Simply extract the binary (cippc.exe) downloaded here in a directory.
Example : c:\Program Files\XNet
This software snoops the network to know the SCCP control protocol. You must install WinPCAP 4.0 package (http://www.winpcap.org),
Download it here. 
This software will try to download the Personnal Address Book of Microsoft Outlook (Office version, not Express). Currently tested with the 2003 Version, should work with 2000, 2007 and above.