Chapter 3: AT Commands Reference
April 15, 2008 G24-L AT Commands Reference Manual 3-21
+CCWA, Call Waiting Command
This command controls the Call Waiting supplementary service, including the settings and the
queries of the G24-L and the network. When the Call Waiting indication is enabled by the G24-L
and there is a waiting call, a +CCWA: indication is sent from the G24-L to the terminal.
Note: The G24-L 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.
+CCWA Indication
When a call-waiting indication is enabled by the G24-L (<n>=1), the following unsolicited
indication is sent to the terminal from the G24-L:
+CCWA:<number>,<type>,<class>,[<alpha>][,<CLI validity>]
Action Syntax Response Remarks
Set
+CCWA=[<n>[,
<mode>[,<class>]]]
OK
If <mode>=2 and the
command succeeds:
+CCWA:
<status>,<class1>
[<CR><LF>+CCWA:
<status>,<class2>
[...]]
OK
The Set command enables/disables the
Call-Waiting indication in the G24-L and
in the network. Activation, deactivation
and status query are supported.
Note:
When the <mode> parameter is set
to 2 (network query), the <n>
parameter is ignored. This means
that no enable/disable action is
performed while querying the
network.
Read
+CCWA? +CCWA: <n>
OK
The Read command returns the
enable/disable status of the call waiting
indication in the G24-L (<n>).
Test
+CCWA=? +CCWA: (list of
supported <n>s)
The Test command returns <n> values
supported by the G24-L as a compound
value.
