User guide

Developers guidelines | AT commands
142 June 2010
AT+CBC Battery charge (ver. 2)
AT+CSQ Signal quality (ver.1)
Description: Execution and read command returns battery connection status <bcs>
and battery level <bcl> of the phone.
Note: Even when a charger is connected, the parameter <bcl> still will give
the status of the battery capacity in percent.
Execution
command: AT+CBC
Execution command
response: +CBC: <bsc>,<bcl>
Read command: AT+CBC? Displays the current <bcs> and <bcl> values.
Test command: AT+CBC=? Shows if the command is supported.
Test command
response: +CBC: (list of supported <bcs>s),(list of supported <bcl>s)
Parameters:
<bcs>:
<bcs> Description
0 Phone powered by the battery. No charger
connected
1 Phone has a battery connected, but it is powered
by the charger
2 Phone does not have a battery connected
<bcl>:
<bcl> Description
0 Battery exhausted
1–99 Battery charging level. The battery has 1–99
percent of capacity remaining
100 Battery fully charged
Description: Returns received signal strength indication <rssi> and channel bit error
rate <ber> from the phone.
Execution
command: AT+CSQ
Execution command
response: +CSQ: <rssi>,<ber>
Test command: AT+CSQ=? Shows if the command is supported.
Test command
response: +CSQ: (list of supported <rssi>s),(list of supported<ber>s)
Parameters:
<rssi>: