Chapter 2: Introduction to AT Commands
June 30, 2008 AT Commands Reference Manual 2-11
+CLCC This command displays a list of all current G24 calls and their
statuses, and also enables/disables the unsolicited indication of the
call list.
Page 3-47
+CLVL This command sets the volume of the internal loudspeaker of the
G24. Page 3-238
+CMEE This command enables/disables the use of result code +CME
ERROR: <err> as an indication of an error relating to the
functionality of the G24.
Page 3-296
+CMER This command enables an external accessory to receive key press
information from the G24’s internal keypad. Page3-321
+CMGF This command handles the selection of message formats. Page3-101
+CMUX This command is used to enable/disable the GSM MUX
multiplexing protocol stack. Page 3-446
+CNMI This command sends an unsolicited indication when a new SMS
message is received by the G24. Page 3-107
+CPAS This command displays the current activity status of the G24, for
example, call in progress, or ringing. Page3-46
+CPIN This command is only relevant for phones that use SIM cards. It
unlocks the SIM card when the proper SIM PIN is provided, and
unblocks the SIM card when the proper SIM PUK is provided.
Page 3-258
+CRC This command controls whether to present the extended format of
the incoming call indication. Page 3-19
+CRSM This command provides limited access to the Elementary Files on
the SIM. Page 3-309
+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 3-252
+CSDH This command controls whether detailed header information is
shown in text mode result codes. Page 3-106
+CSMP This command sets the Text Module parameters. Page 3-104
+CSQ This command returns the signal strength received by the G24. Page3-169
+EMPC This command unlocks or resets the first PLMN of the
inserted SIM. Page 3-267
+EPIN This command is only relevant for phones that use SIM cards. It
verifies the PIN2 indicator. Page 3-261
+FMI This command displays manufacturer identification. Page 3-1
+FMM This command displays the model identification. Page 3-2
+FMR This command displays the revision identification. Page 3-3
+GCAP This command requests the overall capabilities of the G24. Page 3-202
+GMI This command requests manufacturer identification. The command
is not supported when the SIM is missing. Page3-1
Table 2-1:Core AT Commands (Cont.)
AT Command Description Page