The Specs

Additional Specifications
Green Compliance Yes
Frequency Band Redial Call Waiting Voice Activity Detection Local Three-way Conferencing Comfort Noise Fill Adaptive Jitter Buffers Packet Loss Concealment Acoustic Echo Cancellation Background Noise Suppression Full-duplex hands-free Speakerphone Power over Ethernet (PoE) support Up to 12 lines with Expansion Modules Expandable to support three Expansion Modules Interoperable with leading SIP-based IP PBX and Softswitch platforms
IP Phone Technology VoIP
Number of USB Ports 1
Parent Retsku B002ZLYD46
Backlight Yes
Buttons & Keys 26 x Key - Dedicated
Voice Codec G.729A (Annex B)
Product Line SoundPoint
Total Number of Phone Lines 6
Back Light Yes
Product Model IP650
Brand Name Polycom
Communication Protocols SIP
Headset Port Yes
Quick Glance

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