Mitel Aastra M685i Expansion Module (50006820, 80C00007AAA-A) Monitors There is no difference between

There is no difference between the phones

This unit is available in two different configurations: ATM or TDM

Comdial DX-80 7260-00 Phone Description:

The 2024C has dual AC power supplies for redundancy and is 1U in size

Mitel Aastra M685i Expansion Module (50006820, 80C00007AAA-A) Monitors There is no difference betweenMitel Aastra M685i Expansion Module Description: The Mitel M685i module, previously Aastra M685i, is an expansion module designed to fit the 6865, 6867, and the 6869 model phones. This module adds BLF and programmable buttons to your phone. This module is easily installed as the connector is built in to the unit versus having a removable cable like the older models. Mitel 50006820, 80C00007AAA A Features: 28 Programmable Buttons LED Status Indicator