Lines
(Directory Numbers)
Up to 4 lines with up to 2 concurrent calls per line
Display
320 x 160-pixel backlit grayscale graphical LCD
White LED back light with custom intensity control
Feature Keys
4 context-sensitive “soft” keys
26 dedicated “hard” keys
4 line keys with bi-color (red/green) LED
8 feature keys
6 display/menu navigation keys
2 volume control keys
Illuminated mute key
Illuminated headset key
Illuminated hands-free speakerphone key
Dedicated hold key
Headset Compatibility
Dedicated RJ-9 headset port
Amplified headsets are recommended
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
Polycom HD Voice technology delivers life-like voice
quality for each audio path - the handset, the
hands-free speakerphone, and the optional headset1, 5
Full-duplex hands-free speakerphone
Type 1 compliant with IEEE 1329 full duplex standards
Frequency response - 100Hz - 7kHz for handset, optional headset
and hands-free speakerphone modes
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
L ow-delay audio packet transmission
Adaptive jitter buffers
Packet loss concealment
Acoustic echo cancellation
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)
Busy Lamp Field (BLF)
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 |
Lines
(Directory Numbers)
Up to 4 lines with up to 2 concurrent calls per line
Display
320 x 160-pixel backlit grayscale graphical LCD
White LED backlight with custom intensity control
Feature Keys
4 context-sensitive “soft” keys
26 dedicated “hard” keys
4 line keys with bi-color (red/green) LED
8 feature keys
6 display/menu navigation keys
2 volume control keys
Illuminated mute key
Illuminated headset key
Illuminated hands-free speakerphone key
Dedicated hold key
Headset Compatibility
Dedicated RJ-9 headset port
Amplified headsets are recommended
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
Polycom HD Voice technology delivers life-like voice
quality for each audio path - the handset, the
hands-free speakerphone, and the optional headset1, 5
Full-duplex hands-free speakerphone
Type 1 compliant with IEEE 1329 full duplex standards
Frequency response - 100Hz - 7kHz for handset, optional headset
and hands-free speakerphone modes
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
L ow-delay audio packet transmission
Adaptive jitter buffers
Packet loss concealment
Acoustic echo cancellation
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)
Busy Lamp Field (BLF)
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 |
ClearOne
