Skype are to open up their SIP programme which launched in August as a closed beta. With the SIP programme from Skype users around the world can call businesses on Unified Communications (UC) systems and vice versa. In order to do this, companies need to create a Business Control Panel on Skype and configure it to work with their existing SIP communications system. The new SIP programme will have plenty of easy-to—use features that will unify communications while cutting costs. Skype have already had thousands of applications for the SIP programme.