Polycom SoundPoint IP 450 User Manual

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5
Troubleshooting Your Phone
This chapter contains general troubleshooting information to help you solve
any problems you might encounter when you use your Polycom ®
SoundPoint® IP 450 phone. The tables in this chapter list possible trouble
symptoms, the likely causes of these problems, and the recommended
corrective actions to take.
• Power and Startup
• Controls
• Access to Screens and Systems
• Calling
• Displays
• Audio
• Productivity Suite
To obtain more detailed troubleshooting information, you can access certain
menus on your phone that test your phone hardware. For more information,
see Testing Phone Hardware on page 90.
If you require additional assistance, contact your system administrator.

Polycom SoundPoint IP 450 Specifications

Display

display resolution	256 x 116 pixels
display type	backlit grayscale graphical LCD
display backlight	LED backlight with custom intensity control

Audio Features

frequency response	150Hz - 7kHz
codecs	G.722, G.711 μ/A, G.729A, iLBC
full-duplex speakerphone	Type 1 compliant with IEEE 1329

Power

power over ethernet	IEEE 802.3af Class 2
external AC adapter	24VDC/12W
power adapter	Universal, auto-sensing

Operating Environment

operating temperature	0 to 40°C (+32 to 104°F)
storage temperature	-40 to +70°C (-40 to +160°F)
relative humidity	5% to 95%, noncondensing

Size and Weight

dimensions	8.5 x 6 x 6.5 in x 2.5 in (21.5 x 15 x 16.5 x 6.5 cm)
box dimensions	12.5 x 13.25 x 3.5 in (31.75 x 33.5 x 9 cm)
unit weight	2.4 lbs (1.1 kg)