in SampleCPMProject/CpmClient/JarvisCPMClient.cs [63:70]
        public async Task PatchPhoneContactPoint(PhoneContactPoint contactToPatch)
        {
            var reqMessage = new HttpRequestMessage(new HttpMethod("PATCH"), "api/PhoneContacts");
            reqMessage.Content = new StringContent(JsonConvert.SerializeObject(contactToPatch, new StringEnumConverter()));
            reqMessage.Content.Headers.ContentType = new Headers.MediaTypeHeaderValue("application/json");
            await MakeRequestAndParseResponse<PhoneContactPoint>(reqMessage);
        }