call_waiting_query_sync

Description:

[ Version ( since = "1.12" ) ]
public bool call_waiting_query_sync (Cancellable? cancellable, bool status) throws Error

Synchronously queries the status of the call waiting network service.

The calling thread is blocked until a reply is received. See call_waiting_query for the asynchronous version of this method.

this	A ModemVoice.
cancellable	A Cancellable or `null`.
status	Output location where to store the status.

true if status is set, false if error is set.