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Command:CHL

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CHL

The CHL command is an unsolicited command coming from the server which is used to verify that the client currently connected is an official client (MSN Messenger, Windows Live Messenger, etc.). 

CHL TrID challengestring
  • TrID: The TransactionID of the command. Always 0.
  • challengestring: A string required for the response

A challenge must be replied to using the QRY command.

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