When a chat is resolved, the complete history is archived into the iService database. You can view this history from the contact's Customer Info - History tab. The customer can also view this history from their My Account - History tab.
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When a customer closes their chat window without ending the chat, iService will close the chat for inactivity after approximately two minutes. When this happens, the final entry in the chat history will indicate the chat was closed for inactivity.
This only occurs when the chat window is disconnected by the customer ... either the browser is closed or the customer loses their internet connection. The customer may remain idle for an indefinite amount of time and continue in the chat so long as their internet connection to the iService site is maintained.