When the phone rings at Mozzeria, the Mission pizzeria owned by SF State alumna Melody Stein and her husband Russ, it doesn’t make any sound. Instead, strategically positioned lights, located above the front door and along the bar flash in color-coded pulses.

It’s one of the many ways technology has helped Melody and Russ become owners of the first deaf-owned restaurant in San Francisco. Yet Stein is quick to point out that they are Deaf, with a capital D.