If you are already on a call then you can add another person by going to the 'Participants' option within the call.
From here you will have the option to type in a phone number or the name of a person to add to the call.
If you are already on a call then you can add another person by going to the 'Participants' option within the call.
From here you will have the option to type in a phone number or the name of a person to add to the call.