Chapter 1: Product Features
December 31, 2007 AT Commands Reference Manual 1-23
+MVC
This AT command is used to choose and configure the
priority order of the supported voice codecs (vocoders).
Page 3-43
+MTTY This command is used to enable/disable the TTY (Tele Typewriter)
support in the G24.
Page 3-44
Call Status Messages
+CPAS This command displays the current activity status of the G24, for
example, call in progress, or ringing.
Page 3-46
+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
Call Advice of Charge Messages
+CAOC This command displays information about the cost of calls.
Page 3-55
+CACM This command resets the Advice of Charge accumulated call meter
value in the SIM file, EFACM.
Page 3-57
+CAMM This command sets the Advice of Charge accumulated call meter
maximum value in the SIM file, EFACMmax.
Page 3-58
+CPUC This command sets the parameters of the Advice of Charge-related
price per unit and currency table found in the SIM file, EFPUCT.
Page 3-60
+CR This command controls whether or not the extended format of an
outgoing call is displayed or not.
Page 3-61
Supplementary Services
+CSSN This command handles the enabling and disabling of supplementary
service-related, network-initiated, notifications.
Page 3-62
+CUSD This command allows control of Unstructured Supplementary
Service Data (USSD), according to GSM 02.90.
Page 3-65
+COLP This command refers to the GSM supplementary service COLP,
Connected Line Identification Presentation, which enables a calling
subscriber to get the connected line identity (COL) of the called
party after setting up a mobile-originated call.
Page 3-69
Phone and Date Books
Directory Access Commands
+CPBS This command handles the selection of the memory to be used for
reading and writing entries in G24s that contain more than one
phone book memory.
Page 3-71
+CPBR This command recalls phone book entries from a specific entry
number, or from a range of entries.
Page 3-73
+MCSN This command sets EFmsisdn in the SIM.
Page 3-81
+MDSI This command enables unsolicited reporting of indications of SIM
deactivation and invalidation.
Page 3-78
Table 1-1: AT Commands (Cont.)
AT Command Description Page
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