DATA SHE ET
Polycom® VVX® 250 Business IP Phone
Four-line, basic IP desk phone with color display
The Polycom® VVX® 250 business IP desk phone is a high quality, four-line, IP phone
that delivers reliable performance and an enterprise grade sound quality. It is ideal for
knowledge workers, cubicle workers who need the high-quality features that today’s
modern business environment demands.
Industry’s best audio
The VVX 250 oers both Polycom® HD Voice™ and Polycom® Acoustic Fence™
technologies. Together, they dramatically improve the most important component of
the VVX experience—voice clarity.
HD Voice delivers superior, high definition sound quality through industry leading,
advanced voice processing capabilities. The Polycom’s exclusive Polycom Acoustic
Fence technology keeps business conversations free from extraneous noises,
echoes anddistractions.
Intuitive user interface
The VVX 250 combines an attractive new ergonomic hardware design and an intuitive
user interface that together reduce the time spent learning new features and functions.
The VVX 250 improves personal productivity by oering end users easy access to the
most frequently used call functions, such as directory, hold/resume and transfer.
Easy deployment and administration
The Polycom V VX 250 integrates seamlessly into a wide range of UC environments.
The enterprise-grade, web-based configuration tool makes the installation of the
VVX250 a breeze, allowing administrators to easily provision large numbers of phones
throughout the entire organization. The VVX 250 phones are easy to deploy and
administer for Service Providers and IT sta via broad, standards based, open APIs.
Benefits
• Make more natural and life-like
calls with Polycom HD Voice
• 2.8” color display: an engaging
experience oering visual
information at a glance
• Two Gigabit Ethernet ports
oer cost savings and
performancebenefits
• USB port enables users to move
data around more quickly
• Integrates with more than
60industry leading call
controlplatforms
• Web-based configuration tool
makes the VVX 250 phones easy
to administer, a breeze to upgrade
and maintain throughout their
entire lifecycle
DATA SHEET Polycom VVX 250 Business IP Phone
Product specifications
User interface features
• 2.8” color LCD screen (320x 240 pixel
resolution)
• Voicemail support1
• WebKit-based browser
• Adjustable base height
• Unicode UTF-8 character support
• Single USB port (2.0 compliant) for media
and storage applications
• Multilingual user interface including
Chinese, Danish, Dutch, English (Canada/
US/UK), French, German, Italian, Japanese,
Korean, Norwegian, Polish, Portuguese,
Russian, Slovenian, Spanish, and Swedish
Audio features
• Polycom® HD Voice™ technology delivers
lifelike voice quality for each audio path
handset, the hands-free speakerphone,
and the optional headset
• Polycom® Acoustic Clarity™ technology
providing full-duplex conversations,
acoustic echo cancellation and
background noise suppression
• Type 1 compliant (IEEE 1329 full duplex)
• Frequency response—150 Hz—7 kHz for
handset, optional headset and handsfree
speakerphone modes
• Codecs: G.711 (A-law and μ-law), G.729AB,
G.722, G.722.1, iLBC
• Individual volume settings with visual
feedback for each audio path
• Voice activity detection
• Comfort noise generation
• DTMF tone generation (RFC 2833 and
in-band)
• Low-delay audio packet transmission
• Adaptive jitter buers
• Packet loss concealment
• OPUS support
Headset and handset compatibility
• Dedicated RJ-9 headset port
• Hearing aid compatibility to ITU-T P.370
and TIA 504A standards
• Compliant with ADA Section 508 Subpart
B 1194.23 (all)
• Hearing aid compatible (HAC) handset for
magnetic coupling to hearing aids
• Compatible with commercially-available
TTY adapter equipment
Call handling features
• 4 lines (programmable line keys)
• Shared call/bridged line appearance
• Busy Lamp Field (BLF)
• Flexible line appearance (1 or more
line keys can be assigned for each
lineextension)
• Distinctive incoming call treatment/
callwaiting
• Call timer and call waiting
• Call transfer, hold, divert (forward), pickup
• Called, calling, connected party
information
• Local 3-way audio conferencing 1-touch
speed dial, redial
• Remote missed call notification
• Do not disturb function
• Electronic hook switch capable
• Local configurable digit map/dial plan
Open application platform
• WebKit-enabled full browser that supports
HTML5, CSS, SSL security, and JavaScript
• Supports Polycom Apps SDK and API
for third-party business and personal
applications
• Bundled with Polycom UC Software:
• Corporate directory access using LDAP
• Visual Conference Management
Network and provisioning
• SIP Protocol Support
• SDP
• IETF SIP (RFC 3261 and companion RFCs)
• Two-port gigabit Ethernet switch
10/100/1000Base-TX across LAN and
PCports
• Conforms to IEEE802.3-2005 (Clause 40)
for Physical media attachment
• Conforms to IEEE802.3-2002 (Clause 28)
for link partner auto-negotiation
• Manual or dynamic host configuration
protocol (DHCP) network setup
• Time and date synchronization using SNTP
• FTP/TFTP/HTTP/HTTPS server-based
central provisioning for mass deployments
• Provisioning and call server redundancy
supported
• QoS Support—IEEE 802.1p/Q tagging
• (VLAN), Layer 3 TOS, and DHCP
• VLAN—CDP, DHCP VLAN discovery,
• LLDP-MED for VLAN discovery
• Network address translation support for
static configuration and “keep-alive”
• SIP signaling
• RTCP and RTP support
• Event logging
• Syslog
• Hardware diagnostics
• Status and statistics reporting
• IPv4 and IPv6
• TCP
• UDP
• DNS-SRV
Security
• 802.1X Authentication and EAPOL Media
encryption via SRTP
• Transport layer security)
• Encrypted configuration files
• Digest authentication
• Password login
• Support for URL syntax with password for
boot server address
• HTTPS secure provisioning
• Support for signed software executables
Power
• Built-in auto sensing IEEE 802.3af Power
over Ethernet (Class 2) 4.5 W (Max)
• External Universal AC/DC Adapter
(optional) 5VDC @ 3A (15W)
• ENERGY STAR® rated
Approvals
• FCC Part 15 (CFR 47) Class B
• ICES-003 Class B
• EN55032 Class B
• ISPR32 Class B
• VCCI Class B
• EN55024
• EN61000-3-2; EN61000-3-3
• NZ Telepermit
• UAE TRA
• Russia CU
• Brazil ANATEL
3
3
• Australia RCM
• South Africa ICASA
3
• Saudi Arabia CITC
1
• China CCC
3
• RoHS Compliant
Safety
• UL 60950-1/62368-1
• CE Mark
• CAN/CSA C22.2 No 60950-1/62368-1-1
• EN 60950-1/62368-1
• IEC 60950-1/62368-1
• AS/NZS 60950-1