 using the AT%P= <desired code> command.
Example: If the remote modem security code is 12345, then the local modem must include this code in
the initialization string before the remote modem will respond. Default security code= <Blank>.
Command
%P=
%P?
%P=D
O
(*RO)
PTIONS
Table 6-42. Retaining/Restoring Options (*RO).
Operation
Retain options at disconnect†
Restore options at disconnect
(%P=)
Table 6-43. Security Code (%P=).
Operation
Sets security code to value entered after equals character.
Example: %P=<0 to 99999999>
Request local security code to be displayed
When the security code equals D, access for remote configuration by a
remote modem is not possible
CHAPTER 6: Asynchronous Operating Commands
NOTE
8 5
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