Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\sip] @="URL:Session Initiation Protocol" "URL Protocol"="" [HKEY_CLASSES_ROOT\sip\DefaultIcon] @="C:\\Program Files\\X-Lite\\X-Lite.exe,0" [HKEY_CLASSES_ROOT\sip\shell\open\command] @="C:\\Program Files\\X-Lite\\X-Lite.exe \"%1\""