How do I make one-to-one audio calls?

On Rolo, you can audio call anyone who is part of your contact list. 

• Find the contacts you wish to call on your contact list

• Tap the phone icon on the right side of their profile preview

• The call should automatically start

• Open the conversation with the contact you wish to call

• Tap the phone icon on the bottom right corner of the chat room

• The call should automatically start