HTC One X10 - Manual (Page 118)

How do I add an extension number to a contact number?
While creating a new contact or editing a contact's details in People, you can add an
extension number to their number so you can skip the voice prompts when calling.
1. After entering the number of the main line, do one of the following:
§ Tap P to insert a pause before the phone dials the extension number. To insert a
longer pause, enter P several times.
§ Tap W to be prompted to confirm the extension number.
2. Enter the extension number.
Editing a contact’s information
Social network contacts cannot be edited.
1. From the Home screen, tap , and then find and tap People.
2. On the People tab, press and hold the contact, and then tap Edit contact.
3. Enter the new information.
4. Tap .
Getting in touch with a contact
1. From the Home screen, tap , and then find and tap People.
2. Tap a contact's photo (not the name), and then choose how you want to get in touch with that
contact.
For more ways of getting in touch with your contact, tap an icon below the contact photo.
118 People