Yealink T4 Series IP Phones User Guide
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Changing the Waiting Time for Screen Saver
Enabling/Disabling Time & Date and Status Icons Display
Adding a Screen Saver from a USB Flash Drive
Changing the Screen Backlight Brightness and Time
Setting the Time and Date Manually
Phone Lock Types and Waiting Time
Changing Your Phone Unlock PIN
Setting a Ring Tone for the Phone
Setting a Ring Tone for an Account
Setting a Ring Tone for a Group
Setting a Ring Tone for a Contact
Managing the Local Directory Groups
Managing the Local Directory Contacts
Moving a Local Directory Contact to Blacklist
Summary of Contents for SIP-T48S
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Page 158: ...Yealink T4 Series IP Phones User Guide 154 For the SIP T46S T46G IP Phone...
Page 159: ...Appendix Menu Structure 155 For the SIP T42S T42G T41S T41P T40P T40G IP Phone...