From the Home screen, tap the Apps icon (located at the bottom).
Touch and hold a contact.
Tap Edit contact.
Edit any of the following information then tap Done. To view additional options or to add an entry, tap the Right arrow or Plus (+) symbol located to the right of the option. Depending upon the location/account (e.g. Phone Contact, GoogleTM, etc.), the contact options presented may vary.
Phone To add a pause (a 2-second delay between numbers) or wait, tap *#(, tap Pause/Wait, then tap Done.