Default values are optimal so please don’t go overboard with making them much lower.
To initiate private chat with another chat user click his chat user name on the list of chat users.
No matter where you are, or what you're doing, just know that there are thousands of lovely live girls waiting to talk to you.
You can test this by changing your theme and/or disabling other plugins one by one until you find the one that conflicts with Quick Chat.
You can replace “400” with wanted Quick Chat message history window height and ‘default’ with your chat room name.
The third parameter should be 1 when you want to display user list (0 otherwise) and fourth parameter will decide where will user list be placed (‘right’, ‘left’ or ‘top’).
Simultaneously you can have multiple one on one private chat sessions.
Quick Chat administrator users can control who is allowed to initiate private chat session (logged in users and/or guests) from Quick Chat admin options.