from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An intercom system fitted at the entrance to a building, especially a block of flats, by which visitors can identify themselves to specific occupants before being admitted to the building.
Entry + phone. A trademark, held by The Entryphone Company Limited. (Wiktionary)
Susan pushed back her chair, went to the front door and picked up the Entryphone.