SoundPoint IP 550. Telefone do tipo Desktop, suporta até 3 linhas SIP e HDVoice, com 2 portas 10/100, sendo 1 porta PoE . INCLUI fonte de alimentação Bivolt.

Especificações Técnicas:

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

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

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
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
headset1.5
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 ì/A, and G.729A (Annex B)
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
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/HTTPS3 server-based central provisioning for mass deployments.
Provisioning4 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
Syslog
Local digit map
Hardware diagnostics
Status and statistics

Security
Transport Layer Security (TLS)3
Encrypted configuration files3
Digest authentication
Password login
Support for URL syntax with password for boot server
HTTPS secure provisioning3
Support for signed software executables3

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

Operating Conditions
Temperature: 0 to 40°C (+32 to 104°F)
Relative humidity: 5%-95% (noncondensing)

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

SoundPoint IP 550 Comes with
SoundPoint IP 550 console
Handset with handset cord
Base stand
Network (LAN) cable
Universal power adapter (including country-specific cord kit)5
Quick Start Guide
Product registration card

Size
10.5 in x 6 in x 7.5 in x 2.5 in
(26.5 cm x 15 cm x 19 cm x 6.5 cm) (W x H x D x T)

Especificacoes: