Polycom SoundPoint IP 550

Varenummer 205140
Polycom SoundPoint IP 550
  • Polycom SoundPoint IP 550
2.062,50 DKK
Cutting-edge SIP feature set meets Polycom HD Voice.

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 headset 1 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 (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 Features1

  • 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 telephony4 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 SNTP3 / HTTPS server-based central
  • FTP / TFTP / HTTP provisioning for mass deployments4 and call server redundancy supported
  • Provisioning
  • 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


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


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

1 Some of these features need to be supported by an appropriate call / applications server.
2 Please visit http://www.polycom.com/techpartners.htm for a list of supported platforms.
3 Requires BootROM version 3.2.x or higher.
4 Requires SIP version 2.0.x or higher.
5 In some calling scenarios, such as IP to PSTN, Polycom HD Voice will not be available and the call will progress in narrowband instead.
1200 gr.
PC-Communication ApS - Ulvehavevej 44 - DK 7100 Vejle - Telefon +45 46920578 Mobil +45 21751088 - Fax + 45 77345309 - E-mail mail@ip-phones.dk - CVR 31895456
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