If your phone supports it, the conference speakerphone is a feature that allows you to listen to audio from your phone on another phone. You can also listen to audio through the speakerphone while you talk on the phone, which means that the other person can hear you.
How to make a conference call on your Android phone
You can use conference speakerphone on your Android phone if you have access to a third-party app that makes conference calls. Some conference speakerphone apps are free and work with any phone. Others are more limited and require you to use a phone that works with the app.
You can also make conference calls by using a free app called Zapr. It's an app that lets you make and take conference calls with any other Zapr users. You can also make calls to traditional phone numbers and landlines, and the app also lets you see the people you are talking to on a map.
How to make a conference call on your iPhone
You can use conference speakerphone on your iPhone if you have access to a third-party app that makes conference calls.
To use a conference speakerphone app, you have to connect your iPhone to a wireless network and connect the other phones to the network. Then, you can start the app and add the phones you want to connect.