simone@simone-TravelMate-P253:~$  apt-cache policy skype 
skype:
  Installato: (nessuno)
  Candidato:  4.2.0.11-0ubuntu0.12.04.2
  Tabella versione:
     4.2.0.11-1 0
        100 /var/lib/dpkg/status
     4.2.0.11-0ubuntu0.12.04.2 0
        500 http://archive.canonical.com/ubuntu/ raring/partner i386 Packages
simone@simone-TravelMate-P253:~$