voip穿越防火墙NAT、FIREWALL

gwind

【文件名】:0954@52RD_voip穿越防火墙NAT、FIREWALL.pdf
【格　式】:pdf
【大　小】:664K
【简　介】:
【目　录】:
Introduction
Before You Begin
Conventions
Prerequisites
Components Used  
NAT and PAT  
NAT Limitations              
Basic Firewall Information  
VoIP Protocols Protocol Stack and Signal Flow
Challenges for VoIP Traversal of NAT
Challenges for VoIP Traversal of Firewall  
Challenges for Encrypted VoIP Traversal of NAT/Firewall with ALG
Cisco Solutions         
UDP/TCP Ports Used for VoIP         
Related Information