1-1 of 1 Answer
Thank you for your question. It's called the intercom function. Intercom calls can be made between 2 handsets. Please refer to this link for more information: http://help.panasonic.ca/viewing/ALL/KX-TG3760/OI/TGD562_PNQX8351YA/TGD562_PNQX8351YA.pdf#page=25
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