Release notes for the enhanced Zoom Connector for SIP/H.323

Last Updated:

Note: Starting January 18, 2021, new accounts provisioned with Cloud Room Connector licenses will automatically have access to the new enhanced API Room Connector for SIP/H.323 devices. If your account was provisioned a CRC license after January 18, use our enhanced room provisioning and management instructions for managing and deploying new rooms. 

If your account utilizes the older iteration of the Room Connector, please refer to the release page for the standard API Room Connector for SIP/H.323 devices.

Upcoming Release

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


Current Release

August 28, 2022

Changes to existing features

  • Sync with Zoom Room Scheduling display
    If a room system has been provisioned with a calendar resource, and a Zoom Room Scheduling display has also been provisioned using the same calendar resource, if the users did not check in via the scheduling display but did join the meeting from the room system, then the room’s status will be considered checked-in.
  • Support for audio mute for Poly Trio devices
    Provisioned Poly Trio devices now support syncing mute status between the Poly Trio and the Zoom in-meeting menu.

Resolved issues

  • Minor bug fixes
  • Security enhancement
  • Resolves an issue where the timezone setting would be out of sync for a provisioned room that has also been provisioned with a common area Zoom phone number.

Previous Release

Note: The information in the past release notes may have been superseded by subsequent release notes.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

June 19, 2022

Changes to existing features

  • Multi-language calendar parsing for 3rd party meetings
    The enhanced Zoom API Connector for SIP/H.323 now supports the parsing of calendar invites in multiple languages. This allows for one touch-join of 3rd party meetings, with a non-English invite. 

June 12, 2022

New and enhanced features

  • Create a generic SIP/H.323 Room with registration
    Organizations can now register their devices with Zoom for use with the SIP Proxy, but without provisioning any settings to the device itself. This allows the device to join Zoom meetings via one-touch without having to be managed by Zoom.
  • Force update room connector
    The enhanced room connector now supports auto-updating when a new version of the enhanced room connector is released.

Changes to existing features

  • Reduce stored room connector log files
    Admins can now disable full room connector logging. Once disabled, the room connector will only store necessary logging information, which minimizes storage use for log files. If necessary, full logging can be enabled for the room connector, which will then log and store all room connecter activities for troubleshooting purposes.

Resolved issues

  • Security enhancements
  • Minor bug fixes
  • Resolved an issue where deployed enhanced room connectors were offline and unable to connect back to Zoom’s Cloud.

April 10, 2022

Resolved issues

  • Minor bug fixes

March 20, 2022

New and enhanced features

  • Device firmware out of date notification
    If a device’s firmware is multiple versions behind, admins will be prompted to update the firmware when viewing the device in the web portal.
  • Account-level settings for provisioned devices
    Settings for devices provisioned using the enhanced Zoom Connector, can now be managed at the account level. This is to allow configuration changes to multiple devices simultaneously, instead of at the device level.

Resolved issues

  • Minor bug fixes
  • Security enhancements
  • Resolved an issue where the Zoom Connector was showing as offline after deploying a new version of the Zoom Connector.

January 23, 2022

Changes to existing features

  • Support for devices registered to Webex
    Support has been added for devices provisioned in Zoom, but registered to Webex. This allows the device to use the appropriate call protocol when joining Webex or Zoom meetings.

Resolved issues

  • Minor bug fixes
  • Security enhancements
  • Resolved an issue where certain devices are unable to automatically join scheduled meetings using the H.323 protocol.
  • Resolved an issue where favorites manually created by users are being deleted once provisioned in Zoom.

December 5, 2021

Resolved issues

  • Minor bug fixes

November 7, 2021

Resolved issues

  • Minor bug fixes
  • Resolves the issue where Poly HDX devices were unable to join meetings via H.323.
  • Resolves the issue where multiple Join Meeting buttons are generated on a subset of devices.

October 10, 2021

Resolved issues

  • Security enhancements
  • Minor bug fixes
  • Resolves an issue where auto-joining meetings failed, if the calendar event was created less than 10 minutes before the meeting’s start time.
  • Resolves the issue where the time designation was incorrect for the Istanbul time zone.

September 18, 2021

Changes to existing features

  • Enhancements to CRC Dashboard
    Account owners and admins can view the connection status, provisioning status, SIP status, and meeting status of SIP/H.323 devices managed with the enhanced Zoom Connector for SIP/H.323 within the account.
    Note: This is being released as a part of the September 18 Web release.

September 12, 2021

Resolved issues

  • Minor bug fixes
  • Security enhancements
  • Resolved an issue where mute status is not synced correctly between and Zoom and Poly devices utilizing Crestron controllers.

August 29, 2021

Resolved issues

  • Minor bug fixes
  • Resolved an issue where mute status is not synced correctly between and Zoom and Poly devices utilizing Crestron controllers.

August 1, 2021

New and enhanced features

  • Support for managed rooms using Cisco Room OS (on-premise)
    Support has been added for managing Cisco Webex Room series devices utilizing the Cisco Webex Room OS 10.3.X > 1.x (On-premise) firmware.

Resolved issues

  • Minor bug fixes
  • Resolved an issue where the public and private IP addresses for a Room Connector were displayed incorrectly in the web portal.
  • Resolved an issue where the call rate for a provisioned device would automatically be set to 128 kbps.
  • Resolved an issue where customer-created favorites were removed from the device home screen.
  • Resolved an issue where the mute status was not syncing between the Poly Trio devices and Zoom meetings.

June 27, 2021

Resolved Issues

  • Minor bug fixes

May 30, 2021

Resolved Issues

  • Security enhancements 
  • Minor bug fixes

April 25, 2021

Resolved issues

  • Minor bug fixes

April 11, 2021

Resolved issues

  • Minor bug fixes

March 28, 2021

New and enhanced features

  • DTMF command configuration setting for devices
    A setting has been added to the device configuration page that allows the assigning of dial string commands, which will be used by the device when joining a meeting from the device, including using one-touch joining.

Changes to existing features 

  • Disabling of TLS 1.1
    TLS 1.1 will be disabled on March 26, 2021, for the US West and all non-US data centers. This change will take effect for US East data centers on April 2, 2021. This change will impact all SIP/H.323 devices attempting to connect to a meeting that requires device encryption and all managed devices. This will be enforced for all device types: both managed with an API connector or unmanaged by Zoom.
  • Set passcode for a room’s Personal Meeting ID
    Allows the ability to set the passcode for a room’s Personal Meeting ID, to be used in the dial string when an instant meeting is started from the room.
    Note: This must be the same as the passcode set under the Personal Meeting Room settings of the Room’s Personal Meeting ID.

Resolved issues

  • Minor bug fixes
  • Security enhancements

January 24, 2021

New and enhanced features

  • Enhanced Zoom Connector for SIP/H.323
    Starting January 18, 2021, new accounts provisioned with Cloud Room Connector licenses will automatically have access to the new enhanced Zoom API Room Connector for SIP/H.323 devices. Accounts with access to the new enhanced Zoom API Connector will also have a banner displayed at the top of the Cisco/Polycom room page with the following message: "You are using the enhanced Zoom Connector for SIP/H.323".
  • Enhanced certificate validation
    The enhanced API connector TLS certificate validation has been improved to ensure the security of devices managed using the Zoom Connector for SIP/H.323Room Connector. A part of this change includes the option to manually load the trusted Zoom certificates if automatic loading and validation fail.

Resolved issues

  • Minor bug fixes
  • Security enhancements

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