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New updates for Zoom Phone devices Follow

Upcoming Release

Details about upcoming releases will be posted as they become available.


Current Release

November 22, 2020

New and enhanced features

  • Enable AES-256 encryption for Poly Trio C60
    Account owners and admins can enable SRTP with AES-256 bit encryption for the Poly Trio C60. By default, AES-128 bit is enabled. Learn more about Zoom Phone Encryption.

Previous Releases

Note: The information in the past release notes may have been superseded by subsequent release notes. Please review all current release notes carefully.

October 18, 2020

New and enhanced features

  • Supported Devices
    The Poly Trio C60 conference phone is supported. Account owners and admins can add this phone to the Zoom web portal as part of the provisioning process.
  • Support for auto provisioning of Poly D230
    The Poly D230 will automatically configure itself out of the box using Polycom Zero-Touch Provisioning (ZTP) after being added to the Zoom web portal.

  • New supported features for AudioCodes
    AudioCodes 450HD and 445HD support multiple line keys, call delegation, speed dial, and busy lamp field (BLF). The AudioCodes 450HD also supports provision templates.

  • Firmware upgrades

    The following devices will receive firmware upgrades: Poly Trio, all Poly VVX series, and all Yealink devices. Devices will automatically reboot to upgrade firmware.

August 19, 2020

New and enhanced features

  • Firmware for Poly VVX series
    Poly VVX series devices support firmware version 5.9.3.9228. Provisioned devices will automatically upgrade from version 5.9.3.8726 to 5.9.3.9228. Devices will automatically reboot to upgrade firmware.

August 16, 2020

New and enhanced features

  • Supported devices
    The AudioCodes MediaPack 1288 gateway is supported. Account owners and admins can add it to the web portal as part of the assisted provisioning process.

July 12, 2020

New and enhanced features

  • Enable AES-256 bit encryption for devices
    Account owners and admins can upgrade to SRTP with AES-256 bit encryption for specific sites and models. By default, AES-128 bit is enabled. Admins must enable AES-256 bit in the web portal. Learn more about Zoom Phone Encryption.
  • Supported devices
    The following IP phones and accessories are supported. Account owners and admins can add IP phones to the Zoom web portal as part of the provisioning process:
    • AudioCodes 450HD IP phone
    • Poly D230 DECT IP phone, EM50 expansion module
    • Yealink EXP50 expansion module
  • Use desk phone to transfer call to voicemail
    Users can transfer the active call to the voicemail inbox of another phone user.
  • Directory support for devices
    Users can access the account’s directory of phone users. See the list of supported desk phone features for more information.

June 14, 2020

New and enhanced features

  • Admin features
    • Hot desking for desk phones
      Account owners and admins can enable phone users in the account to temporarily use a desk phone by entering their voicemail PIN. This allows phone users to easily use shared devices.
    • Set overflow options for common area phones
      Account owners and admins can route inbound calls to common area phones if the call is not answered after a specified amount of time.
  • User features
    • Admin password for desk phones
      Phone users are required to change the default admin password for desk phones if they are using the default password provided by the desk phone manufacturer.

April 19, 2020

New and enhanced features

  • Enhanced encryption
    Zoom Phone SIP signaling communications from client to server occur over TLS v1.2 with AES-256 bit encryption. Zoom Phone call media is transported and protected by SRTP with AES-128 bit encryption for SIP devices.

March 1, 2020

New and enhanced features

  • Supported devices
    The Cisco 8851 IP phone is supported. Account owners and admins can add this phone to the Zoom web portal as part of the provisioning process.
  • Shared line groups on supported desk phones
    If an account owner or admin assigns users to shared line groups, group members can use a supported desk phone to make or receive calls using shared lines. Members can also view the status of shared lines.

January 12, 2020

New and enhanced features

  • Manage voicemails with a desk phone
    Users can play old messages and delete messages using a provisioned desk phone. They can also record a custom voicemail greeting.

December 1, 2019

New and Enhanced Features

September 29, 2019

New and Enhanced Features

  • Supported Devices
    The following AudioCodes IP phones are supported: 405, 405HD, 420HD, 440HD, and 445HD.
  • Call Delegation and Shared Lines on Supported Desk Phones
    If an account owner or admin assigns a delegate to make and receive calls for another phone user, the delegate can use a supported desk phone to make or receive calls, view shared line status, place calls on hold, and transfer calls.

July 13, 2019

New and Enhanced Features

  • Supported Devices
    The following Polycom analog telephone adapters (ATA) are supported: OBi302, OBi508vs.
    Note: Zoom does not guarantee the performance of analog devices or applications connected to ATA devices.

May 19, 2019 

Changes to Existing Features

  • Additional Supported Devices
    Zoom Phone supports additional devices.
    • Polycom: SoundPoint IP 335 / IP 550 / IP 650, Trio 8500 / 8800
    • Yealink: CP960 / T53 / T53W / T54W / T57W / VP59
    • Cisco: 7821 / 7841 and 8841 / 8861 (multi-platform versions)

Resolved Issues

  • Minor Bug Fixes

April 7, 2019

Changes to Existing Features

  • Administrator Features
    • Support for Auto Provisioning of Polycom and Yealink Devices
      Devices will automatically configure themselves out of the box using Polycom Zero-Touch Provisioning (ZTP) and Yealink Redirection and Provisioning Service (RPS) if they have been registered on the Zoom web portal.
    • Additional Supported Devices
      Zoom Phone supports additional Polycom and Yealink devices.
      Polycom: VVX 101, VVX 300, VVX 301, VVX 311, VVX 400, VVX 410, VVX 411, VVX 501, VVX 600, IP 6000
      Yealink: T23G, T27G, T29G, T40G, T41P, T42G, T46G, T48G, W56P, W60P, CP920

Resolved Issues

  • Resolved an issue where users are unable to receive (and answer) calls for Call Queues and Delegated calls on desk phones
  • Minor Bug Fixes

February 2, 2019

Changes to Existing Features

  • Change music when placing a call to a ringtone
    When placing a call, users will hear a ringtone when waiting to connect rather than music.

Resolved Issues

  • Minor Bug Fixes

January 22, 2019

New and Enhanced Features

  • Zoom Introduces Zoom Phone
    Zoom Phone is a cloud phone system available as an add-on to Zoom’s platform. Support for inbound and outbound calling through the public switched telephone network (PSTN) and seamlessly integrated telephony features enable customers to replace their existing PBX solution and consolidate all of their business communication and collaboration requirements into their favorite video platform.