SoundStation Duo – Polycom Conference Phones

About the Product:

Polycom IP dual-mode conference phone system.  SoundStation Duo is used for Analog and SIP environment.  This is suitable for medium-sized conference rooms of 20-50㎡

Key Features of SoundStation Duo:

Use in analog or IP Mode.

Digital answering system

HD Voice HD Voice with up to 7kHz audio

Specifications:

Power:

• IEEE 802.3af Power over Ethernet
• External universal AC power supply: 100–240 V, 24 V, 0.5 A, 2.5 mm DC plug

Keypad:

• Standard 12-key keypad
• Context-dependent soft keys: 4
• On-hook/Off-hook, conference, redial, mute, volume up/down, menu, 5-way navigation keys

Audio Features:

• 3 cardioid microphones: 200–7000 Hz
• Loudspeaker frequency response: 220–7000 Hz
• 10 ft (3 m) microphone pickup
• Volume
  • Adjustable to 86 dB at 0.5 meter peak volume
• Full-duplex
  • Type 1 compliant with IEEE 1329
• 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
• Supported codecs
  • G.711 (A-law and Mu-law)
  • G.729a (Annex B)
  • G.722
  • iLBC 13.33 and 15.2kbps
  • Acoustic echo cancellation
  • Background noise suppression
• Display:
• Size (W x H): 248 x 68 pixels
• White LED backlight with custom intensity control
• Interface:
• Ethernet 10/100 Base-T
• Two-wire RJ-11 analog PBX or PSTN interface
• 2.5 mm connection port***
• 2 RJ9 ports for wired expansion microphones
• *** SoundStation Duo uses a cable that connects to a standard 2.5mm headset connector. If your mobile phone model or PC does not support this type of connection you will need an adapter (not included).
• SIP Call Holding Features:
• Call hold*
• Call transfer, divert (forward) and pickup
• Distinctive incoming call treatment/ call waiting
• Advanced Local three-way conferencing (conference, join, split, hold, resume)
• One-touch speed dial, redial*
• Remote missed call notification
• Automatic off-hook call placement
• SIP URI dialing
• Do not disturb function
• Shared call/bridged line appearance
• Busy Lamp Field (BLF)
• Multicast Group Paging and Push-to-Talk
• *Also available in PSTN mode