send_dtmf

Description:

[ Version ( since = "1.6" ) ]
public async bool send_dtmf (string dtmf, Cancellable? cancellable) throws Error

Asynchronously requests to send a DTMF tone the call.

Call objects can only be executed once.

When the operation is finished, callback will be invoked in the thread-default main loop of the thread you are calling this method from. You can then call send_dtmf.end to get the result of the operation.

See send_dtmf_sync for the synchronous, blocking version of this method.

Parameters:

this	A Call.
dtmf	the DMTF tone.
cancellable	A Cancellable or `null`.
callback	A TaskReadyCallback to call when the request is satisfied or `null`.
user_data	User data to pass to `callback`.