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Polycom SoundPoint IP 450 User Manual

Polycom SoundPoint IP 450
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Using the Basic Features of Your Phone
17
Using Electronic Hookswitch
This feature allows you to answer your phone from your headset if you are
using one.
To select a headset that supports electronic hookswitch:
1 Press .
2 Select Settings > Basic > Preferences > Headset > Analog Headset
Mode.
3 Scroll to select your headset, and then press the Select soft key.
Redialing Numbers
To redial the last call placed from your phone:
>> Press .
A call to your last placed call is attempted.
To redial a previously placed call, see Using Call Lists on page 32.
For information on supported headsets to provide electronic hookswitch features for
placing, answering, and ending calls, go to www.polycom.com/support/voice and
enter “Headset Compatibility List” in the Knowledge Base text box or contact your
system administrator.

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Polycom SoundPoint IP 450 Specifications

Display IconDisplay
display resolution256 x 116 pixels
display typebacklit grayscale graphical LCD
display backlightLED backlight with custom intensity control
Audio Features IconAudio Features
frequency response150Hz - 7kHz
codecsG.722, G.711 μ/A, G.729A, iLBC
full-duplex speakerphoneType 1 compliant with IEEE 1329
Power IconPower
power over ethernetIEEE 802.3af Class 2
external AC adapter24VDC/12W
power adapterUniversal, auto-sensing
Operating Environment IconOperating Environment
operating temperature0 to 40°C (+32 to 104°F)
storage temperature-40 to +70°C (-40 to +160°F)
relative humidity5% to 95%, noncondensing
Size and Weight IconSize and Weight
dimensions8.5 x 6 x 6.5 in x 2.5 in (21.5 x 15 x 16.5 x 6.5 cm)
box dimensions12.5 x 13.25 x 3.5 in (31.75 x 33.5 x 9 cm)
unit weight2.4 lbs (1.1 kg)

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