Supported Desk Phone Features Follow

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

Feature Polycom phones Yealink phones Cisco phones
Sync time with NTP service Yes Yes Yes
Set custom admin password and language Yes Yes Yes
Set custom time format and zone Yes Yes Yes
TLS & SRTP Yes Yes Yes
3-way calling Yes Yes Yes
Zero-touch provisioning Only on VVX series phones Yes No
Assisted provisioning Yes Yes Yes
Custom firmware required

No
(specific firmware version required)

Yes No
Auto firmware upgrade Yes Yes No
Hold / resume calls Yes Yes Yes
Transfer calls Yes Yes Yes
Check voicemail (see note A) Partial Partial Partial
Set up call forwarding

No

No No
Set presence to Do Not Disturb
(see note B)
Partial Partial Partial
Switch phone call to a Zoom Meeting No Partial
(see note C)
No
Switch calls using phone line keys No No No
Shared line appearance No No No
Customer specific phone templates No No No
Contacts directory No No No

 

Note (A): Only supports retrieving new messages. You cannot save or listen to old messages and delete messages using a desk phone.

Note (B): Setting your status to Do Not Disturb on a desk phone will route all inbound call to your voicemail and prevent your desk phone from ringing. The Do Not Disturb status does not sync with the Zoom desktop client or mobile app.

Note (C): Certain Yealink phone models support an in-call Zoom softkey that can be used to switch to a Zoom meeting while on a call with another Zoom phone user. The following Yealink models support this feature: CP920, T21p, T23g, T27g, T40g, T42s, T46s, T48s, T53, T53w, T54w, T57w, W56p, W60p.

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