Μεταχειρισμένο Polycom SoundPoint IP 321 (single-port 10/100 Ethernet port)
Χαρακτηριστικά:
Δύο SIP accounts
Full-duplex IEEE 1329 Type 1-compliant speakerphone with Polycom Acoustic Clarity Technology
102 x 33-pixel graphical LCD
Integrated 802.3af PoE support
Single 10/100 Ethernet RJ45 ports
Superb sound quality and full-duplex speakerphone performance with Clarity by Polycom acoustic technology
Integrated Power over Ethernet (PoE) support
Interoperability with leading IP PBX and Softswitch platforms
Message Waiting Indicator (MWI) LED
χωρίς τροφοδοτικό
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
• Optional Messages Key
• Dedicated microphone mute key
• Dedicated 2.5-mm headset port compatible with most monaural mobile phone headsets
Audio Features
• Full-duplex hands-free speakerphone with Polycom
• Acoustic Clarity Technology Type 1 compliant with IEEE 1329 full duplex standards
• Codecs: G.711 μ/A, G.729A (Annex B), and iLBC
• 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
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