Rainbow Electronics GM862-QUAD-PY - Manual (Page 112)

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
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+CPAS - Phone Activity Status SELINT 0 / 1
<pas> - phone activity status
0 - ready (device allows commands from TA/TE)
1 - unavailable (device does not allow commands from TA/TE)
2 - unknown (device is not guaranteed to respond to instructions)
3 - ringing (device is ready for commands from TA/TE, but the ringer is
active)
4 - call in progress (device is ready for commands from TA/TE, but a call is
in progress)
AT+CPAS? Read command has the same effect as Execution command.
AT+CPAS=? Test command reports the supported range of values for <pas>.
Note: although +CPAS is an execution command, ETSI 07.07 requires the
Test command to be defined.
Reference GSM 07.07
+CPAS - Phone Activity Status
SELINT 2
AT+CPAS Execution command reports the device status in the form:
+CPAS: <pas>
Where:
<pas> - phone activity status
0 - ready (device allows commands from TA/TE)
1 - unavailable (device does not allow commands from TA/TE)
2 - unknown (device is not guaranteed to respond to instructions)
3 - ringing (device is ready for commands from TA/TE, but the ringer is
active)
4 - call in progress (device is ready for commands from TA/TE, but a call is
in progress)
AT+CPAS=? Test command reports the supported range of values for <pas>.
Note: although +CPAS is an execution command, ETSI 07.07 requires the
Test command to be defined.
Example ATD03282131321;
OK
AT+CPAS
+CPAS: 4
the called phone has answered to your call
OK
ATH
OK
Reference GSM 07.07
3.5.4.4.2 Set Phone Functionality - +CFUN