Description
Lines (Directory Numbers)
– Up to 2 lines with up to 2 calls per line
Display
– 102 x 33 pixel backlit grayscale graphical LCD
– LED backlight with custom intensity control
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 and Hearing Aid Compatibility
– Dedicated RJ-9 headset port amplified headsets are recommended
– 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
– Polycom HD Voice technology delivers life-like voice quality for each audio path the handset, the hands-free speakerphone and the optional headset1
– Full-duplex hands-free speakerphone
– Type 1 compliant with IEEE 1329 full duplex standards
– Codecs: G.722 (wideband), G.711 μ/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 cancellations
– Background noise suppression
Call Handling Features
– Shared call / bridged line appearance
– Flexible line appearance (one or more line keys can be assigned for each line extension)
– Distinctive incoming call treatment/call waiting
– Call timer
– Call transfer, hold, divert(forward), pickup
– Called, calling, connected party information
– Local three-way conferencing
– One-touch speed dial, redial
– Call waiting
– Remote missed call notification
– Intercom
– Automatic off-hook call placement
– Do not disturb function
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