QXDM Professional? (QXDM Pro) provides a diagnostic client for Dual-Mode Subscriber Station (DMSS) and newer User Equipment (UE) software, Advanced Mobile Subscriber Software (AMSS). QXDM Pro was developed to provide a rapid prototyping platform for new diagnostic clients and diagnostic protocol packets. It provides a Graphical User Interface (GUI) that displays data transmitted to and from the DMSS.