The M7310 is one of Nortel's best-selling telephones of all time. This fully-featured telephone is designed for users with more extensive calling and call handling requirements. Works with Norstar and BCM telephone systems.

Features Include:

• 10 programmable line or feature buttons
• 12 dual-function memory buttons to provide quick access to 24 additional features or memory buttons
• LCD window with three softkeys
• Handsfree Speakerphone
• Adjustable volume and ringer controls
• Selectable ringer tones
• Built-in headset support for direct-connect headsets
• Desk/wall mountable
• Available in Ash, Black or Gray

This model is also known as: M7310, NT8B, NT8B20, NT8B20AA, NT8B20AB, NT8B20AE, NT8B20AF, NT8B20AA93, NT8B20AA35, NT8B20AA3, NT8B20AA03, NT8B20AB93, NT8B20AB35, NT8B20AB3, NT8B20AB03, NT8B20AE93, NT8B20AE35, NT8B20AE3, NT8B20AE03, NT8B20AF93, NT8B20AF3, NT8B20AF03