Unregister Method
This method cancels an account with the host.
Syntax
xmpp.unregister([callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
If the user or application wishes to terminate an account with the IMServer it should make a call to this method. After a successful call, the account will be canceled and the class will be logged off the server, but not disconnected.