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Read Command
The Read command returns the enable/disable status of the call waiting indication in the g20 (<n>).
Command
+CCWA?
Test Command
The Test command returns <n> values supported by the g20 as a compound value.
Command
+CCWA=?
+CCWA Indication
When a call-waiting indication is enabled by the g20 (<n>=1), the following unsolicited indication is sent to the terminal from
the g20:
Indication
+CCWA:<number>,
<type>,
<class>,
[<alpha>]
[,<CLI validity>]
During the call waiting state, a RING indication is not sent to the terminal. This means that when <n> is set to 0, the
terminal will not be aware of the waiting call.
The maximum number of waiting calls at one time, per mobile access, is one. This means that no further calls are
Note
offered to the g20 (and to the terminal) while a call is waiting.
If CLI is NOT provisioned by the network but CCWA: presentation to the terminal is enabled, the g20 sends one of
the following indications to the terminal:
+CCWA: "",128,,"",1
or
+CCWA: "",128,,"",2
98-08901C68-O
Response/Action
+CCWA: <n>
OK
Response/Action
+CCWA: (0,1)
AT Commands Reference
65
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