Customizing your phone, General settings, Backlight – Yealink SIP-T22 User Manual

Page 29

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Customizing your phone, General settings, Backlight | Yealink SIP-T22 User Manual | Page 29 / 146 Customizing your phone, General settings, Backlight | Yealink SIP-T22 User Manual | Page 29 / 146
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SIP-T22P

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