Enterprise-Centric UC Live Unified Communication Beyond the Borders © 2010 Intertex Data AB 1 Prepared for:INTERNET TELEPHONY Conference Ingates SIP Trunk-UC.
NATs & Firewalls The General SIP Proxy Firewall Prepared for:Spring VON 2003 By: Karl Erik Ståhl President Intertex Data AB Chairman Ingate Systems AB.
