Pocket Modem 56k
AT commands
Dezember 05
41
Command Description
AT*N<n>=<nr>
Permitted numbers for selective call acceptance
Definition of 8 authorized phone numbers, for which modem access is permitted. Only
if the transmitted phone number matches a phone number that was entered in the list
will the modem report RING for an incoming call or will accept the call according to the
settings of
ATS0
(the line RI is activated with each call, irrespective of that fact).
The
selective call acceptance is switched on and off with
AT&A
.
AT*Nn=<nr>
<n>
Describes the storage location – range of values: 0..7 .
<no>
Permitted phone number consists of numbers and the wild card
“*” for exactly one character. The phone number may not contain
separators such as brackets or space characters. After they were
entered, the phone numbers are immediately saved in the power
fail-safe memory of the modem.
AT*N<n>=<nl>
The memory
N<n>
allows all phone numbers ending in
<nl>
.
AT*N99=
Deletes all existing entries in the list
AT*N?
Displays all stored entries
Example:
AT*N5=1234
allows all calls ending with
1234
.
e.g.:
0175/999
1234
, 0941/888
1234
or +4940/777
1234
AT*N1=01234567**
permits all calls from the block of numbers
01234567-00 to 01234567-99
AT*N99=
Delete the list of permitted phone numbers for the selective call answer
The command
AT*N99=
deletes the entire list of phone numbers for the selective call
answer.
AT*N?
Output of the list of permitted phone numbers
AT*N?
activates the output of the entire saved list of permitted phone numbers for the
selective call answer.
AT&N
Output of the last rejected phone number
For active selective call answer (
AT&A1
) , the last phone number, whose call was
rejected, will be displayed. This phone number is not saved in the power fail-safe
memory of the modem.
AT%N
Output of the last rejected phone number
For active selective call answer (
AT&A1
) , the last phone number, whose call was
rejected, will be displayed. This phone number is not saved in the power fail-safe
memory of the modem.
ATO<n>
Return to online data mode
If the modem is in online command mode, it will return to online data mode. If the
modem is in offline command mode, it will report
ERROR
.
ATO0
Return to online data mode
ATO1
Before the modem switches to online data mode, a retrain procedure is
provoked.
