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Adjusting the speakerphone to the room acoustics, Adjusting the receiving volume during a call, Selecting the language of screen prompts – Siemens optiPoint 400 User Manual

Page 26

Adjusting the speakerphone to the room acoustics, Adjusting the receiving volume during a call, Selecting the language of screen prompts | Siemens optiPoint 400 User Manual | Page 26 / 119 Adjusting the speakerphone to the room acoustics, Adjusting the receiving volume during a call, Selecting the language of screen prompts | Siemens optiPoint 400 User Manual | Page 26 / 119