How to if you want to dial extension in iPhone

If you have a big business then in that condition you need to dial extension in iPhone to make your work easier.

By using the extension, only a certain person can call Perfect You.

To dial extension in iPhone as follows.

First of all open phone application in iPhone.

Dial the mobile number of the person you want to call.

Hold Down Asterisk key.Until (,) appears

Dial your office extension number.

This is how you can dial extension numbers in iPhone.

The extension number is like this. 555-1234*5678

Third party applications are also available for dialing extension numbers.