Officially, Skype is not supported on 64-bit Debian. In reality, it works perfectly.
If you try to install the official .deb package, dpkg will give you an error:
root@lambda:~# dpkg -i skype-debian_2.1.0.81-1_i386.deb dpkg: error processing skype-debian_2.1.0.81-1_i386.deb (--install): package architecture (i386) does not match system (amd64) Errors were encountered while processing: skype-debian_2.1.0.81-1_i386.deb This package works fine if the architecture check is overridden.
wget http://www.skype.com/go/getskype-linux-deb root@lambda:~# dpkg -i --force-architecture getskype-linux-deb
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