- Polycom IP conference phone- SIP integration with Avaya Aura (communication manager), IP office and integral platforms- DevConnect-certified for SIP interoperability with Avaya SIP platforms- 22 kHz CD-quality Polycom HD Voice technology for life-like clarity and intelligibility- 20-foot (6-meter) microphone pickup range- Able to connect two units together for additional microphone pickup and speaker volume- Offers integration with Polycom HDXâ„¢ high definition video conferencing systems