Expansion Module for Mitel Aastra 6757

- 36 additional function keys

- LED indicator lights for each key

- Compatible only with the Mitel Aastra 6757 digital phone

- Color: Anthracite

- The Aastra M 670 expansion module is designed to increase the flexibility of the Mitel Aastra 6757 digital phone. The M670 is equipped with indicator lights for each key and supports numerous programmable features such as call answering, speed dial, call sharing, and do not disturb.

- The M670 module is designed for receptionists, secretaries, or users who need to supervise and manage a large number of calls. - With the M670 expansion module, you go from 20 function keys (integrated into your Mitel Aastra 6757 phone) to 56 programmable direct keys.