Recorded in several spellings including Langston and Langstone, this is an English surname. It is of locational origin from any of various places so called but specifically Langston in the counties of Devonshire and Hampshire.
Use Speed dial to call a phone number with a single tap. 1  Open the Phone app. 2  Tap. 3  You can also press and hold an unassigned key on the dialpad, and then tap Yes. 4  Select a contact from the list. 5  On the Speed dial screen, choose the phone number of the contact to use, and a speed dial key to assign. 6  Tap Save.
Speed dial was introduced in the early 1960s, and was displayed at the Bell Systems Pavilion at the 1962 World's Fair. This system used punch cards to store the phone numbers, and when someone wished to dial a particular number, the corresponding punch card was fed through a slot on the phone and dialed automatically. However, speed dial did not become common until the 1980s when touch tone phones had become commonplace.