Nortel M7310 Display Phone NT8B20 (Grey/Refurbished)The Norstar M7310 telephone is a full featured telephone set designed for users with more extensive calling and call handling requirements. The Norstar M7310 is ideal for users who often call the same customers, suppliers, or accounts. The LCD window and softkeys make the Norstar M7310 telephone set an extremely easy to use phone. Key Features: Mfr. Part #: NT8B20 10 programmable line or feature buttons 12 dual function memory buttons provide quick