Appendix A: Reference Tables

 

Table A-1: AT Commands (Alphabetical) (Cont.)

 

 

 

 

 

AT Command

Description

Page

 

 

 

 

 

 

 

 

 

+CRSM

This command provides limited

Page 3-216

 

 

access to the Elementary Files on

 

 

 

the SIM.

 

 

 

 

 

 

+CRTT

This command plays one cycle of

Page 3-173

 

 

a ring tone, stops the cycle in the

 

 

 

middle, and sets the ring tone to

 

 

 

be used.

 

 

 

 

 

 

+CSCA

This command handles the

Page 3-78

 

 

selection of the SCA and the

 

 

 

TOSCA.

 

 

 

 

 

 

+CSCS

This command selects the G24-L

Page 3-4

 

 

character set.

 

 

 

 

 

 

+CSDH

This command shows the Text

Page 3-81

 

 

Mode parameters.

 

 

 

 

 

 

+CSMP

This command sets the Text

Page 3-79

 

 

Module parameters.

 

 

 

 

 

 

+CSMS

This command handles the

Page 3-75

 

 

selection of the SMS service

 

 

 

type.

 

 

 

 

 

 

+CSNS

This command handles the

Page 3-34

 

 

selection of the bearer or

 

 

 

teleservice to be used when a

 

 

 

mobile terminated single

 

 

 

numbering scheme call is

 

 

 

established.

 

 

 

 

 

 

+CSSN

This command handles the

Page 3-50

 

 

enabling and disabling of

 

 

 

supplementary service-related,

 

 

 

network-initiated, notifications.

 

 

 

 

 

 

+CSQ

This command returns the signal

Page 3-117

 

 

strength received by the G24-L.

 

 

 

 

 

 

+CSVM

This command handles the

Page 3-66

 

 

selection of the number to the

 

 

 

voice mail server.

 

 

 

 

 

 

+CTFR1

This command terminates an

Page 3-37

 

 

incoming call and diverts the

 

 

 

caller to the number previously

 

 

 

defined in CCFC, or to a voice

 

 

 

mail if one exists for the

 

 

 

subscriber.

 

 

 

 

 

 

+CUSD

This command allows control of

Page 3-53

 

 

Unstructured Supplementary

 

 

 

Service Data (USSD), according

 

 

 

to GSM 02.90.

 

 

 

 

 

April 15, 2008

G24-L AT Commands Reference Manual

A-9

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