in SampleCPMProject/Program.cs [109:131]
        private static void GetPhoneContactabilities()
        {
            ContactName name = new ContactName()
            {
                FirstName = "John",
                LastName = "Doe"
            };
            PhoneContactIdentity identity = new PhoneContactIdentity()
            {
                PhoneNumber = "+14256668888",                                   //The phone number should follow the E.164 standard
                Name = name
            };
            PhoneContactabilitiesRequest request = new PhoneContactabilitiesRequest()
            {
                Identity = identity,
                TargetedTopicId = testTopicId
            };
            PhoneContactabilitiesResponse result = cpmClient.GetPhoneContactability(request).Result;
            Console.WriteLine(JsonConvert.SerializeObject(result));
        }