Polycom Video Control Application for Cisco IP Phone 7970 is a software which gives you a graphical user interface to control your IP phone. It requires Cisco Call Manager ver.4.1.3 or later. To work with HDX codec it needs software to be 1.0.2 or later. In case of VSX series, it requires 8.5.3 or later software for H.323 endpoints and 8.6.2 or later software for SCCP endpoints. This application includes license for 100 applications.