Press the [OK] button

Go with the arrowkeys to [HS INST].

press OK Go with the arrowkeys to [RING INST] and press OK

Go with the arrowkeys to [EXT BEL] and press OK

Go with the arrowkeys to [RING FULL] and press OK

This is the volume, adjust it with the arrowkeys. The maximum volume is 5 To leave the menu, press the red handset several times.

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