Extension and Speakerphone

Extension noun - The act of making longer.

Speakerphone and extension are semantically related. In some cases you can use "Speakerphone" instead a noun "Extension".

Nearby Words: extend, extended, extent, extensive, extensively

Speakerphone noun - A telephone with a microphone and loudspeaker; can be used without picking up a handset; several people can participate in a call at the same time.

Extension and speakerphone are semantically related. You can use "Extension" instead a noun "Speakerphone".