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Poly SoundPoint IP 650 HD Desktop Phone

This is an end of life product – Please contact our sales team for the up to date models.


Delivering revolutionary voice quality, an advanced feature set, and the expandability to support SoundPoint IP Expansion Modules

Designed to appeal to both executive users who require advanced features and applications, and telephone attendants who need multiple line support, the Poly SoundPoint IP 650 sets a new standard for high-performance IP phones.

Revolutionary Voice Quality
The SoundPoint IP 650 is the first IP phone to use Poly’s revolutionary HD Voice technology to bring life-like richness and clarity to voice communications. Poly HD Voice incorporates wideband audio for over twice the voice clarity, Poly’s patented Acoustic Clarity Technology, as well as best-in-class system design to deliver unprecedented voice quality.

Intuitive User Interface
The SoundPoint IP 650 delivers all of its capabilities through an intuitive user interface, featuring a backlit 320×160 graphical grayscale LCD display, easy-to-navigate menu, and a combination of 26 dedicated hard keys and 4 context-sensitive soft keys for easy access to essential telephony features. 


  • Six-line executive phone
  • Revolutionary voice quality with Poly HD Voice
  • Advanced, cutting-edge features and applications
  • Expandable to support three Expansion Modules
  • Interoperable with leading SIP-based IP PBX and Softswitch platforms
  • SIP
  • Six lines (standalone) / 12 lines (with the Expansion Module)
  • Poly HD Voice technology, including support of G.722 wideband codec, Acoustic Clarity Technology, and systems design optimized for HD Voice
  • Advanced functionality, including shared lines, busy lamp field, presence, and XHTML applications
  • Support of up to three SoundPoint IP Expansion Modules
  • Backlit 320 x 160-pixel grayscale graphical LCD
  • Integrated IEEE 802.3af Power over Ethernet (PoE) support
  • USB port for future applications

Lines (Direct Numbers)
Up to 6 lines (standalone mode)
Up to 12 lines with Expansion Module(s)

SoundPoint IP Expansion Module Support
Supports up to three Expansion Modules

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
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
Poly HD Voice technology delivers life-like voice quality for each audio path - the handset, the hands-free speakerphone, and the headset1
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, 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
Automatic off-hook call placement
Do not disturb function
Other Features
Integration with Microsoft LCS 2005 for telephony and presence3
- 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 peripherals5
- 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, 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 / 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
Network Address Translation (NAT) support – static
RTCP support (RFC 1889)
Event logging
Local digit map
Hardware diagnostics
Status and statistics

Transport Layer Security (TLS)3
Encrypted configuration files3
Digest authentication
Password login
Support for URL syntax with password for boot server 4
HTTPS secure provisioning4
Support for signed software executables4

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

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

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

SoundPoint IP 650 Comes With
SoundPoint IP 650 console
Handset with handset cord
Base stand
Network (LAN) cable
Universal power adapter (including country-specific cord kit)
Quick Start Guide
Product registration card

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)

Shipping: 2.75 lb (1.26 kg)
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