# Video SDK

**URL:** https://devforum.zoom.us/c/video-sdk/55.md?page=17

[Latest](https://devforum.zoom.us/latest.md) · [Categories](https://devforum.zoom.us/categories.md) · [Tags](https://devforum.zoom.us/tags.md)

**Page:** 18

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## [It’s taking too long to join a session](https://devforum.zoom.us/t/it-s-taking-too-long-to-join-a-session/130842)

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**Author:** [@Moon](https://devforum.zoom.us/u/Moon)\
**Replies:** 10\
**Last updated:** [April 11, 2025, 1:06am UTC](https://devforum.zoom.us/t/it-s-taking-too-long-to-join-a-session/130842 "2025-04-11T01:06:10Z")

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We have noticed that it takes around 5–6 seconds to join a Zoom session after clicking the Join button. Is there a solution to reduce this time? We are using Video SDK v2.1.5. Thanks.

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## [ShareCanvas is not presenting any content before screen rotation](https://devforum.zoom.us/t/sharecanvas-is-not-presenting-any-content-before-screen-rotation/129334)

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**Author:** [@jbialkowski](https://devforum.zoom.us/u/jbialkowski)\
**Replies:** 2\
**Last updated:** [April 9, 2025, 2:36pm UTC](https://devforum.zoom.us/t/sharecanvas-is-not-presenting-any-content-before-screen-rotation/129334 "2025-04-09T14:36:10Z")

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Hi team, I have following code in our app that presents the share canvas from remote user: internal fun ZoomScreenShareVideo( userId: String, onError: (Throwable) -\> Unit, modifier: Modifier = Modifier ) { …

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## [The virtual background with a custom image has an unnecessary black edge](https://devforum.zoom.us/t/the-virtual-background-with-a-custom-image-has-an-unnecessary-black-edge/130131)

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**Author:** [@lmtruong1512](https://devforum.zoom.us/u/lmtruong1512)\
**Replies:** 4\
**Last updated:** [April 9, 2025, 6:48am UTC](https://devforum.zoom.us/t/the-virtual-background-with-a-custom-image-has-an-unnecessary-black-edge/130131 "2025-04-09T06:48:12Z")

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Description The virtual background with a custom image has an unnecessary black edge. (Ratio camera view is: 16 : 9) Which Web Video SDK version? 2.1.0 Video SDK Code Snippets try { if (imageUrl) { …

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## [Building a Zoom Bot for Cloud Recording](https://devforum.zoom.us/t/building-a-zoom-bot-for-cloud-recording/130753)

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**Author:** [@z-ple](https://devforum.zoom.us/u/z-ple)\
**Replies:** 1\
**Last updated:** [April 7, 2025, 3:53pm UTC](https://devforum.zoom.us/t/building-a-zoom-bot-for-cloud-recording/130753 "2025-04-07T15:53:09Z")

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Hi, we’re going to build a zoom app / zoom bot to: Be added to the meeting by host Start the cloud recording when the host click to a button inside my Zoom app (not the record button of the Zoom Client) The recording w…

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## [Lost audio mid-session](https://devforum.zoom.us/t/lost-audio-mid-session/130843)

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**Author:** [@fides-it](https://devforum.zoom.us/u/fides-it)\
**Replies:** 5\
**Last updated:** [April 7, 2025, 9:18am UTC](https://devforum.zoom.us/t/lost-audio-mid-session/130843 "2025-04-07T09:18:16Z")

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Session Id: Y2cUlrE0QGqVWiCggP3oxA== The user joining at 09:04:26 AM lost her incoming audio around 09:35, meaning she could not hear other participants. In the session data, I noticed a drop in audio quality. Is there …

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## [Unable to get camera list using React Native Video SDK](https://devforum.zoom.us/t/unable-to-get-camera-list-using-react-native-video-sdk/126743)

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**Author:** [@CareATC](https://devforum.zoom.us/u/CareATC)\
**Replies:** 1\
**Last updated:** [April 4, 2025, 10:38am UTC](https://devforum.zoom.us/t/unable-to-get-camera-list-using-react-native-video-sdk/126743 "2025-04-04T10:38:13Z")

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When using something like zoom.videoHelper.getCameraList() the list comes back empty. It seems like this is not implemented as of yet.

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## [Network Instability](https://devforum.zoom.us/t/network-instability/130370)

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**Author:** [@fides-it](https://devforum.zoom.us/u/fides-it)\
**Replies:** 4\
**Last updated:** [April 4, 2025, 10:39am UTC](https://devforum.zoom.us/t/network-instability/130370 "2025-04-04T10:39:33Z")

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Session: 0t3dzlnmQD2+lvkys/EMmw== VideoSDK for web version: 2.1.10 (latest) I had some network stability issues in this meeting, such as frozen images and streams turning off. I was wondering what are the best practic…

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## [switchCamera(null) causes an error on Android and crashes on iOS](https://devforum.zoom.us/t/switchcamera-null-causes-an-error-on-android-and-crashes-on-ios/127217)

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**Author:** [@tihimsm](https://devforum.zoom.us/u/tihimsm)\
**Replies:** 1\
**Last updated:** [April 4, 2025, 10:04am UTC](https://devforum.zoom.us/t/switchcamera-null-causes-an-error-on-android-and-crashes-on-ios/127217 "2025-04-04T10:04:54Z")

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When executing await \_zoom.videoHelper.switchCamera(null); the following error occurs: PlatformException(ZoomVideoSDK\_Error\_Invalid\_Parameter, deviceId is null or empty, null, null) On Android, although an error occu…

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## [Unexpected Termination of iOS Broadcast/Screenshare Module in Background](https://devforum.zoom.us/t/unexpected-termination-of-ios-broadcast-screenshare-module-in-background/129398)

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**Author:** [@Mahmoud](https://devforum.zoom.us/u/Mahmoud)\
**Replies:** 1\
**Last updated:** [April 4, 2025, 4:41am UTC](https://devforum.zoom.us/t/unexpected-termination-of-ios-broadcast-screenshare-module-in-background/129398 "2025-04-04T04:41:42Z")

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Hi everyone, I’ve implemented the necessary steps to enable screen recording for all apps on an iOS device, ensuring that the functionality works even when the app is running in the background. However, I’ve encountered…

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## [Validation failed due to invalid bundle](https://devforum.zoom.us/t/validation-failed-due-to-invalid-bundle/127413)

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**Author:** [@Apoorva](https://devforum.zoom.us/u/Apoorva)\
**Replies:** 1\
**Last updated:** [April 3, 2025, 4:30pm UTC](https://devforum.zoom.us/t/validation-failed-due-to-invalid-bundle/127413 "2025-04-03T16:30:10Z")

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While trying to distribute a SwiftUI iOS app to App Store Connect the following errors occurred. The app does run locally but fails when trying to release to App Store Connect. Version : Zoom Video SDK Version : latest…

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## [Issues getting camera to flip with video sdk on iOS](https://devforum.zoom.us/t/issues-getting-camera-to-flip-with-video-sdk-on-ios/129416)

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**Author:** [@Madilyn](https://devforum.zoom.us/u/Madilyn)\
**Replies:** 1\
**Last updated:** [April 3, 2025, 4:16pm UTC](https://devforum.zoom.us/t/issues-getting-camera-to-flip-with-video-sdk-on-ios/129416 "2025-04-03T16:16:29Z")

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Hi, We are experiencing an issue with zoom code that I am wondering if you can help with. I cannot attach pictures so had to copy and paste the code, so I apologize if it looks a little strange. Here are the details dir…

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## [Can't access Video recording](https://devforum.zoom.us/t/cant-access-video-recording/129400)

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**Author:** [@BoostEdu](https://devforum.zoom.us/u/BoostEdu)\
**Replies:** 1\
**Last updated:** [April 3, 2025, 2:54pm UTC](https://devforum.zoom.us/t/cant-access-video-recording/129400 "2025-04-03T14:54:24Z")

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I am trying to use the video recording capabilities but i can’t access it neither through code/profile (attached) thoughts? I have purchased the Video SDK plan

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## [Zoom video sdk make host full screen](https://devforum.zoom.us/t/zoom-video-sdk-make-host-full-screen/130817)

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**Author:** [@Lido](https://devforum.zoom.us/u/Lido)\
**Replies:** 3\
**Last updated:** [April 3, 2025, 1:29pm UTC](https://devforum.zoom.us/t/zoom-video-sdk-make-host-full-screen/130817 "2025-04-03T13:29:07Z")

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I am using zoom video sdk in my react Js project where many of user will join the meeting but I want to make only host visible on the full screen for all the other users to achieve this I need technical support

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## [On the user side, I want to show only the host's video, not any participants or the user themselves](https://devforum.zoom.us/t/on-the-user-side-i-want-to-show-only-the-hosts-video-not-any-participants-or-the-user-themselves/130759)

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**Author:** [@harshitgarg076](https://devforum.zoom.us/u/harshitgarg076)\
**Replies:** 4\
**Last updated:** [April 3, 2025, 11:05am UTC](https://devforum.zoom.us/t/on-the-user-side-i-want-to-show-only-the-hosts-video-not-any-participants-or-the-user-themselves/130759 "2025-04-03T11:05:50Z")

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I am using the Video SDK in React.js. Please help me and suggest what I can do.

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## [Does the Zoom SDK Android use camera2?](https://devforum.zoom.us/t/does-the-zoom-sdk-android-use-camera2/130856)

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**Author:** [@user51](https://devforum.zoom.us/u/user51)\
**Replies:** 0\
**Last updated:** [April 2, 2025, 6:17pm UTC](https://devforum.zoom.us/t/does-the-zoom-sdk-android-use-camera2/130856 "2025-04-02T18:17:50Z")

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We are trying to use a UVC camera on Android with Video SDK 2.1.11. We are experiencing connection issues with the hardware, and to troubleshoot the problem, we would like to understand how the camera is being accessed. …

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## [Command channel not available](https://devforum.zoom.us/t/command-channel-not-available/129373)

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**Author:** [@6x8t7pbq7p](https://devforum.zoom.us/u/6x8t7pbq7p)\
**Replies:** 2\
**Last updated:** [April 2, 2025, 5:34pm UTC](https://devforum.zoom.us/t/command-channel-not-available/129373 "2025-04-02T17:34:13Z")

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Video SDK Type and Version: Web Video SDK UI Toolkit Version 2.1.0-1 (with Video SDK 2.1.5) I’m developing a real-time multiplayer game component using the Zoom Video SDK. The game requires bidirectional communication …

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## [Reuploading: Error with Live Transcription SDK in Zoom Video SDK for Web using React.js](https://devforum.zoom.us/t/reuploading-error-with-live-transcription-sdk-in-zoom-video-sdk-for-web-using-react-js/129216)

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**Author:** [@gdcomm](https://devforum.zoom.us/u/gdcomm)\
**Replies:** 1\
**Last updated:** [April 2, 2025, 5:17pm UTC](https://devforum.zoom.us/t/reuploading-error-with-live-transcription-sdk-in-zoom-video-sdk-for-web-using-react-js/129216 "2025-04-02T17:17:51Z")

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All the detailed information is in the link below. devforum.zoom.us/t/error-with-live-transcription-sdk-in-zoom-video-sdk-for-web-using-react-js/124586 Since 30 days have passed and the comments were automatically clos…

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## [Zoom video sdk laravel](https://devforum.zoom.us/t/zoom-video-sdk-laravel/129395)

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**Author:** [@akash3](https://devforum.zoom.us/u/akash3)\
**Replies:** 1\
**Last updated:** [April 2, 2025, 12:37pm UTC](https://devforum.zoom.us/t/zoom-video-sdk-laravel/129395 "2025-04-02T12:37:13Z")

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I am trying to implement zoom video SDK in my Laravel 8 project, and in frontend I am using JavaScript (not using any framework) for zoom video SDK I am using below CDN source dot zoom dot us/2.7.0/zoom-video.min.js b…

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## [Facing Issue with multiple Sessions](https://devforum.zoom.us/t/facing-issue-with-multiple-sessions/130590)

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**Author:** [@Kabir1](https://devforum.zoom.us/u/Kabir1)\
**Replies:** 1\
**Last updated:** [April 2, 2025, 11:18am UTC](https://devforum.zoom.us/t/facing-issue-with-multiple-sessions/130590 "2025-04-02T11:18:07Z")

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I have a Feature where the admin creates matches for different users available on the app. I am using sockets to emit the sessions from the database to the matched users. The first match session is working fine, but I w…

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## [Front Camera in Portrait Mode Sends Mirrored Video to Remote Participants on Android](https://devforum.zoom.us/t/front-camera-in-portrait-mode-sends-mirrored-video-to-remote-participants-on-android/129998)

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**Author:** [@Guido](https://devforum.zoom.us/u/Guido)\
**Replies:** 6\
**Last updated:** [April 1, 2025, 8:30pm UTC](https://devforum.zoom.us/t/front-camera-in-portrait-mode-sends-mirrored-video-to-remote-participants-on-android/129998 "2025-04-01T20:30:16Z")

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Video SDK Type and Version Zoom Video SDK for Android - us.zoom.videosdk:zoomvideosdk-core 2.1.5 (latest version) Also tested with older versions like 1.14.0, same behavior. Description When using the front camera in p…

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## [\[Critical\] Multiple Black Screen Issues & CXCallController Errors on Android/iOS](https://devforum.zoom.us/t/critical-multiple-black-screen-issues-cxcallcontroller-errors-on-android-ios/126664)

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**Author:** [@Betil](https://devforum.zoom.us/u/Betil)\
**Replies:** 1\
**Last updated:** [April 1, 2025, 6:34pm UTC](https://devforum.zoom.us/t/critical-multiple-black-screen-issues-cxcallcontroller-errors-on-android-ios/126664 "2025-04-01T18:34:09Z")

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Android Critical Issues: Initial Black Screen in Video Call Issue: When web client initiates a video call to Android, the screen turns black immediately upon connection. Root cause: ShareUserList incorrectly indicates …

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## [Implementing Video Resolution Change in Zoom Video SDK](https://devforum.zoom.us/t/implementing-video-resolution-change-in-zoom-video-sdk/126138)

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**Author:** [@paul.mathew](https://devforum.zoom.us/u/paul.mathew)\
**Replies:** 2\
**Last updated:** [April 1, 2025, 6:05am UTC](https://devforum.zoom.us/t/implementing-video-resolution-change-in-zoom-video-sdk/126138 "2025-04-01T06:05:42Z")

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Hi, We are currently utilizing the Zoom Video SDK in our applications and are planning to implement a feature that allows changing the video resolution. Could you guide us on how to use ZoomVideoSDKVideoResolution for c…

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## [Aspect ratio question](https://devforum.zoom.us/t/aspect-ratio-question/125005)

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**Author:** [@hanwel](https://devforum.zoom.us/u/hanwel)\
**Replies:** 4\
**Last updated:** [March 31, 2025, 10:25pm UTC](https://devforum.zoom.us/t/aspect-ratio-question/125005 "2025-03-31T22:25:35Z")

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Format Your New Topic as Follows: Video SDK Type and Version Web, 2.1 Hi, I would like to format the videos of the participants in circles. Works well, but the aspect ratios of the 2 videos in my example (see the scre…

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## [Zoom VideoSdk integration error in flutter](https://devforum.zoom.us/t/zoom-videosdk-integration-error-in-flutter/130080)

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**Author:** [@Zoom98](https://devforum.zoom.us/u/Zoom98)\
**Replies:** 1\
**Last updated:** [March 31, 2025, 8:30pm UTC](https://devforum.zoom.us/t/zoom-videosdk-integration-error-in-flutter/130080 "2025-03-31T20:30:43Z")

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flutter\_zoom\_videosdk: ^1.14.0 I keep getting this error when trying to integrate videoSdk in flutter. I need to be able to join the meeting from my flutter app. main/java/io/flutter/plugins/GeneratedPluginRegistrant.j…

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## [Video SDK app type not showing in Marketplace build app despite active license](https://devforum.zoom.us/t/video-sdk-app-type-not-showing-in-marketplace-build-app-despite-active-license/130445)

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**Author:** [@Sharud](https://devforum.zoom.us/u/Sharud)\
**Replies:** 4\
**Last updated:** [March 31, 2025, 5:56pm UTC](https://devforum.zoom.us/t/video-sdk-app-type-not-showing-in-marketplace-build-app-despite-active-license/130445 "2025-03-31T17:56:45Z")

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Hi Zoom Dev Team, I’m trying to create a Video SDK app in the App Marketplace, but I do not see the “Video SDK” option listed at App Marketplace. :white\_check\_mark: My account has an active Pay-As-You-Go Video SDK plan…

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## [Users not able to connect to call](https://devforum.zoom.us/t/users-not-able-to-connect-to-call/129853)

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**Author:** [@sam9](https://devforum.zoom.us/u/sam9)\
**Replies:** 8\
**Last updated:** [March 31, 2025, 2:44pm UTC](https://devforum.zoom.us/t/users-not-able-to-connect-to-call/129853 "2025-03-31T14:44:44Z")

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Description I run into this issue frequently and its probably the most frustrating issue we’ve had with the product. Usually about once a call ( web based users ) we have users that can’t get onto the call and not becua…

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## [The user's image disappears, leaving only the virtual background visible when an object is placed in front of face](https://devforum.zoom.us/t/the-users-image-disappears-leaving-only-the-virtual-background-visible-when-an-object-is-placed-in-front-of-face/130541)

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**Author:** [@Moon](https://devforum.zoom.us/u/Moon)\
**Replies:** 3\
**Last updated:** [March 31, 2025, 7:28am UTC](https://devforum.zoom.us/t/the-users-image-disappears-leaving-only-the-virtual-background-visible-when-an-object-is-placed-in-front-of-face/130541 "2025-03-31T07:28:52Z")

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I am using Zoom Video SDK, and I am experiencing an issue where the user disappears when moving objects in front while the Virtual Background is enabled.

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## [Zoom Video SDK Web - /wc/ping/ Endpoint Returning 404 Errors](https://devforum.zoom.us/t/zoom-video-sdk-web-wc-ping-endpoint-returning-404-errors/130327)

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**Author:** [@freelancer.nak](https://devforum.zoom.us/u/freelancer.nak)\
**Replies:** 3\
**Last updated:** [March 28, 2025, 11:41am UTC](https://devforum.zoom.us/t/zoom-video-sdk-web-wc-ping-endpoint-returning-404-errors/130327 "2025-03-28T11:41:13Z")

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@vic.yang Issue: We are integrating Zoom Video SDK for Web and are seeing repeated 404 (Not Found) errors in the browser console when the following request is made: https://rwciad3.iad.zoom.us/wc/ping/{session\_id}?t…

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## [Using UI Toolkit for LTT (Live Transcription) Callback Without Direct Video SDK Implementation](https://devforum.zoom.us/t/using-ui-toolkit-for-ltt-live-transcription-callback-without-direct-video-sdk-implementation/126679)

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**Author:** [@Shubham3](https://devforum.zoom.us/u/Shubham3)\
**Replies:** 1\
**Last updated:** [March 27, 2025, 2:32pm UTC](https://devforum.zoom.us/t/using-ui-toolkit-for-ltt-live-transcription-callback-without-direct-video-sdk-implementation/126679 "2025-03-27T14:32:41Z")

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Hello Zoom Team, I am currently using the Zoom Video UI Toolkit to manage UI components and session handling in my web application. I prefer to use the UI Toolkit instead of implementing everything manually via the Zoom…

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## [Video Aspect Ratio isn't 16:9](https://devforum.zoom.us/t/video-aspect-ratio-isnt-16-9/129595)

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**Author:** [@namlv](https://devforum.zoom.us/u/namlv)\
**Replies:** 8\
**Last updated:** [March 26, 2025, 6:58am UTC](https://devforum.zoom.us/t/video-aspect-ratio-isnt-16-9/129595 "2025-03-26T06:58:40Z")

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Description When I startVideo with a virtual background, sometimes the video aspect ratio is not 16:9. I have tried multiple times with the same options when starting the video. When the video aspect ratio is not 16:9,…

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