Siemens M20 Terminal User Manual

AT command interface
Version 8 dated 15.03.00 58
Siemens Information and Communication Products
A
AT+CAOC Advice of Charge information
Test command
AT+CAOC=?
Response
+CAOC: list of supported <mode>s OK
Parameter
see execute command
Read command
AT+CAOC?
Response
+CAOC: <mode> OK
Parameter
see execute command
Execute command
AT+CAOC=
<mode>
Response
TA sets the Advice of Charge supplementary service function mode.
If error is related to ME functionality:
+CME ERROR: <err>
If <mode>=0, TA returns the current call meter (CCM) value
+CAOC: <ccm> OK
If <mode>=1, TA deactivates the unsolicited reporting of CCM value
OK
If <mode>=2. TA activates the unsolicited reporting of CCM value
OK
Parameter
<mode> 0 query CCM value
1 deactivate the unsolicited reporting of CCM value
2 activate the unsolicited reporting of CCM value
<ccm> string type; three bytes of the current CCM value in hexadecimal
format (e.g. "00001E" indicates decimal value 30); bytes are similarly
coded as ACMmax value in the SIM
000000-FFFFFF
Action command
AT+CAOC
Response
TA returns the current call meter value (same as AT+CAOC=0)
Unsolicited result code
When activated, an unsolicited result code is sent when the CCM value changes, but not more that
every 10 seconds
+CCCM: <ccm>
Parameter
see execute command
Reference
GSM 07.07
Note
AT+CBC Battery charge
Test command
AT+CBC=?
Response
+CBC: (list of supported <bcs>s), (list of supported <bcl>s) OK
Execute command
AT+CBC
Response
TA returns battery connection status <bcs> and battery charge level <bcl>.
+CBC: <bcs>,<bcl> OK
Parameter
<bcs> 0 ME is powered by the battery
1 ME has a battery connected, but is not powered by it
<bcl> 0 battery is exhausted.
100 battery has full capacity remaining
Reference
GSM 07.07
Note
The error only occurs, if there is a voltage higher than 1,3V on both inputs GPI00 und GPI01 at the
same time.

Siemens M20 Terminal Specifications

General

Brand	Siemens
Model	M20 Terminal
Category	Engine
Language	English