Bandwidth option, InfoSetupH.323QOS | Polycom ViaVideo guide

Appendix CTroubleshooting

Problem	Explanation	Solution

Video is out of focus.	Either the camera is out of	Use the focus wheel above
	focus, or there is not enough	the camera lens to adjust
	light in the area and the	focus.
	camera cannot generate a	If this does not resolve the
	clear image.	If this does not resolve the
	clear image.	problem, add more light to
		problem, add more light to
		the area.

Video has lots of	There is not enough light for	Add more light to the area.
noise/colored dots appear in	the ViaVideo camera to
my picture.	operate properly.

Frame refresh rate is low.	The lighting in your office is	Add more light to the area.
	insufficient and ViaVideo is
	automatically compensating
	for this by increasing the
	exposure time so that it can
	gather more light.

The near video display is	Near video appears darker	Although there is usually no
dark.	in the ViaVideo application	problem with the transmitted
	than it does on the far site.	image, using a dark
		background, or wearing
		dark clothing always
		provides for better image
		quality.

A lightning bolt is displayed	There has been an error in	1. Activate the Dynamic
on-screen during calls.	data transmission outside of	Bandwidth option
	normal parameters.	(System
	Although this is not a	Info>Setup>H.323>QOS)
	Although this is not a	2. Try making calls at a
	serious error, you may have	2. Try making calls at a
	selected a calling speed that	lower speed, or check
	is too high for your network	with your system
	bandwidth.	administrator for the
		optimum speed.

© Polycom, Inc.

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ViaVideo User’s Guide

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Polycom ViaVideo manual Bandwidth option, InfoSetupH.323QOS

Contents

ViaVideo User’s Guide Page Other Restrictions WarrantyTrademark Information Patent Information Regulatory Notices FCC Notice Important SafeguardsUnderwriters’ Laboratories’ Statement RADVision Statement Contents Network Connection System Information and DiagnosticsAudio Connection Troubleshooting Contents ViaVideo User’s Guide Viii Hardware Requirements System Requirements and Installation Software Requirements Installing SoftwareInstalling Hardware Turn on the Camera Starting ViaVideo ViaVideo built-in microphone Initial Setup Headset with microphone Camera Calibration Using Manual DialingPlacing a Call Info icon Call status light IP address Chapter Using the Address Book or Speed Dialing New entry Edit entry Delete entry On-Screen Remote Control Answering Calls Ending a Call Closing ViaVideo Chapter Calling Features Using ViaVideo Hang Up Using the Remote Control Audio Mute VolumeSnapshot Window Controls Information Screen AccessPicture in Picture PIP Minimize Window Sending Snapshots Re-Size the ViaVideo Display Leaving a Callback Message Address Book and Speed Dial Using the Address Book Do This Local Entries Local and Global Address Book Entries Global ILS Server Entries Display Global Address Go to the Directory Services screenRegister This System When Powered On Lock Using Speed DialDelete All Controlling Audio Controlling Audio and VideoVia the On-Screen Remote Dial Via the Audio Screen Mute Auto Answer Calls in the Audio screen System Muting Video Chapter Multiple IP Addresses Collaboration and Application Sharing Chapter Using the System Information Screens System Information and Diagnostics System Information and Diagnostics Diagnostics Network Statistics Video Jitter Advanced StatisticsAudio Jitter Call Status Reset System Camera Calibration Generate Tone Setup General Auto Start ViaVideo When Auto Start ViaVideo is selected323 Auto Answer Show Animations Show Half-Size Display When Show Half-Size Display isUser Name Mail Directory Services Display Global Addresses Register this system when starting ViaVideoLAN and Internet Default Gateway Wins ResolutionHost Name IP Address Audio Master Volume Volume ControlWave Volume Line ViaVideo Software SoftwarePC Software Dialing Speeds SetupGatekeeper Display IP Dialing Extension 323 Multiple IP Addresses Gatekeeper Dialing Speeds Use Fixed Ports Quality of Service and Firewalls NAT outside WAN address Auto discover NAT IP addressIP Precedence Dynamic Bandwidth Chapter PC with Speakers Audio Connection PC with Headphones Headphones Only Headset with Attached Microphone Simple Connection Just a Modem, Thanks Pick Your Connection Type Router With Firewall Router With Firewall, Using a DMZRouter With NAT, No Firewall Through a Virtual Private Network Configure Your Connection Select the System is Behind a NAT option Configure your ViaVideo for NATWhen you select Auto discover NAT IP Address, ViaVideo System Information screen Open and Assign Ports in the Firewall Router With Firewall, Using a DMZ Assign your ViaVideo to the DMZ Through a Virtual Private Network Appendix What’s a Firewall? Is it Safe? Opening PortsPort Number Assignation What’s a DMZ? What’s a Network Address Translator? Appendix Problem Explanation Solution General Troubleshooting InfoDiagnosticsGenerate Audio Troubleshooting Wave, and Master Volume Controls Windows Control Panel Video Troubleshooting Bandwidth option InfoSetupH.323QOS Installation Errors Error MessagesErrors Error Message Explanation Solution SetupH.323 Gatekeeper setting Appendix C