The status of the sent SMS message:

• 1: SMS sent successfully
• 0: SMS could not be sent due to other errors
• -1: SMS could not be sent due to mobile number being missing
• -2: SMS could not be sent due to client code not existing in VETtrak database
• -3: SMS could not be sent due to this being a marketing message and the client declines to receive marketing messages

public int Status;