quession about proxy & firewall

["Davar Robdan" <davar.robdan () mailcity com>]

hi,
our ISP dosen't let us to access to an audio and video involving web sites. so i can not run ICQ software on my station 
or connect to ICQ site , how i can access to this site? is any furthur software needed? 
thank you. 
reply me at : hamid_m () mail com