Yealink T48S Skype For Business Edition User Manual page 23

Features
--IPv4
--IPv6
--PIN Authentication
--User Sign-in
--Web Sign-in
--Sign in via PC
--CAP Provisioning
--Remember Password
--Account Lock
--Always Online
--Screen Saver
--Power Saving
--Backlight
--Contrast
--Language
--Phone Language
--Web Language
--Time & Date
--SNTP Settings
--Manually Settings
--Time & Date Format
--Administrator Password
--Key As Send
--Phone Lock
--Audio Settings
--Phone Ring Tone
--Key Tone
--Contact Management
Phone User Interface
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Registration
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Basic Phone Settings
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Overview
We User Interface
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