Name	Description
CANCELED variable	The message has been canceled.
EXPIRED variable	The message has expired, that is the message was not received before its expiration time passed.
FINAL variable	This constant is used to determine if a message has achieved a final state.
LOCAL variable	The message is addressed to the local message store and will not be transmitted to the server.
PENDING variable	The message has been sent but not received and acknowledged.
RECEIVED variable	The message has been received and acknowledged by the receiver.
RECEIVING variable	The message is in the process of being received, or it was received but not acknowledged.
TRANSMITTED variable	The message has been transmitted to the server.
TRANSMITTING variable	The message is in the process of being transmitted to the server.
UNRECEIVABLE variable	The message has been marked as unreceivable.
UNTRANSMITTED variable	The message has not been transmitted to the server.