Aastra 480i Administrator's Manual page 117

Operational Features
Operational Features
Feature
Call Waiting Tone
Language
The following paragraphs describe each of these features.
41-001129-00 Rev 09, Release 1.4.1
DFW Phone 972-992-4600
Description
Allows you to enable or disable the playing of a call waiting
tone when a caller is on an active call and a new call comes
into the phone.
Allows you to set the language to display on the IP phone UI.
For the 480i/9133i/9112i, valid languages are English (default),
French, Spanish, German, and Italian. For the 480i CT, valid
languages are English (default), French, and Spanish.
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