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Chapter 5 - AT Commands, S-Registers, and Error Codes
MTSGSM
35
Extended AT Commands
+CBC Battery charge
Syntax AT+CBC for battery charge
The response is +CBC: <bcs>,<bcl>
AT+CBC=? for a list of supported values.
The response is +CBC: (list of supported <bcs>),( list of supported <bcl>)
Error codes is returned as +CME ERROR: <err>:
Description The AT+CBC command returns the battery connection status and the battery charge
level.
Defined values Meaning
<bcs>
0 Phone is powered by the battery
1 Phone has a battery connected, but is not powered by it
2 Phone does not have battery connected
3 Recognized power fault, calls inhibited
<bcl>
0 Battery is exhausted or phone does not have a battery connected
1.100 Battery has 1-100 percent of capacity remaining
+CGMI Request manufacturer identification
Syntax AT+CGMI used to get phone manufacturer.
The response is +CGMI: <manufacturer>
Error codes is returned as +CME ERROR: <err>:
Description The AT+CGMI command returns one ore more lines of information text determined
by the phone manufacturer.
Defined values Meaning
<manufacturer>Information text determined by the phone manufacturer
+CBST Select bearer service type
Syntax AT+CBST=[<speed>[,<name>[,<ce>]]] used to set bearer service.
AT+CBST? returns selected bearer service
The response is +CBST: <speed>[,<name>,<ce>]
AT+CBST=? for a list of supported bearer service types.
The response is +CBST: (list of supported <speed>), (list of supported<name>),
(list of supported <ce>)
Error codes is returned as +CME ERROR: <err>:
Description The AT+CBST command sets the bearer service <name> with data rate <speed>
and the connection element <ce> to be used when data calls are originated.
Defined values Meaning
<speed>
7 9600 bps (V.32)
71 9600 bps (V.110)
<name>
0 Asynchronous modem
<ce>
0 Transparent
1 Non-transparent (RLP)