David Hanes is a technical expert in the area of fax over IP technologies. He has worked as a CSE in WAN, WAN Switching, and Multiservice Voice teams, a team lead for the Multiservice Voice team, and an Escalation Engineer.
Q&A provided in this webcast can be found at here.
Hanes is the coauthor of "Fax, Modem, and Text for IP Telephony" from Cisco Press and he a CCIE.