Best way to catch a remove voice

Catching Clients voice audio files
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What is the best way to catch the voice of a non-technical client at a remote location and have the ability to include that audio file in a .swf ? How do we get the best quality? I'm experimenting with Skype calls and catching the audio - some say that they are doing this, I haven't figured out how to catch the remote side of a Skype call yet. Wonder if this would be easier with an SIP based product like BroadVoice.