There are three steps to integrating the Phone Notify! API into your Visual Studio C# project:
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In order to call the Phone Notify! API, you'll need to add a service reference to your project.
a. Open your Visual Studio project. Right-click on the project. Select the Add > Service Reference… menu item.
b. Click the Advanced… button.
c. Click the Add Web Reference… button.
d. Enter the Phone Notify! web reference URL http://ws.esendex.us/NotifyWS/PhoneNotify.asmx?wsdl and click the arrow button. Type in a name for your web reference ("WSDL" is used in this example). Click the Add Reference button.
e. Once the wizard has successfully contacted the Phone Notify! service, the name of your service will be listed under Web References and a success message will be displayed.
a. Add your new web reference to your code.
b. Create an instance of PhoneNotify and call the NotifyPhoneBasic method (as shown).
c. Run the project and examine the results.