Nortel Norstar M7310 Black Display Telephone NT8B21AC-03. This fully featured telephone is designed for users with more extensive calling and call handling requirements. In addition to 10 programmable line or feature buttons, 12 dual-function memory buttons provide quick access to 24 additional features or autodial numbers, ideal for users who often call the same customers, suppliers, or accounts. With its two-line by sixteen-character LCD Window and soft-keys, the M7310 is extremely easy to use.
Nortel Part Number: NT8B21AC-03
Model Number: Norstar M7310
![](https://www.ascendtech.us/mmASC/Images/NT8B21AC031-01.jpg)
Features:
- 10 programmable line or feature buttons
- 12 dual-function memory buttons provide quick access to 24 additional frequently-used features or autodial numbers
- 2-line by 16-character LCD window and soft keys
- Built in headset jack
- Feature, hold, and volume up/down buttons
- Multi-line
- Shows time, date, and if you have a voicemail message
- Speakerphone
- Conference, transfer, paging, intercom
- Supported on all Norstar Integrated Communications Systems
![](https://www.ascendtech.us/mmASC/Images/NT8B21AC031-02.jpg)
![](https://www.ascendtech.us/mmASC/Images/NT8B21AC031-03.jpg)