Polycom Soundtstation Duo 
Telefone de conferênçia hibrida, IP e analógica.
Conexão analogica e IP:
Totalmente hibrida, pode escolher utilizar a Soundstation Duo no modo analógico ou no modo IP (SIP).
Interface de utilizador:
Com um ecrã LCD retroiluminado (248 x 68 pixeis) pode aceder a todas as funcionalidades do telefone, tais como: transferençia de chamadas, chamadas perdidas, renumeração, conferênçia...
Tecnologia HD voice:
Com a tecnologia sonora exclusiva da Polycom, a Soundstation Duo oferece-lhe uma qualidade de voz incrivel. A Polycom Soundstation Duo ajusta automáticamente o volume e a sensibilidade do microfone conforme os participantes.
Devido ao HD Voice e ao audio Full Duplex cancela o eco e anula as interferençias dos telemóveis e dos aparelhos wireless.
Caracteristicas técnicas:
Power
• IEEE 802.3af Power over Ethernet
• Optional external universal AC power supply: 100-240V, 24V, 0.5A, 2.5mm DC plug
Display
• Size (pixels): 248 x 68 (W x H)
• White LED backlight with custom intensity control
Keypad
• Standard 12-key keypad
• Context-dependent soft keys: 4
• On-hook/Off-hook, conference, redial, mute, volume up/down, menu, navigation keys
Audio Features
• 3 cardioid microphones: 200-7000 Hz
• Loudspeaker frequency response: 220-7000 Hz
• 10ft (3m) microphone pickup
• Volume: Adjustable to 86 dB at 0.5 meter peak volume
• 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
SIP Call Handling 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
Other Features
• Automated failover (SIP to PSTN)
• SIP Server Redundancy
• Time and date display/call timer
• User-configurable contact directory and call history (missed, placed, and received)
• Corporate Directory (LDAP) support
• User selectable ringer tones
• Wave file support for call progress tones
• Unicode UTF-8 character support
• Multilingual user interface encompassing Simplified Chinese, Traditional Chinese Danish, Dutch, English (Canada /US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, Swedish
• Called, connected party information
• Support for multiple Caller ID standards**:
- Bellcore Type 1
- ETSI
- DTMF
Interfaces
• Ethernet 10/100 Base-T
• Two-wire RJ-11 analog PBX or public switched telephone network interface
• 2.5mm connection port***
• 2 RJ9 expansion microphone ports
Network and Provisioning
• IP Address Configuration: DHCP and Static IP
• Time synchronization with SNTP server
• FTP/TFTP/FTPS/HTTP/HTTPS server-based central provisioning for mass deployments. Provisioning server redundancy supported.
• Web portal for individual unit configuration and online software upgrade
• QoS Support -- IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS and DSCP
• Network Address Translation (NAT) support - static
• RTCP support (RFC 1889)
• Configuration import/export
• Local digit map (dialing plan)
• Hardware diagnostics
• Status and statistics
• Reset to factory settings
| Especificações | Dupla conexão: analógico e IP |
| Nº de pessoas | 4 - 8 |
| Superficíe | +/-25² |
| Full Duplex | SIM |
| Microfones integrados | 3 |
| Microfones adicionais | 2 |
| Conforto |  |
| Qualidade de som | excelente |
| Cobertura 360º | SIM |
| Écran LCD | SIM |
| Com teclado telefónico | SIM |
| Entrada para micro-auscultador | SIM |
| Dimensões (mm) | 34.6 x 32.7 x 6.4 cm |
| Garantia | 1 año |
