PhoneCallRefresh - метод

public Task Refresh(
	CancellationToken token = default
)

Public Function Refresh ( 
	Optional token As CancellationToken = Nothing
) As Task

public:
Task^ Refresh(
	CancellationToken token = CancellationToken()
)

member Refresh : 
        ?token : CancellationToken 
(* Defaults:
        let _token = defaultArg token new CancellationToken()
*)
-> Task