Richard Stastny in VoIP and ENUM points to three interesting presentations given at VON Europe 2005 on ENUM:

• ENUM and Interconnect, Richard Stastny, Öfeg
• ENUM, VoIP and "Gangsta Rap", Tom Kershaw, Verisign
• ENUM and XConnect, Baruch Sterman, Kayote

He provides more detailed comments on each of these presentations in VON Europe 2005 - ENUM Update - Part 1, VON Europe 2005 - ENUM Update - Part 2 - Tom Kershaw and VON Europe 2005 - ENUM Update - Part 3 - XConnect or Catch 22.