From a Home screen, tap the Apps icon (located at the bottom).
Touch and hold a contact.
Tap Menu (located below the display at the far right).
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 Save.