private static async Task MainAsync() { var calloutApi = SinchFactory.CreateApiFactory("f429b49c-4ca8-4b9a-9376-3c22428c5309", "ui8/g2EMaEieaPA5/1L+fQ==").CreateCalloutApi(); IMenuBuilder menuBuilder = calloutApi.CreateMenuBuilder(); menuBuilder.AddNumberInputMenu("main", "This is a test call from Azure MFA. Please enter the following digits: 1 7 8 9. Press 'pound' if the digits were unclear.", 4, "This is a test call from Azure MFA. Please enter the following digits: 1 7 8 9. Press 'pound' if the digits were unclear.", 1, TimeSpan.FromSeconds(15)); //var calloutResponse = await calloutApi.MenuCallout("+15612600684", "how are you doing", menuBuilder, "main", TimeSpan.FromSeconds(25),"www1545654").Call(); var calloutResponse = await calloutApi.ConferenceCallout("+17207072699", "asdfsadfsdf", "11111", "hi command", "ww951197111#").Call(); Console.WriteLine(calloutResponse.callId); Console.ReadLine(); }