The Nortel Norstar M7310 Telephone is a reliable and feature-packed business phone perfect for small and medium-sized businesses. It features 10 programmable line/feature buttons and 12 dual-function memory buttons that provide quick access to 24 additional features or auto-dials. The LCD display is 2-line by 16-character with softkeys for easy navigation. It can also be expanded with Norstar Busy Lamp Field (BLF) for further customization.