Contents
© Polycom, Inc. vii ViaVideo User’s Guide
Router With Firewall, Using a DMZ..................................................... 68
Configure Your ViaVideo for NAT .......................................... 69
Assign your ViaVideo to the DMZ .......................................... 69
Through a Virtual Private Network ...................................................... 70
What’s a Firewall?............................................................................................ 72
Opening Ports ..................................................................................... 73
Port Number Assignation ....................................................... 73
Is it Safe? ............................................................................... 73
What’s a DMZ? ................................................................................................ 74
What’s a Network Address Translator?............................................................ 75
Troubleshooting
General Troubleshooting.................................................................................. 77
Audio Troubleshooting ..................................................................................... 78
Video Troubleshooting ..................................................................................... 80
Error Messages ............................................................................................... 82
Installation Errors ................................................................................ 82
H.323 Errors........................................................................................ 82
ViaVideoUG.book Page vii Thursday, December 7, 2000 2:49 PM