Polycom IP 550 Specifications

Lines(Directory Numbers)
• Up to 4 lines with up to 2 concurrent calls per line

Display
• 320 x 160-pixel backlit grayscale graphical LCD
• White LED backlight with custom intensity control

Feature Keys
• 4 context-sensitive “soft” keys
• 26 dedicated “hard” keys
- 4 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 Compatibility
• Dedicated RJ-9 headset port
- Amplified headsets are recommended

Hearing Aid Compatibility
• Compliant with ADA Section 508 Recommendations: Subpart B 1194.23 (all)
• Hearing Aid Compatible (HAC) handset for magnetic coupling to approved HAC hearing aids
• Compatible 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 optional headset1, 5
• Full-duplex hands-free speakerphone
- Type 1 compliant with IEEE 1329 full duplex standards
• Frequency response - 100Hz - 7kHz for handset, optional headset and hands-free speakerphone modes
• Codecs: G.722 (wideband), G.711 μ/A, and G.729A
• 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
• Interoperability with Microsoft LCS 2005 for telephony and presence
• 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, Portuguese, Russian, 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 / HTTP3 / HTTPS3 server-based central provisioning for mass deployments
• Provisioning4 and call 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 for static configuration and “Keep-Alive” SIP signalling
• RTCP support (RFC 1889)
• Event logging
• Syslog
• Local digit map
• Hardware diagnostics
• Status and statistics reporting

Security
• Transport Layer Security (TLS)4
• Encrypted configuration files4
• Digest authentication
• Password login
• Support for URL syntax with password for boot server address
• HTTPS secure provisioning3
• Support for signed software executables3

Power
• Built-in, auto-sensing IEEE 802.3af Power over Ethernet
• External Universal input AC adapter (included; 24V DC @ 500mA min.)

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
• Anatel
• GOST
• C-tick
• CCC

Safety
• CE Mark
• EN 60950-1
• IEC 60950-1
• AS/NZS 60950-1
• UL/C-UL

Operating Conditions
• Temperature: +10 to 40°C (+50 to 104°F)
• Relative Humidity: 20% to 85%, non-condensing

Storage Temperature
• -40 to +70°C (-40 to +160°F)

Comes With:
• SoundPoint IP 550 console
• Handset with handset cord
• Base stand
• Network (LAN) cable
• Universal power adapter (including country-specific cord kit)
• Quick Start Guide
• Product registration card