hangup
Disconnects this call. This can only be invoked when this call is in answered status.
Since
0.1
Parameters
callback
A closure to be executed when completed, with error if the invocation is illegal or failed, otherwise nil.
Disconnects this call. This can only be invoked when this call is in answered status.
0.1
A closure to be executed when completed, with error if the invocation is illegal or failed, otherwise nil.