[ Version ( since = "1.6" ) ]
public bool send_dtmf_sync (string dtmf, Cancellable? cancellable = null) throws Error
Synchronously requests to send a DTMF tone the call.
Call objects can only be sent once.
The calling thread is blocked until an incoming call is ready. See send_dtmf for the asynchronous version of this method.
| this |
A Call. |
| dtmf |
the DMTF tone. |
| cancellable |
A Cancellable or |
|
|