H.323 ALGs

• Understanding H.323 ALGs
• Understanding the Avaya H.323 ALG
• H.323 ALG Configuration Overview
• H.323 ALG Endpoint Registration Timeouts
• H.323 ALG Media Source Port Ranges
• H.323 ALG DoS Attack Protection
• H.323 ALG Unknown Message Types
• Example: Passing H.323 ALG Traffic to a Gatekeeper in the Internal Zone
• Example: Passing H.323 ALG Traffic to a Gatekeeper in the External Zone
• Example: Using NAT and the H.323 ALG to Enable Incoming Calls (CLI)
• Example: Using NAT and the H.323 ALG to Enable Outgoing Calls (CLI)