Specifications

AT Command Set for L55 Platform 2003-11-21

1 General information

This document constitutes the manual reference to the AT command set supported by

S45 Siemens mobile phones.

1.3 Abbreviations and glossary

The following abbreviations and terms are used throughout this specification:

Abbreviation / Term Meaning

FDN Fixed dialling numbers

IMEI Internatonal Mobile Station Equipment Identity

PDU Packet Data Unit

PIN Acronym for “Personal Identification Number”

PUK Acronym for “PIN Unblocking Key ”

SIM

UDI

1.4 Notational Conventions

The following notational conventions apply throughout this manual:

• Letters and digits in Courier New indicate parameter names and values

• Underlined

digits indicate the default value of the parameter at hand

• Double quotes (“) are used to indicate text strings

• Symbols (e. g. @) inside quotes are interpreted as text strings

• Strings which are not included in double quotes must be separated by comma

• Spaces inside strings are ignored unless they are included in double quotes

Further conventions applying to the presentation of AT commands are outlined in section 2.2.

1.5 Other conventions

The following other conventions apply throughout this manual:

• Leading zeroes in strings can be omitted

• If an optional parameter ([<value>]) is omitted in V.25ter commands, the value 0 is assumed

• Although the names of commands are not case-sensitive, cases should not be mixed. Either “AT”

or “at” should be specified, but neither “aT” nor “At”.

1.6 Related documentation

All documents listed in this section are related to the current document.

1.6.1 Related Siemens-internal documentation

No Siemens-internal documents are related to the current document.