AASTRA 6739i User Guide EN - Manual (Page 200)

Model M670i and M675i Expansion Modules
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41-001317-05 REV01 – 06.2013
Using the Expansion Modules
M670i Expansion Module
After configuring the softkeys on the M670i 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.
Lock Phone
BLF Key
Office (speeddial)
Softkeys