There are often certain numbers in your contacts list that require you to dial an additional extension before you can actually talk to the person on the other end.
Remembering that code can be a hassle for most people. Thankfully for Apple users, there is a feature in the iPhone that lets you save these extensions along with other contact information.
When you dial that number, this feature automatically dials the extension along with it, so that you don’t need to manually input it every time.
To use this feature, follow these simple steps:
With these easy steps, you can program your iPhone to automatically dial the extension along with the phone number.