hangup_async

Description:

public async bool hangup_async (CallStateChangeReason reason, string detailed_reason, string message) throws Error

Request that the call is ended.

All contents will be removed from this so that the contents property will be the empty list.

this	a CallChannel
reason	a TpCallStateChangeReason
detailed_reason	a more specific reason for the call hangup, if one is available, or an empty or `null` string otherwise
message	a human-readable message to be sent to the remote contact(s)
callback	a callback to call when the operation finishes
user_data	data to pass to `callback`