An intercom system that ... an electronic door latch to routing calls on the intercom to the appropriate station. A less sophisticated station is often attached to a front door for security ...

They might also like to answer their front door from their phone — whether ... have one entry point and only an audio intercom system installed. With Ring Intercom installed, when someone ...

based on the CrewCom 900MHz wireless intercom system. Since the upgrade, the company has been relying on its new intercom system for various events at the university. “We were using another intercom ...