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AT Commands Reference
Example +CLIP indication:
(...incoming call...)
RING
+CLIP: "2173845400",129,,128,"Doe John",0
Example +CLIP indication with restricted CLI:
at+crc=1
OK
(...incoming call..., caller restricted the CLI presentation (used at+clir)...)
+CRING: VOICE
+CLIP: "",128,,128,"",1
4.3.3.8
+CCWA, Call Waiting Command
This command controls the Call Waiting supplementary service, including the settings and the queries of the g20 and the
network. When the Call Waiting indication is enabled by the g20 and there is a waiting call, a +CCWA: indication is sent from
the g20 to the terminal.
The g20 supports only one of the services at a time: Voice, Data or Fax. Multiparty is a voice-only functionality.
A CCWA indication is sent to the terminal only during a voice call-waiting event. A CCWA indication is not sent for
a fax/data call during in a voice session. However, while in a voice call, a user can monitor GSM activities for an
Note
incoming Data/Fax call, by using the unsolicited command: CLCC (if active). The command does not support
setting and query with the same command action. When +CCWA queries the network, setting is not allowed.
Set Command
The Set parameter command enables/disables the Call-Waiting indication in the g20 and in the network. Activation,
deactivation and status query are supported.
When the <mode> parameter is set to 2 (network query), the <n> parameter is ignored. This means that no enable/
disable is performed while querying the network.
Note
Command
+CCWA=[<n>[,<mode>[,<class>]]]
64
Response/Action
OK
If <mode>=2 and the command succeeds:
+CCWA: <status>,<class1>[
+CCWA: <status>,<class2> [
+CCWA: <status>,<class4>]]
OK
98-08901C68-O
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