SoundStation Duo Dual-mode conference phone for analog and SIP environments.

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

Display

• Size (W x H): 248 x 68 pixels
• 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, 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

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
• *Also available in PSTN mode

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
• ** Due to the diversity of Caller ID standards, some features may not be available in all areas. In addition, the quality of the telephone line connection may affect Caller ID functionality. Caller ID service may require a subscription from a service provider in your area.

Interfaces

• 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).

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
• Local digit map (dialing plan)
• Hardware diagnostics
• Status and statistics
• Reset to factory settings

Security

• Transport Layer Security (TLS)
• Encrypted configuration files
• Digest authentication
• Password login
• Support for URL syntax with password for boot server
• HTTPS secure provisioning
• Support for signed software executables
• IEEE 802.1x Network Access Control

Safety

• CE Mark
• EN60950-1
• IEC60950-1
• UL60950-1
• CAN/CSA C22.2 No.60950-1-03
• AS/NZS60950-1
• RoHS Compliant

EMC

• FCC Part 15 (CFR 47) Class B
• ICES-003 Class B
• EN55022 Class B
• CISPR22 Class B
• AS/NZS CISPR22 Class B
• VCCI Class B
• EN22024

Telecom

• FCC Part 68
• AS/ACIF S002/S004
• Telepermit
• KC
• GOST-R
• TRA
• Protocol support
• IETF SIP (RFC 3261 and companion RFCs)

SoundStation Duo ships with

• Conference phone console
• 21 ft (6.4 m) combined analog and Ethernet cable with power injection module
• Universal power supply 24 V, 0.5 A
• 7 ft (2.1 m) region-specific power cord
• 7 ft (2.1 m) Ethernet cable
• 7 ft (2.1 m) telephony cable (RJ11)
• Quick Start Guide

Accessories

• 2 x expansion microphones 200–7000 Hz

Environmental conditions

• Operating temperature
  • 32–104° F (0–40° C)
• Relative humidity
  • 20–85% (non‑condensing)
• Storage temperature: -22–131°F
  • (-30–55°C)

Warranty

• 1-year

Country of origin

• 2200-19000-001 - Made in China
• G2200-19000-001 - Assembled in USA

Phone dimensions (L x W x H)

• 15.6 x 12.9 x 2.5 in (34.6 x 32.7 x 6.4 cm)

Phone console weight

• 1.62 lb (0.74 kg)

Box dimensions (L x W x H)

• 13.9 x 18 x 3.7 in (35.3 x 45.8 x 9.4 cm)

Box weight

• 4.56 lb (2.06 kg)

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