3GPP TS 27.007-560

3rd generation partnership project;

technical specification group terminals;

AT commandd set for UE(User Equipment)  release 5

1. The document has these clauses below: 

Scope

References

AT command syntax

General commands

Call control commands and methods

Network service related commands

Mobile Termination control and status commands

Mobile termination errors

Commands for VGCS and VBS

2. Scope

TA, MT, TE: Terminal Adaptor, Mobile Termination, Terminal Equipment. 

abstract architecture: 

3. AT command Syntax

AT command:

ATCMD1 CMD2=12; +CMD2=,,15; +CMD2?; +CMD2=?

AT: command line prefix

CMD1: basic command

=12: subparameter

; delimited with semicolon

+: extened command, prefix with +

,,: omitted subparameter

?: read command for checking current subparameter values

: termination charactor

TA's response and result codes:

+CMD2: 3,0,15, "GSM"

+CMD: (0-3),(0,1),(0-12,15),("GSM","IRA")

OK

line1: infomation response to +CMD2?, 

line2: infor response to +CMD2=?, shows acceptable ranges of each subparameter

line3: final result code.

4. General Commands

"Generic DCE Control" commands with the prefix +G

Syntax is otherwise similar but the prefix is +CG.

...to be continued