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Addendum to SIP 3.1 Administrator’s
Guide
This addendum addresses changes to the SoundPoint IP / SoundStation IP
SIP 3.1 Administrator’s Guide specific to the release of the SoundPoint IP 450
desktop phone.
The SoundPoint IP 450 desktop phone hardware behaves in a similar manner
to the SoundPoint IP 430 except for:
• The SoundPoint IP 450 phone has a 4-bit grayscale or monochrome LCD
display. It has a resolution of 256 by 116 pixels.
• The SoundPoint IP 450 phone has an additional line key.
• The SoundPoint IP 450 phone has an HD handset like the SoundPoint IP
550, 560, 650, and 670.
The new or changed features include:
• Distribution Zip File
• Electronic Hookswitch
• Graphic Display Backgrounds
• Multilingual User Interface
• Backlight Intensity
• Voice Quality Monitoring
• Audio Codecs
Configuration file changes are described in Configuration File Changes on
page 1-3.
The default SIP key layout for the SoundPoint IP 450 desktop phone is shown
in Multiple Key Combinations and Default Key Layout on page 1-8.
For more information, refer to the Release Notes for the SIP Application,
Version 3.1.1.