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.

Important: Starting September 27, Zoom will require that all meetings have a Passcode or a Waiting Room enabled for accounts with a single licensed user, Pro accounts with 2 or more licenses, and Business accounts with 10-100 licenses. For further information, please see our reference our Frequently Asked Questions.



New updates for Virtual Room Connector (VRC) Follow

Upcoming Release

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


Current Release

June 16th, 2020
Version: 4.4.6344.20200612

New and enhanced features

  • View connected data center within the Meeting menu
    Displays the data center the device is connected, at the top of the in-meeting controls menu.
  • Updated 1-Person Meeting Screen
    Updated the screen with additional information when the CRC device is the only participant in a meeting.

Changes to existing features

  • Audio prompt to enter host key, if joining before the host
    If an H.323/SIP device joins a meeting before the host, and Join Before Host is not enabled, there will be an audio prompt to enter the host key.
  • Audio prompt for entering a password
    If an H.323/SIP device joins a meeting that requires a password and does not add the password in the dial string, there will be an audio prompt to enter the password at the meeting splash screen.
  • Warning message if Mute Participants Upon Entry is enabled
    If an H.323/SIP device joins the meeting with Mute participants upon entry, a warning message that the device is muted will be displayed, with an option to unmute the device.
  • Require consent of the host mutes and then unmutes a participant
    If the host mutes and then unmutes a participant individually, the participant will now receive a prompt, asking them to consent to be unmuted.

Resolved issues

  • Unable to start the video as host during a webinar
    Resolves the issue where codecs who join the webinar as host (using the host key), were unable to start their video.
  • Minor bug fixes

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Note: The information in the past release notes may have been superseded by subsequent release notes.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.

April 29th, 2020
Version 4.1.5441. 20200428

Resolved issues

  • Minor bugs

Apil 25th, 2020
Version 4.1.5432.20200425

New and enhanced features

  • AES 256-bit GCM encryption support
    Zoom is upgrading to the AES 256-bit GCM encryption standard, which offers increased protection of your meeting data in transit and resistance against tampering. This provides confidentiality and integrity assurances on your Zoom Meeting, Zoom Video Webinar, and Zoom Phone data. This feature will be automatically enabled for all accounts on May 30. For H.323/SIP devices, GCM encryption will be used between the Cloud Room Connector and the Meeting connector, to ensure codec compatibility.

Resolved issues

  • Minor bugs

April 8th, 2020
Version 4.1.5389.20200406

New and enhanced features

  • Support joining meetings with Waiting Room enabled
    Supports joining meetings with Waiting Room enabled from H.323/SIP devices utilizing the on-premise virtual room connector.

Resolved issues

  • Minor bug fixes

March 20th, 2020 Version 4.1.5349. 20200318

Resolved issues

  • Issues connecting to HighFive meetings
    Resolves issues with SIP connections to HighFive meetings.
  • Minor bug issues

January 10th, 2020 Version 4.1.5201.2020.0107

New and Enhanced Features

  • Play sound when participants join or leave
    H323 or SIP devices will now hear a sound when participants join or leave a meeting if the meeting host has enabled this setting in the Zoom web portal

Resolved Issues

  • Minor bug fixes

November 8th, 2019 Version: 4.1.5147.1107

Resolved Issues

  • Resolved the issue where Fully Qualified Domain Names (FQDNs) were not being saved in the HTTP Proxy Address Field, in the Proxy settings.
  • Minor Bug Fixes

October 31st, 2019 Version 4.1.5145.1017

Resolved Issues

  • Minor Bug Fixes

August 30, 2019 Version 4.1.5061.0827

Resolved Issues

  • Minor Bug Fixes

August 7, 2019 Version 4.1.5040.0807

Change to Existing Features

  • Upgraded Virtual Machine Based Operating System
    Virtual Room Connector now runs on an upgraded operating system. Because the virtual machine operating system has been updated, we recommend redeploying the virtual machine with the latest image. 

New and Enhanced Features 

  • Updated Web Console for VRC Management
    The Virtual Room Connector web console has been updated for improved usability. Admins can now add users to manage VRC processes and start or stop processes from the web console. 
  • Certificate Management
    Virtual Room Connector now allows the certificate for the virtual machine to be changed through the web console.

Resolved Issues

  • Minor Bug Fixes

July 14, 2019 Version 4.1.5037.0713

New and Enhanced Features

  • Improved Support for the 3rd Party Encryption Web Setting
    While the Zoom cloud now requires encryption, VRC endpoints follow the web setting Require Encryption for 3rd Party Endpoints (H.323/SIP), which was previously named End-to-End Encryption. When turned On, encryption will be required for any device connecting to Zoom. When turned Off, 3rd party devices (H323/SIP) can connect to Zoom without encryption but the Zoom Client and Zoom Rooms will still leverage encryption.

June 21, 2019 Version 4.1.4932.0620

New and Enhanced Features

  • Consent to Being Recorded Confirmation
    Once enabled through meeting settings, meeting participants will be notified that their meeting is being recorded and will have the option to consent to being recorded or leave the meeting. The recording consent information will be included in the Active Host report.
  • Support for Breakout Rooms
    SIP and H.323 devices joining via Virtual Room Connector can now join breakout rooms.

Resolved Issues

  • Minor Bug Fixes

April 26, 2019 Version 4.1.4992.0426

Resolved Issues

  • Minor Bug Fixes

March 8, 2019 Version 4.1.4891.0305

Changes to Existing Features

  • For enhanced security, Zoom will disable support for SSL 2.0 and 3.0 and enforce the use of TLS 1.2 or above.

New and Enhanced Features

  • Show a Network Indicator for Far End Participants
    The device display will now show an indicator of the stability of the far end participant’s network. A poor network connection is shown as red, a normal network connection is orange, and a good network connection is white.
  • Announcement that the Meeting is being Recorded
    When a CRC device joins a Zoom meeting with automatically recording enabled, they will now hear an audible announcement that the meeting is being recorded.
  • Show an Indicator that the Recording is Paused

Resolved Issues

  • Minor Bug Fixes

December 6, 2018 Version 4.1.4814.1203

Resolved Issues

  • Minor bug fixes

December 1, 2018 Version 4.1.4813.1201

Change to an existing feature

  • For enhanced security, Zoom will disable support for SSL 2.0 and 3.0 and enforce the use of TLS 1.2 or above.

Resolved Issues

  • Fix for CVE-2018-15715
  • Minor bug fixes

May 24, 2018 

Virtual Room Connector Version 2.5.44703.0515

Fixed in this release

  • Minor bug fixes

May 8, 2018 

Virtual Room Connector Version 2.5.4694.0503

New and Enhanced Features

  • Improvements for Video Quality

Fixed in this release

  • Minor bug fixes

January 15, 2018

Virtual Room Connector Version: 2.5.4432.0112

Fixed in this release

  • Minor bug fixes

November 9, 2017

Virtual Room Connector Version: 2.5.4301.1107

Fixed in this release

  • Minor bug fixes

September 6, 2017

Virtual Room Connector: 2.5.44231.0906

Fixed in this release

  • Minor bug fixes

August 24, 2017

Virtual Room Connector: 2.5.4221.0824

Fixed in this release

  • Additional Monitoring for VRC
  • Minor Bug fixes

July 7, 2017

Fixed in this release

  • An issue that allowed a user to record a meeting when cloud recording was disabled has been resolved.
  • Hosts no longer need to re-enter the host key to start recording if they have already provided the host key in the dial string.
  • An issue in which a meeting did not time out after becoming inactive has been resolved. See Meeting Time Out for additional information.
  • Minor bug fixes.

June 8, 2017

Virtual Room Connector: 2.5.4079.0608

Fixed in this release

  • Minor bug fixes

May 7, 2017

Virtual Room Connector: 2.5.44024.0418

Features Added

  • Support for closed captioning display during meetings
  • Show/Hide chat content
  • Ability to start and stop your video

Fixed in this release

  • Minor bug fixes

March 23, 2017

Virtual Room Connector: 2.5.43710.1117

Features Added

  • Video Layout Option: Active Presence
    • The Zoom Cloud Room Connector now supports a layout displaying the large active speaker with a bottom view of up to 5 video thumbnails of the most recent participants.
  • Share Control
    • A room system is no longer able to initiate screen sharing while another participant is sharing their screen during the meeting.

Fixed in this release

  • Room connector controls will follow the host's recording settings.
  • Fixed video issues for Polycom VSX 7000

Nov 27, 2016

Virtual Room Connector: 2.5. 3710.1117

  • Support far end camera control
  • Other minor enhancements
  • Bug fixes

Sept 21, 2016

Virtual Room Connector: 2.5. 3616.0921

  • Support Room system stopping and starting video
  • Support Mute-On-Entry
  • Bug Fixes

Mar 9, 2016

Virtual Room Connector: 2.5.2975.0307

  • Support displaying participant name on room system.
  • Change to active speaker mode when host spotlights a speaker.
  • Show recording indicator when meeting is recording.
  • Other minor enhancements
  • Bug fixes

Feb 21, 2016

Virtual Room Connector: 2.5.2975.0216

  • Enlarge content view
  • Other minor enhancements
  • Bug fixes

Dec 25, 2015

Virtual Room Connector: 2.5.2667.1225

  • Fix the Tandberg Edge 95 issue. It now can receive 720p.
  • Bug fixes
  • Minor enhancements

Nov 6, 2015

Virtual Room Connector: 2.5.2387.1103

  • Support SIP TLS/SRTP encryption.
  • Bug Fixes.

Sept 25, 2015

Virtual Room Connector: 2.5.2198.0918

  • Bug Fixes

Aug 31, 2015

Virtual Room Connector: 2.5.2136.0827

  • Support attendee on-hold
  • Hide non-video indicator when there are no non-video participants
  • Bug Fixes

July 10, 2015

Virtual Room Connector: 2.5.2019.0710

  • Support start meeting with Host Key
  • Bug fixes

June 11, 2015

Virtual Room Connector: 2.5.1983.0611

  • Support receive H.263+
  • Support Configuring manufacturer (H.323)
  • Bug fixes

May 7, 2015

Virtual Room Connector: 2.5.1944.0507

Feb 5, 2015

Virtual Room Connector: 2.5.1750.0205

  • Call-out speed set to 1920 kbps
  • Bug fixes

Jan 31, 2015

Virtual Room Connector: 2.5.1730.0130

  • BFCP enhancements
  • Bug fixes

Nov 17, 2014

Virtual Room Connector: 2.5.1396.1114

  • H.245 Control Channel set to fixed ports on H.323 calls
  • Bug fixes

Oct 19,2014

Virtual Room Connector: 2.5.1299.1010

  • Improved content sharing
  • SIP BFCP improvements
  • Bug fixes

Sep 9,2014

Virtual Room Connector: 2.5.1241.0909

  • Fixed an issue with H.263 content sharing
  • Improved content sharing
  • Bug fixes

Jun 10, 2014

Virtual Room Connector 2.5.40856.0606

  • Added H.235 encryption support
  • Fixed content sharing resolution issues
  • Fixed content channel open/close issues in RMX 2000
  • Fixed auto content sharing issue in Sony and LifeSize units

May 6, 2014

Virtual Room Connector 2.5.726.0505

  • Added H.239 support
  • Fixed menu auto popup issue
  • Allow dial string to set default layout
  • Video codec enhancement: 720p at below 768kbps if network allows
  • Bug fixes

Mar 4, 2014

Virtual Room Connector 2.5.208.0304

  • Added pairing code

Jul 18, 2013

Virtual Room Connector 2.0.25934.0718

Jul 3, 2013

Virtual Room Connector 2.0.25363.0703