What is the best way to connect an analog fax machine to a FXS port using a PRI feed?

jnikolatos, One of the users on the site posted a great tutorial on how to enable the UC500 to receive faxes and then email them out. I've Copied it from the Forum to the Configuration Guide for the UC500. Great work John!
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I just wanted to post a fax to email example so everyone can benefit from it. I was looking for it and could not find it, so now that I have implemented it.. I hope you can us it.
I'm trying to enable T.38 Fax in my network environment using UC520. The setting is something like this:
Fax 1 -- UC520 -- CCM -- VOIP -- PSTN -- Fax 2

Cisco Unity Express 3.0 has started shipping.
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