send_dtmf
Description:
[ Version ( since = "1.6" ) ]
public async bool send_dtmf (string dtmf, Cancellable? cancellable) throws Error
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 |
| callback |
A TaskReadyCallback to call when the request is satisfied or |
| user_data |
User data to pass to |