I need to re activate CS 4 Creative suite, normally I got a challenge code by telephone, and the software worked. Now it's impossible to speak someone by telephone, how can I activate my software on my new mac? I need a challenge code because it is an upg

I need to re activate CS 4 Creative suite, normally I got a challenge code by telephone, and the software worked. Now it's impossible to speak someone by telephone, how can I activate my software on my new mac? I need a challenge code because it is an upgrade version.