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Polycom VVX450 and VVX250 device guide

Duration: 02.05

Button layout

The VVX450 is shown primarily, but the functionality and layout of both phones are similar.

1Line keys
2Back key
3Hold key
4Volume keys
5Dial pad
6Mute key
7Speakerphone key
8Home key
9Navigation keys
10Soft keys

Handset buttons and features not compatible with PhoneLine+

  • The transfer key. Call forwarding is only available within the softphone app versions of PhoneLine+.
  • Messages key.
  • Conference calling.
  • Company directory.

Call functionality

The video above contains demonstrations on making, receiving, holding, and resuming calls.


With PhoneLine+, your voicemail settings are only configured within the softclient (or app) itself. Voicemail settings cannot be configured on the Polycom VVX250 or VVX450 handsets. For more information on how to configure your PhoneLine+ voicemail settings on the client, visit the ‘Settings’ section of the PhoneLine+ Customer Knowledge Base.

Listening to your voicemail on the Polycom VVX250/VVX450

Once your PhoneLine+ settings have been configured on the client, you can use your Polycom handset to listen to any voicemail you receive. To do this simply dial 1571.

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