LynxIT SPS allows physicians who are participate in LynxITs Smart Paging System (SPS) to respond to hospital-and practice-initiated messages through their iPhones. Physicians who receive messages may respond to messages by:1.Simply acknowledging the message (if a response is not required)2.Sending a note (sending a text message).3.Calling back (initiating a voice call).4.Marking the message complete.