Intertex Data AB, Sweden VoIP to the Edge: Firewalls - The Missing Link Prepared for:Voice On the Net, Fall 2001 By: Karl Erik Ståhl President Intertex.
Intertex Data AB, Sweden Talking NATs & Firewalls Prepared for:Voice On the Net, Spring 2002 By: Karl Erik Ståhl President Intertex Data AB Chairman Ingate.
