Field Name Description
Language Select the language used in the XT Series endpoint's interface.
Audio coding Select the European or US audio coding, used by audio equipment in
your location.
Video frequency The video refresh frequency depends on the country, and may be 50Hz
or 60Hz. If you set it to <auto>, the system assigns the standard of the
chosen country.
In Japan, where the video frequency can vary, manually choose the
value for your location.
International Call
Prefix (IDD)
Enter a numeric code to replace the leading ‘+’ symbol when placing
outgoing calls. To disable the expansion, clear the field.
4. Select Save.
Configuring Advanced Echo Cancellation on External
Microphones
About this task
The Avaya Room System XT Series has its own built-in echo cancellation for external
microphones (or other audio input) without an audio mixer. You can hear an echo when a remote
endpoint's external speaker (not headphones) picks up your voice in addition to their own audio,
and re-broadcasts your own audio back to you and others in the meeting.
Typically, you use the echo cancellation's default settings. However, you may need to modify some
of these settings if your room setup is causing distortions in your audio input, such as:
• Other participants hear a lot of background noise from your room
• Other participants hear breaks in your audio
• Other participants notice a delay in your audio relative to your video
• Unclear audio resulting from distortions in noise.
These issues can be caused by many factors, such as the shape of your room, the position of
speakers and microphones, or the surface texture of furniture.
Before you begin
If configuring from the endpoint, you must first enable advanced configuration, as described in
Enabling Advanced Maintenance on the XT Series on page 151.
Enable the XT Series's built-in echo cancellation on the relevant microphone or other audio input
(see Configuring Microphones on page 131).
Important:
You cannot use the built-in echo cancellation on an audio mixer.
Advanced Configuration of the XT Series
August 2020 Deployment Guide for Avaya XT Series 172
Comments on this document? infodev@avaya.com
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