Chapter 1: Product Features
December 31, 2007 AT Commands Reference Manual 1-21
AT Commands Summary
The following list contains a summary of all the G24 AT commands sorted by functionality.
Table 1-1: AT Commands
AT Command Description Page
Modem ID
Subscriber Unit Identity
+CGMI This command displays manufacturer identification.
Page 3-1
+GMI This command displays manufacturer identification.
Page 3-1
+FMI This command displays manufacturer identification.
Page 3-1
+CGMM This command displays the model identification.
Page 3-2
+GMM This command displays the model identification.
Page 3-2
+FMM This command displays the model identification.
Page 3-2
+CGMR This command displays the revision identification.
Page 3-3
+GMR This command displays the revision identification.
Page 3-3
+FMR This command displays the revision identification.
Page 3-3
+CGSN This command displays the product serial number identification.
Page 3-3
+GSN This command requests the product serial number identification.
Page 3-3
+CSCS This command selects the G24 character set.
Page 3-4
+CIMI This command displays the International Mobile Subscriber Identity
number.
Page 3-6
+CFSN This command displays the factory serial number.
Page 3-6
I This command displays various G24 information items.
Page 3-6
+CNUM This command displays up to five strings of text information that
identify the G24.
Page 3-7
$ This command displays a list of all the AT commands supported by
the G24.
Page 3-8
+CLAC This command displays a list of all the AT commands supported by
the G24.
Page 3-9
Call Control
Call Control Commands
D This command places a voice call on the current network, when
issued from an accessory device.
Page 3-13
D> This command places a voice/fax/data call on the current network
by dialing directly from the G24 phone book.
Page 3-14
DL This command places a voice call to the last number dialed.
Page 3-16
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