PIONEERPOS G24-LC manual +CCWA, Call Waiting Command, +CCWA Indication

Chapter 3: AT Commands Reference

+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.

Action	Syntax	Response	Remarks
Set	+CCWA=[<n>[,	OK	The Set command enables/disables the
	<mode>[,<class>]]]	If <mode>=2 and the	Call-Waiting indication in the G24-L and
		command succeeds:	in the network. Activation, deactivation
		+CCWA:	and status query are supported.
			Note: When the <mode> parameter is set
		<status>,<class1>
		[<CR><LF>+CCWA:	to 2 (network query), the <n>
			parameter is ignored. This means
		<status>,<class2>
			that no enable/disable action is
		[...]]
			performed while querying the
		OK
			network.
Read	+CCWA?	+CCWA: <n>	The Read command returns the
		OK	enable/disable status of the call waiting
			indication in the G24-L (<n>).
Test	+CCWA=?	+CCWA: (list of	The Test command returns <n> values
		supported <n>s)	supported by the G24-L as a compound
			value.

+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>]

April 15, 2008 G24-L AT Commands Reference Manual 3-21