AudioCodes 400HD Series User's And Administrator's Manual page 17

CHAPTER 2 Setting up the Phone
5.
Thread two screws (not supplied) into the two masonary anchors; ensure that the heads
extend sufficiently (about 3/16 inch or 5 mm from the wall) for the phone stand's keyhole
slots to hang on.
6.
Hang the phone stand's keyhole slots on these screws.
C448HD and C450HD | Users & Administrator's Manual
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