LOS ANGELES He kept ringing the intercom buzzer. Allan Park pushed the button at least three times, all those months ago, and no one answered. The prompt limousine driver was the closest thing to a ...

The buzzer system in my apartment building in Park Slope has been broken for a few months now. People can buzz us but the intercom system is dead and we can’t buzz people in. Before it finally went, ...

Home security firm Ring has unveiled a new device that links to home audio intercom systems and enables people who live in flats to answer a door buzzer from anywhere via their smartphone. The ...