A hands-free business telephone used for audio conferencing with integrated handset and headset functionality. Higher-end systems employ echo cancellation features, adjustable speaker settings and separate front-facing microphone. Full-duplex capabilities allow both speaker and participants to talk and hear simultaneously.
A loudspeaker and built-in microphone that can be used for making and receiving handsfree calls
There are 2 types of speakerphones: Two Way Speakerphone allows two-way conversations without using a handset. One Way Speakerphone or On Hook Dialing, enables you to dial a number without using the handset. When the party being called answers, you must use the handset for conversation.