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Administrator’s Guide Addendum for the SoundPoint IP 450
1 - 3
Backlight Intensity
Like the SoundPoint IP 550, 560, 650, and 670, the backlight intensity on the
SoundPoint IP 450 phone has two modes:
• Backlight On
• Backlight Idle
You can modify the Backlight On intensity and the Backlight Idle intensity
separately. You can select high, medium, low, and off levels for both.
You can also modify the maximum backlight intensity.
Voice Quality Monitoring
The SoundPoint IP 450 phones can be configured to generate various quality
metrics for listening and conversational quality.
Audio Codecs
The SoundPoint IP 450 phone uses the same audio codecs as the SoundPoint
IP 650 phone.
Configuration File Changes
The following sip.cfg configuration file changes were made to support the
SoundStation IP 450 desktop phone:
• Gains <gain/>
• Receive Equalization <rxEq/>
• Transmit Equalization <txEq/>
• Background <bg/>
• Bitmaps <bitmap/>
Note
This feature requires a license key for activation. Using this feature may require
purchase of a license key or activation by Polycom channels. For more information,
contact your Certified Polycom Reseller.