I have been referencing people to an article I wrote recently when they have come to me looking for basic information on fax over IP principles and solutions. So, I thought I would share that article here as well for anyone new to fax over IP or for those looking for a broad overview of current FoIP technologies.
http://www.cisco.com/web/services/news/ts_newsletter/tech/chalktalk/archives/200808.html
This article explores basic fax over IP technologies from passthrough to relay to T.37 Store-and-Forward fax and even touches on basic Group 3 fax standards (discussed in the previous blog post) and fax servers. I would be interested in any questions or comments about the article including topics that you want to see discussed in future blog posts.
-David
David Hanes, CCIE 3491, is an engineer within Cisco's Customer Advanced Engineering (CAE) team, where he assists with fax over IP (FoIP) solution design, troubleshooting, and new product testing. David is the co-author of the book Fax, Modem, and Text for IP Telephony and regularly speaks and provides training on Cisco FoIP solutions. Since joining Cisco in 1997, David has held various positions within the Cisco TAC organization including Team Lead for the Multiservice Voice Team and TAC Escalation Engineer for VoIP technologies.