speakerphone

 

English Wikipedia has an article on:

speakerphone

Wikipedia

From speaker +‎ phone.

• (Received Pronunciation) IPA^(key): /ˈspiːkəˌfəʊn/
• (General American) IPA^(key): /ˈspikɚˌfoʊn/

speakerphone (plural speakerphones)

1. A telephone with a microphone and loudspeaker separate from those in the handset.
2. A loudspeaker on a telephone that broadcasts the sound, in order to use it handsfree.

• earpiece