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The Polycom SoundStation Duo is a dual-mode conference phone with both analog and VoIP capabilities. This conference speakerphone provides exceptional deployment flexibility and best-in-class investment protection. Designed for small to midsize conference rooms, SoundStation Duo is easy to set up and use. Also, this unified communications system delivers Polycom’s legendary HD audio performance. In VoIP environments, the SoundStation Duo conference phone delivers the most robust, standards-based interoperability in the industry.
| I/O ports and slot |
Power |
| Additional ports and slots | Display • Size (W x H): 248 x 68 pixels • White LED backlight with custom intensity control |
| Memory and processor | 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 |
| Performance | 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 |
| AP characteristics: Radios (via optional modules) | 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 |
| Maximum power rating | Network and provisioning • IP Address Configuration - DHCP and Static IP • Time synchronization with SNTP server • FTP/TFTP/FTPS/HTTP/HTTPS serverbased 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 • Telchemy® VQmon® support • Network Address Translation (NAT) support—static • RTCP support (RFC 1889) • Configuration import/export |