Using The Expansion Modules - Aastra 55I IP PHONE - RELEASE 2.1 User Manual

Using the Expansion Modules

536M Expansion Module
After configuring the softkeys on the 536M Expansion Module, you can record the
name of the softkey on the paper labels provided with the Expansion Module. Press
the softkey you want to use when applicable.
Softkeys
174 Model 55i IP Phone User Guide
Lock Phone
BLF Key
Office (speeddial)