Polycom SoundPoint IP 550 | Điện thoại SoundPoint IP 550 chính hãng

Thông số kỹ thuật điện thoại IP Polycom SoundPoint 550:

Lines (direct numbers) 

• Up to 4 lines with up to 24 concurrent calls per line

Expansion  module mode 

• Up to 48 line keys/appearances

• Up to 47 remote party BLF line monitors

• Up to 34 SIP registrations

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

• 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 optional headset1,5

• Full-duplex hands-free speakerphone

• Type 1 compliant with IEEE 1329 full duplex standards

• Frequency response—150Hz – 7kHz for handset1 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 features2

• 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

Security2

• Transport Layer Security (TLS)3

• Secure Real-time Transport Protocol (SRTP)

• Shipped with X.509 certificate installed

• Encrypted configuration files3

• Digest authentication

• Password login

• Support for URL syntax with password for boot server

• HTTPS secure provisioning

• Support for signed software executables

Power

• Built-in, auto-sensing IEEE 802.3af Power over Ethernet

• External Universal AC adapter (included 24V DC)

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

• Anatel

• GOST

• C-tick

• CCC

Safety

• UL/C-UL

• CE Mark

• EN 60950-1

• IEC 60950-1

• AS/NZS 60950

Operating  conditions

• Temperature: 0 to 40°C (+32 to 104°F)

• Relative Humidity: 5% to 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

Kích thước

• 10.5 in x 6 in x 7.5 in x 2.5 in