Chapter 1: Product Features
December 31, 2007 AT Commands Reference Manual 1 -27
+MCWAKE This command displays reports on the status of the GPRS/GSM
coverage. Page 3-202
+MGGIND This command configures the service indicator on pin 49 of the 70
pin connector to be GPRS or GSM. Page 3-203
+CFUN This command shuts down the phone functionality of smart phones
and PDAs with phone capabilities. Page 3-204
+ICF This command determines the local serial port start/stop
(asynchronous) character framing used by the DCE when accepting
DTE commands and transmitting information text and result codes.
Page 3-205
S97 This command indicates whether an antenna is physically connected
to the G24 RF connector. Page3-206
+MRST This command enables customer software to perform a hard reset to
the G24 unit. Page3-207
+TWUS This command is used to set the wakeup reason(s). Page 3-207
+TWUR This command is used to query the wakeup reason(s). Page 3-209
+TASW This command controls the antenna switch mechanism. Page 3-209
+TADIAG This command queries actual ADC values of the antennas. Page 3-210
READY This unsolicited notification indicates UART is ready. Page 3-211
+MPSU This command defines the functionality of the second physical
UART. Page3-211
+MIOC This command defines the G24 8 GPIO pins data value. Page 3-213
+MIOD This command defines the G24 8 GPIO pins configuration. Page 3-217
+MMAD This command reads and monitors digital value from a specified
ADC. Page 3-219
+MPCMC This command defines whether the PCM clock is generated
continuously or not, when module is in digital audio mode. Page 3-226
+MVREF This command defines the behavior of Vref regulator. Page3-227
Audio
General Audio Setup Commands
+CRTT This command plays one cycle of a ring tone, stops the cycle in the
middle, and sets the ring tone to be used. Page 3-247
+VTD This command handles the selection of tone duration. Page 3-250
+VTS This command transmits a string of DTMF tones when a voice call
is active. Page3-251
+CALM This command handles the selection of the G24’s alert sound mode. Page 3-245
+MDMIC This command enables/disables the setting of microphone gain
values by +MMICG in digital audio mode. Page 3-246
+MMICG This command handles the selection of microphone gain values. Page3-2 46
Table 1-1:AT Commands (Cont.)
AT Com man d Description Page