Hosted Voice

• Voice Activity Detection • Low-delay Audio Packet Transmission • Packet Loss Concealment • 3x Cardioid Microphones • Poly Noise Block • Adaptive Jitter Buffers • Communications Protocol: SIP Poly Trio 8300 Poly VVX 250 Poly VVX 450 Features Features Features • Full Duplex speakerphone • Poly Acoustic fence • Shared call & call waiting • World-Class Echo cancellation • Poly Noise Block • Poly HD voice quality • Communications Protocol: SIP • Voice Activity Detection • Adaptive jitter buffers • Packet Loss Concealment • Comfort noise generation • HD Voice • Acoustic Clarity • Password Login • Fully duplex speakerphone All Phone Models Feature: Power over Ethernet (POE), HD Voice. Paging, and Headset Support