Tap the call icon to start a voice call ... If you need more advanced options, consider using apps like Zoom or Free ...

You can make free video calls up to 24 hours long and with up to 99 participants with Skype’s app or web-based service. If you want to host a large conference call with people who aren’t part ...

Here's how to conference call on Android. How to conference call on an Android phone 1. Tap on the Phone icon to open your phone's keypad and contacts list. 2. Type in the phone number you want to ...