If the chat box disappears, all your chats become messages. Look under the grey box under your name. The same thing happens after you record a message to someone.
HOW TO RECORD VOICE MESSAGES Here is how to work the italki Voice message. There is a 1 minute limit. 1.When you decide to send a voice message, first click onto the orange voice message symbol next to the pink send symbol. 2.Then click onto the red dot. 3.Next you get a message saying "allow" or "cancel" . Press "allow". 4.Then you will see a 1 minute digital clock appear, so start speaking loudly. The clock will turn off by itself after 1 minute. 5.Next you will see the words encoding, just wait. 6.Then you will see a pink "send" sign. Press Send. 5. Go up to your messages afterwards and press the arrow, you can then hear yourself speak.