Important Notice: Please begin updating all your clients to Zoom 5.0. After May 30, 2020, all Zoom clients on older versions will receive a forced upgrade when trying to join meetings as GCM Encryption will be fully enabled across the Zoom platform. Click here for more information on the changes and how to update your Zoom application or download now.

Note: As our world comes together to slow the spread of COVID-19 pandemic, the Zoom Support Center has continued to operate 24x7 globally to support you. Please see the updated Support Guidelines during these unprecedented times.

Supported desk phone features Follow


The following table provides the list of features available on supported devices.


  • Provisioned desk phone

This article covers:


Click the embedded links to learn more about each feature.

Feature Polycom Yealink Cisco AudioCodes

In-call controls

Hold/resume calls
Transfer calls
View and manage voicemail
Set up call forwarding (see note A)   Partial   Partial
Elevate to Zoom meeting        
Call flip (see note B) Partial Partial    
Sync in-call status with Zoom Desktop Client and Mobile App  

Additional features

Set status to Do Not Disturb
(see note C)
Partial Partial Partial  
Multiple line keys assigned to direct phone numbers  
Shared lines (Call delegation and shared line groups) - see note D Partial Partial    
Contacts directory sync        


Sync time with NTP server
Set custom admin password and language
Set custom time format and zone
Assisted provisioning
Zero touch provisioning All VVX series phones  

Custom firmware required


Auto firmware upgrade


Provision templates (see note E)

Partial Partial   Partial 

Assign multiple phone users to one device (see note F)

Partial Partial    


Note (A): Call forwarding from desk phones only works if the forward-to number is an external PSTN number or a Zoom Phone user/extension that is in the same SIP zone.

Note (B): Call flip is not supported on these models.

  • Polycom: OBi302, OBi508, SoundPoint 335, SoundPoint 550, SoundPoint 650, SoundStation 5000, SoundStation 6000, Trio 8500, Trio 8800
  • Yealink: CP920, CP960, W56P, W60P

Note (C): Setting your status to Do Not Disturb on a desk phone will block incoming call notifications. The Do Not Disturb status does not sync with the Zoom Desktop Client or Mobile App.

Note (D): The following phone models support call delegation and shared line groups. Models not on this list might support some features like making and receiving calls using a shared line, but won’t show the status of shared lines.

  • Polycom: VVX150, VVX250, VVX350, VVX450
  • Yealink: T42S, T46S, T48S, T54, T56, T58, VP59

Note (E): Provision templates are supported on these models.

Note (F): You can assign multiple phone users to these models.

  • Polycom: OBi302, OBi508vs
  • Yealink: W56P, W60P