Product Specifications; Audio Features; Call Handling Features - ADTRAN IP 335 Specifications

ADTRAN IP 335
Dual-line SIP Phone with the Unmatched Clarity of HD Voice

Product Specifications

Lines (Direct Numbers)
Up to 2 lines with up to 8 simultaneous calls total
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Display
102 x 33 pixel backlit grayscale graphical LCD
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LED backlight with custom intensity control
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Message Waiting Indicator (MWI) LED
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Feature Keys
3 context-sensitive "soft" keys
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2 line keys with bi-color (red/green) LED
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2 feature keys ("Menu" and "Dial")
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4-way navigation key cluster with center "Select" key
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2 volume control keys
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Dedicated hold key
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Dedicated headset key
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Dedicated hands-free speakerphone key
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Dedicated microphone mute key
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Optional Messages Key
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Headset and Hearing Aid Compatibility
Dedicated RJ-9 headset port
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Compliant with ADA Section 508 Recommendations:
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Subpart B 1194.23 (all)
Hearing Aid Compatible (HAC) handset for magnetic
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coupling to TIA 504-A and ITU P.370 standards
Compatible with commercially available TTY adapter
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equipment

Audio Features

HD Voice technology delivers life-like voice quality f
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or each audio path – the handset, the hands-free
speakerphone and the optional headset 1
Full-duplex hands-free speakerphone
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Type 1 compliant with IEEE 1329 full duplex standards
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Codecs: G.722 (wideband), G.711 μ/A, G.729A (Annex
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B) and iLBC
Individual volume settings with visual feedback for
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each audio path
Voice activity detection
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Comfort noise fill
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DTMF tone generation/DTMF event RTP payload
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Low-delay audio packet transmission
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Adaptive jitter buffers
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Packet loss concealment
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Acoustic echo cancellations
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Background noise suppression
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Call Handling Features

2
Shared call/bridged line appearance
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Busy Lamp Field (BLF)
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Flexible line appearance (one or more line keys can
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be assigned for each line extension)
Distinctive incoming call treatment/call waiting
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Call timer
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Call transfer, hold, divert (forward), pickup
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Called, calling, connected party information
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Local three-way conferencing
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One-touch speed dial
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Call waiting
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Remote missed call notification
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Intercom
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Automatic off-hook call placement
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Do not disturb function
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