I'm wondering if someone can advise me how to turn on the Speakerphone function. I've owned this phone for years and recently read that it has a hands-free mode. I've combed the manual for information and found the section which tells about the speakerphone mode in the display, but I can't find a description of how to turn it on and off. I checked online but haven't found the answer, and got no results back when I tried to use the forum's search feature. I appreciate any advice you can offer.

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