• Frequency response - 150 Hz - 7 kHz for the handset, optional headset and handsfree speakerphone modes
• Codecs: G.711 (A-law and μ-law), G.729AB, G.722, G.722.1, iLBC
• Individual volume settings with visual feedback for each audio path
• Voice activity detection
• Comfort noise generation
• DTMF tone generation (RFC 2833 and in-band)
• Low-delay audio packet transmission
• Adaptive jitter buffers
• Packet loss concealment
• 6 lines (programmable line keys)
• Shared call/bridged line appearance
• Busy Lamp Field (BLF)
• Flexible line appearance (one or more line keys can be assigned for each line extension)
• Distinctive incoming call treatment/call waiting
• Call timer and call waiting
• Call transfer, hold, divert (forward), pickup
• Called, calling, connected party information
• Local three-way audio conferencing
• One-touch speed dial, redial
• Remote missed call notification
• Do not disturb the function
• Electronic hook switch capable
• Local configurable digit map/dial plan

• Polycom VVX 310MS Business Media Phone with Microsoft Lync
• Handset with Handset Cord
• CAT-5E Network LAN Cable
• Limited 1-Year Manufacturer Warranty

Note: Power Supply not included

Product Model Number: 2200-46161-018