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Note:

• The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
• These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
• These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

Size (L x W x H)

• Handset: 7.5 x 2.0 x 0.75 in (19.05 x 5.08 x 1.91 cm)
• Cradle: 3.5 x 5.5 x 5.0 in (8.89 x 13.97 x 12.7 cm)

Weight

• Unit: 2.43 lbs (1.10 kgs)
• Handset: 0.45 lbs (0.21 kgs)
• Shipping weight: 2.43 lbs (1.10 kgs)

Power

• Supply voltage 5V provided by USB connection
• Power consumption 500 mA

Device to PC interface

• USB 2.0
• Captive 6.56 ft (2.0 m) USB cable

Device controls and keypad

• 4 x 3 dialpad
• Redial key
• Flash Key
• Delete Key
• Mute/un-mute key
• Speaker on/off key
• Handset/headset key
• Volume up/down key

LED indicators

• Off hook indicator
• Voice messaging indicator
• Speaker phone indicator
• Headset indicator
• Call forwarding indicator

Audio

• TIA-920
• Frequency response: 200–7 kHz >58 dB [200, 7000] Hz*
• Dynamic range: >80 dB (@ 1 kHz)
• Total Harmonic Distortion + Noise: <3% (@ 200–7 kHZ)

Auxiliary audio output

• RJ-22 headset jack with built-in amplifier

Minimum system requirements

• Windows® 7 and Windows® 8
• PC with Microsoft® Lync 2013, Microsoft® Lync 2010, Microsoft® Office Communicator 2007 R2 version 3.5.6907.37 or a later version installed
• One available USB 2.0 compliant connection

Environmental requirements

• Temperature: 0–40°C (32–104° F)
• Relative humidity: 95% max (non-condensing)
• Altitude: -1000–13,000 ft (-304.8–3962.4 m)
• Light Exposure: Fluorescent overhead lighting and window filtered daylight (typical offices)

Regulatory compliance—Approvals gained

Electrical safety

• UL60950-1 (USA/Canada)
• IEC / EN60950-1 (EU)
• GOST
• MIC
• CQC

EMC—general

• CISPR22

EMC—USA (Class B)

• FCC Part 15

EMC—Canada (Class B)

• ICES00.3: 1998

EMC—EU (Class B)

• EN 55022
• EN 55024

EMC—ROW (Class B)

• C-Tick (Australia)
• VCCI (Japan)
• GOST (Russia)
• MIC (Korea)
• CQC (China)

Optimized for Microsoft® Lync®

• Microsoft® Lync® Server 2013
• Microsoft® Lync® Server 2010
• Microsoft® Communications Server 2007 R2

Warranty

• 12 months

Polycom CX300 USB desktop phone ships with:

• CX300 USB desktop phone base
• Handset
• 6 ft handset curly cord
• Captive USB cable
• Quickstart Guide
• Product registration card
• Warranty card

* Is dependent on Audio Signal Processing on Microsoft Lync client