Polycom 5.2.0, 3725-26792-003 Performance on Windows Vista or Maximum Performance on, Audio

Copyrights and Legal Notices

incandescent lighting instead of fluorescent lights.

•Ensure that your camera is configured correctly. For more information, see Choosing a Camera.

	Ensure that your laptop is connected to a power source. Running
Call quality is not good on my laptop.	on battery power can reduce the laptop's performance.
	Adjust your Windows power management setting to High
	Performance (on Windows Vista) or Maximum Performance (on
	Windows XP).
It takes a long time to display video	Network problems can slow down the call connection. You may
after the call starts.	want to try the call again later
Sometimes no video preview on the
main window, especially after the	Hide my video preview window and show it again.
system wakes up.
The far site can’t receive video or	Check the packet lost and call rate in Call Statistics page.
receives poor video from Polycom CMA
	Go to Preference > Network , set the Internet connection to a
Desktop in wireless, VPN, or ADSL	lower bandwidth, then call again.
environment.
When both video and audio are blocked
for 15 seconds after the call setup, a	Contact the network administrator.
firewall notification pops up.
The audio and the video cannot be	Go to Preference -> Network, select Never use QoS.
transmitted under VPN connection.
Audio
My microphone is not listed in the	Reinstall your audio device using the installation CD provided by
	the device's manufacturer, and then restart Polycom CMA
device selection list.
	Desktop.
	Ensure that your audio is not muted. If your audio is muted, you
	see	on the screen and	is highlighted on the toolbar.

Ensure your microphone cable is connected securely.

Others don't hear my audio.	Reinstall your audio device using the installation CD provided by
	the device's manufacturer, and then restart Polycom CMA
	Desktop.
	Verify your audio settings. To do this, click Menu, and then choose
	Preferences > Audio. After you make a change, click Test Audio
	Devices to test the audio devices.
	Reduce the volume on your system.
	Place the microphone and speakers as far apart as possible.
	Use earphones instead of speakers.
	Use a headset instead of microphone and speakers.
Far-end participants hear an echo.	If you use a laptop's integrated speakers with the laptop's
	integrated microphone or with a webcam's microphone, the
	structure of the laptop computer and the quality of the laptop
	speakers may cause problems that the Windows echo canceller
	cannot correct. Connect external speakers and use them instead of
	the integrated speakers.
Far-end participants hear poor audio	Place the microphone farther from the person speaking. Speaking

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