AASTRA 4425 IP Vision for BusinessPhone User Guide - Manual (Page 142)

Installation
BusinessPhone – Dialog 4425 IP Vision 142
3 Use a screwdriver to remove the two plastic covers.
4 Drill wall holes according to measure.
81 mm
180 mm
90 mm
max 15 mm
min 30 mm
min 10 mm
max 60 mm
min 30 mm
max 80 mm
A A
B B
A A
max 15 mm
Spacer, alternative 1
(recommended)
Spacer, alternative 2