Extended at commands – Multi-Tech Systems MTSGSM User Manual
Page 35

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:
AT+CBC=? for a list of supported values.
The response is +CBC: (list of supported
Error codes is returned as +CME ERROR:
Description
The AT+CBC command returns the battery connection status and the battery charge
level.
Defined values Meaning
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
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:
Error codes is returned as +CME ERROR:
Description
The AT+CGMI command returns one ore more lines of information text determined
by the phone manufacturer.
Defined values Meaning
+CBST
Select bearer service type
Syntax
AT+CBST=[
AT+CBST? returns selected bearer service
The response is +CBST:
AT+CBST=? for a list of supported bearer service types.
The response is +CBST: (list of supported
(list of supported
Error codes is returned as +CME ERROR:
Description
The AT+CBST command sets the bearer service
and the connection element
Defined values Meaning
7
9600 bps (V.32)
71
9600 bps (V.110)
0
Asynchronous modem
0
Transparent
1
Non-transparent (RLP)