Nokia 9356900 issue 1 用户手册
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List of AT Commands for Nokia 22
Copyright © Nokia Mobile Phones 2001. All rights reserved.
3
AT COMMAND SYNTAX
For basic information on the AT command syntax, refer to section V.25ter and to the GSM 07.07
section 4. This chapter describes the three different AT command formats and the default value
mechanisms for their parameters.
section 4. This chapter describes the three different AT command formats and the default value
mechanisms for their parameters.
3.1 Register
commands
Table 2. Register command format in command
description subsections
description subsections
Command
Response
<n> values
Set
Sn=<n>
x..y (default z)
Read
Sn?
<n>
xxx..yyy
The register command factory default value (&F) is given in parentheses under the column ‘<n>
values’. The existence of a register command can be queried by giving a command without equal
or question marks (i.e. ATS3 returns OK, but it does not change the <n> setting). <n> cannot be
omitted when its value is set (i.e. ATS3= returns ERROR).
values’. The existence of a register command can be queried by giving a command without equal
or question marks (i.e. ATS3 returns OK, but it does not change the <n> setting). <n> cannot be
omitted when its value is set (i.e. ATS3= returns ERROR).
3.1.1 Basic
commands
Table 3. Basic command format in command description
subsections
subsections
Command
Description
Set/execute
CMD[x]
for value x
CMDy
for value y
The commands D (dial), A (answer) and O (return to online data state) include also columns for
possible result codes.
possible result codes.
The basic command (no ‘+’ prefix) &F default value is underlined. If no value is underlined, the
setting of that command is not stored in the non-volatile memory (the command &Y is an
exception). If the command parameter is in brackets (usually zero), the parameter can be omitted.
setting of that command is not stored in the non-volatile memory (the command &Y is an
exception). If the command parameter is in brackets (usually zero), the parameter can be omitted.
3.1.2 Extended
commands
Table 4. Extended command format in command description subsections
Command
Response
Default
+cme error/+cms
error
error
Set/execute
+CMD[=<x>,...]
[+CMD: <y>,...]
[x,...]
[x]
Read
+CMD?
+CMD: <z>[,...]
[x]
Test
+CMD=?
[+CMD: ...]
[x]
The extended command (‘+’ prefix) parameter default values are given in a separate column. If the
default value is not in brackets, the default value is the &F default value of the corresponding
parameter. When such a parameter is omitted from a command, its value remains the same as
before. If the default value is in brackets, this value shall be used when the parameter is omitted
default value is not in brackets, the default value is the &F default value of the corresponding
parameter. When such a parameter is omitted from a command, its value remains the same as
before. If the default value is in brackets, this value shall be used when the parameter is omitted