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High Definition Voice

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Introducing IP5280 HD Voice
 
Delivers 2-4x the clarity of ordinary phone calls with wideband technology
Polycom patented Acoustic Clarity Technology 2, which means:
 
• Industry-leading full duplex communications with echo cancellation
• Noise reduction with advanced voice processing
• Integrated hardware and software that maximizes the overall sound quality
 
High-fidelity IP5280 HDVoice Technology Highlights
 

The 'old phone company' is limited to 3.3kHz bandwidth
IP-based voice uses 7kHz wideband delivering superior quality by several orders of magnitude.