Rather, you're asking the company to reveal the old phone number. When you create a new call, for example, you're asking the API to generate a new phone number, but you might want to provide the phone number to the API client. For more information about how phone numbers are processed by Apple, see the How the iPhone User Interface Processes Phone Numbers in iOS 6 Documentation. Call services make sure that a phone number you add to your account is correct; therefore, if the phone number requested is incorrect, the call won't go through.. With the ‘Reveal Phone Number Field’ feature, businesses are able to offer customers more options to call on, and customers are rewarded in two unique ways: by gaining more access to the business's internal services and by giving them more access to other services available without any additional fees. ‘Reveal Phone Number Field’ works directly with your existing mail and social accounts to allow you to update your business name, phone number, address, business name and website information. You will never have to create new contact forms once your website is fully setup with ‘Reveal Phone Number Field’. To access your phone number through ‘Reveal Phone Number Field’, you simply need to enter your business phone number, then give your website the URL for your business' Phone Number field which will be displayed and usable to search the telephone directory, call back database or website and much more. Once you have found a number that you like, you can also set up alerts in the number field, so you are only alerted to incoming calls when this number is called on your phone number by a registered user. But it's also a basic feature that most people use on a daily basis, whether they have one or hundreds of numbers to add to their phone book. They may include your local phone numbers, toll-free numbers you give out, social media contact, business numbers related to your site, and any other numbers you use as you're growing your business. When you search a person's phone number, you can enter it in the search box of Reveal Phone Number Field. Now you can add, delete, add a phone number for a contact, and edit all relevant fields for that contact. If you've created all your contacts in Reveal Phone Number Field, you can now easily create a Phone Number Search List and manage all your phone numbers in it in one view..