Description
The Polycom IP331 is a two-line SIP phone that delivers superb sound quality as well as a wide range of supported business telephony features. The SoundPoint IP 331 phone has a dual 10/100 Ethernet port and is designed for common areas, such as lobbies, hallways, and break rooms, as well as various wall-mounted deployments.
– Excellent Sound Quality
– 2 Lines, Single Ethernet with PoE
– Remote, Zero-Touch Provisioning
Lines (Directory Numbers)
– Up to 2 lines with up to 2 calls per line
Display
– 102 x 33 pixel-graphical LCD
Feature Keys
– 3 context-sensitive soft keys
– 2 line keys with bi-color (red/green) LED
– 2 feature keys (Menu and Dial)
– 4-way navigation key cluster with center Select key
– 2 volume control keys
– Dedicated hold key
– Dedicated headset key
– Dedicated hands-free speakerphone key
– Dedicated microphone mute key
Headset Compatibility
– Dedicated 2.5-mm headset port compatible with most monaural mobile phone headsets
Hearing Aid Compatibility
– Compliant with ADA Section 508
Recommendations: Subpart B 1194.23 (all)
– Hearing Aid Compatible (HAC) handset for magnetic coupling to approved HAC hearing aids
– Compatible with commercially-available TTY adapter equipment
Audio Features
– Full-duplex hands-free speakerphone with Polycom
– Acoustic Clarity Technology Type 1 compliant with IEEE 1329 full duplex standards
– Frequency response – 300Hz-3300Hz for handset,headset and hands-free speakerphone modes
– Codecs: G.711 /A and G.729A (Annex B)
– Individual volume settings with visual feedback for each audio path
– Voice activity detection
– Comfort noise fill
– DTMF tone generation / DTMF event RTP payload
– Low-delay audio packet transmission
– Adaptive jitter buffers
– Packet loss concealment
– Acoustic echo cancellation
– Background noise suppression
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