A speakerphone is a telephone feature that allows multiple people to hear and speak to each other during a call without needing to hold the phone. It uses a built-in microphone and speaker to amplify sound, making it easier for groups to participate in a conversation. Speakerphones are commonly used in business meetings, conference calls, or when hands-free communication is needed. They can be found on landline phones, mobile phones, and other communication devices, offering convenience for group discussions or when the user cannot hold the phone.

英語での「speakerphone」の定義と意味

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