Lines (Direct Numbers)

• Up to six lines (standalone mode)
• Up to 24 concurrent calls

Expansion Module Mode

• Up to 48 line keys/appearances
• Up to 47 remote party BLF line monitors
• Up to 34 SIP registrations

SoundPoint IP Expansion Module Support

• Supports up to three Expansion Module

Display

• 320 x 160 backlit grayscale graphical LCD
• White LED backlight with custom intensity control
• Message Waiting Indicator (MWI) LED Feature Keys
• 4 context-sensitive “soft” keys
• 26 dedicated “hard” keys
- 6 line keys with bi-color (red/green) LED
- 8 feature keys
- 6 display/menu navigation keys
- 2 volume control keys
- Illuminated mute key
- Illuminated headset key
- Illuminated hands-free speakerphone key
- Dedicated hold key

Headset and Hearing Aid Compatibility

• Dedicated RJ-9 headset port
- Amplified headsets are recommended
• Compliant with ADA Section 508 Recommendations: Subpart B 1194.23 (all)
• Hearing Aid Compatible (HAC) handset for magnetic coupling to approved HAC hearing aids
• Compatibility with commercially-available TTY adapter equipment

Audio Features

• Polycom HD Voice technology delivers life-like voice quality for each audio path - the handset, the hands-free speakerphone, and the headset 1
• Full-duplex hands-free speakerphone - Type 1 compliant with IEEE 1329 full duplex standards
• Frequency response - 150Hz - 7kHz for handset, headset1 and hands-free speakerphone modes
• Codecs: G.722 (wideband), 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)
• Busy Lamp Field (BLF)
• 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

Other Features

• Integration with Microsoft LCS 2005 for telephone and presence 3
- Compatibility with Microsoft Office Communicator and Windows® Messenger 5.1
• Clients Universal Serial Bus (USB)
- Full Host Controller
- Compliant with OHCI 1.1 specification
- Support for Full-speed and Low-speed peripherals
- Type-A receptacle interface
• Local feature-rich GUI
• Time and date display
• User-configurable contact directory and call history (missed, placed, and received)
• Customizable call progress tones
• Wave file support for call progress tones
• Unicode UTF-8 character support. Multilingual user interface encompassing Chinese, Danish, Dutch, English (Canada/US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, Swedish

Protocol Support

• IETF SIP (RFC 3261 and companion RFCs)

Network and Provisioning

• Two-port 10/100 Mbps Ethernet switch
• Manual or dynamic host configuration protocol (DHCP) network setup
• Time and date synchronization using SNTP
• FTP/TFTP/HTTP/HTTPS4 server-based central provisioning for mass deployments.
• Provisioning server redundancy supported
• Web portal for individual unit configuration
• QoS Support – IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DSCP
• Network Address Translation (NAT) support – static
• RTCP support (RFC 1889)
• Event logging
• Local digit map
• Hardware diagnostics
• Status and statistics

Security

• Transport Layer Security (TLS) 3
• Secure Real-time Transport Protocol (SRTP)
• Shipped with X.509 certificate installed
• Encrypted configuration files 3
• Digest authentication
• Password login • Support for URL syntax with password for boot server 4
• HTTPS secure provisioning 4
• Support for signed software executables 4

Power

• Built-in, auto-sensing IEEE 802.3af Power over Ethernet
• External Universal AC adapter (included 48V DC) 5

Approvals

• FCC Part 15 (CFR 47) Class B
• ICES-003 Class B
• EN55022 Class B
• CISPR22 Class B
• AS/NZS CISPR 22 Class B
• VCCI Class B
• EN55024
• EN61000-3-2; EN61000-3-3
• ROHS compliant Safety • UL 60950
• CE Mark
• CAN/CSA-C22.2 No. 60950
• EN 60950-1
• IEC 60950-1
• AS/NZS 60950