ftp.ntua.gr:/mirror/slackware/slackware-14.2/source/l/sip/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[TXT] slack-desc                                       08-Apr-2012 23:48  849   
[TXT] sip.SlackBuild                                   11-Aug-2015 20:17  3.6K  
[   ] sip-4.18.tar.xz                                  13-Apr-2016 17:00  618K
Apache/2.2 Server at ftp.grnet.gr Port 80