How to Mute, Disconnect, or Add a person in a Call Conference?

After Connecting the call click on Mute All button to all persons:

Muted all:

Again click on Mute Call button to unmute all:

Unmuted all

How to disconnect a person from the call?

Click on Disconnect icon to disconnect a person from the call:

Click on Reconnect icon to connect a person call:

Click on Add icon to add a person into the Call Conference:

Enter Name, Number:

Click on Save:

Contact added Successfully and connected: