Unify OpenScape CP400 - Main menu; Icons

Getting to know the OpenScape Desk Phone CP400 23
Moreover, different icons represent different situations and options:
@ Main menu Favorites
Conversations
Service/Settings
Fixed call forwarding on Service menu
Variable forwarding on User settings
Administrator settings
Icon Meaning
u The ringer is deactivated  page 60
› The ringer is set to a beep  page 60
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The "Do not disturb" function is activated  page 134
œ The phone lock is activated  page 138