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 offers 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 and distractions.

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 offering end users easy access to the most frequently used call functions, such as directory, hold/resume and transfer.

Easy deployment and administration

The Polycom VVX 250 integrates seamlessly into a wide range of UC environments. The enterprise-grade, web-based configuration tool makes the installation of the VVX 250 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 staff via broad, standards based, open APIs.

VVX 250 Hardware Feature Descriptions

Reference Number	Feature	Feature Description
1	Line keys	Enable you to select a phone line, view calls on a line, or quickly call a favorite contact.
2	Reversible tab	Secures the handset in the cradle when your phone stand is positioned at a high angle. To secure the handset, remove the tab, reverse it so the protrusion points up, and re-insert it. Position the handset so the protrusion on the tab fits into the slot on the handset.
3	Speaker	Provides ringer and speakerphone audio output.
4	Back key	Enables you to return to the previous screen.
5	Transfer key	Transfers an active call to a contact.
6	Hold key	Holds an active call or resumes a held call.
7	Volume keys	Adjust the volume of the handset, headset, speaker, and ringer.
8	Dial pad	Enables you to enter numbers, letters, and special characters. You can also use the dial pad keys to select menu items that have index numbers.
9	Mute key	Mutes local audio during calls and conferences.
10	Speakerphone key	Enables you to place and receive calls using the speakerphone.
11	Headset key	Enables you to place and receive calls through a headset.
12	USB Port	Enables you to attach a USB flash drive or USB headset.
13	Home key	Displays the Home screen from other screens and displays the Lines and Calls screen from the Home screen.
14	Navigation keys / Select key	Scrolls through information or options displayed on the phone's screen. Selects a field of displayed data.
15	Soft keys	Enable you to select context sensitive keys that display along the bottom of the screen.
16	Security slot (on back)	Enables you to attach a universal security cable lock to your phone so you can secure it to a desktop.
17	Screen	Shows a 6.35 cm (2.5-inch) monochrome display that enables you to view menu options and data.
18	Message Waiting Indicator	Flashes red to indicate when you have new messages.

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 buffers
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 line extension) Distinctive incoming call treatment/call waiting
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 PC ports
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
Korea KCC3
UAE TRA
Russia CU3
Brazil ANATEL3
Australia RCM
South Africa ICASA3
Saudi Arabia CITC
China CCC3
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

Operating conditions

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

Storage temperature

-40 to +70°C (-40 to +160°F) Polycom® VVX® 250 comes with
Console
Desk Stand/Wall Mount Bracket
Handset with handset cord
Network (LAN) Cable—CAT-5E
Setup Sheet

Size

24cm x 23cm x 5.7cm WxHxD
9.4in x 10in x 2.2in WxHxD

Polycom VVX 250 Business IP Phone