Polycom VVX 450

The Polycom Professional IP Deskphone® VVX® 450 is a high performance, twelve-line, colour, IP business phone for small and medium-sized businesses. It is ideal for experts, executives and managers.

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Data sheet

Best audio quality in the industry

The VVX 450 combines Polycom technologies® HD Voice™ and Polycom® Acoustic Fence™ technologies. Together, they dramatically improve the most important element of the VVX experience: audio clarity.

HD Voice technology delivers high-definition audio quality with industry-leading advanced audio processing features. Polycom Acoustic Fence technology eliminates unwanted noise, echoes and other interference from business conversations.

Intuitive user interface

The Polycom VVX 450 is a desktop phone that fits the budget and communication needs of any business. It is packed with sophisticated features usually found only in high-end desk phones.

The VVX 450 is easy to use, reliable and elegant. It combines a new ergonomic design with an intuitive user interface that reduces the time needed to familiarise yourself with the new features.

Data sheet

User interface features
  • 4.3-inch LCD screen (480 x 272 pixel resolution)
  • Voice mail support1
  • WebKit browser
  • Height adjustable base
  • Support for Unicode UTF-8 characters
  • Multilingual user interface: Danish, Dutch, English (Canada/US/UK), Chinese, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish and Swedish
Audio features

Polycom technology® HD Voice™ providing authentic voice quality, regardless of audio mode: handset, hands-free speakerphone or optional headset

Polycom technology® Acoustic Clarity™ for full duplex conversations, echo and ambient noise suppression

Broadband Audio TIA-920 Compatible Type 1 (IEEE 1329 Full Duplex Standards)


Frequency response: 150 Hz - 7 kHz in handset, optional headset and hands-free speakerphone modes

Codecs: G.711 (A-law and μ-law), G.729AB, G.722 (HD Voice), iLBC

Separate volume controls with visual feedback for each audio track

Voice detection

Comfort noise generation

DTMF generator (RFC 2833 and in-band DTMF )

Low delay audio packet transmission

Dynamic instability buffers

Packet loss masking

Headset compatibility

Dedicated RJ-9 headset port

ITU-T P.370 and TIA 504A standards for compatibility with hearing aids

Complies with Section 508 of the ADA paragraph B 1194.23 (as a whole)

Hearing aid compatible handset for magnetic matching

Compatible with commercially available teletype adapters

Call management functions

12 lines (programmable line keys)

Sharing of calls / boss-secretary function

Busy line indicator

Flexible line representation (one or more line keys can be assigned to each line extension)

Separate incoming call handling/call waiting

Call timer and call waiting indication

Call transfer, call waiting, call forwarding, off-hook

Information about the called party, the caller and the connected parties

Local audio conference for up to three participants

Speed dialling, redialling Remote missed call notification


Do not disturb" function

Electronic handset lifter supported

Local digital map/plan of