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HCL Sametime® Administration Guide 12.0.1
Configuring
This section provides information on configuring the HCL Sametime server. Configuration tasks are dependent on the deployment environment.
Adding virtual backgrounds to the global library
By default, you can customize your meetings with virtual backgrounds. As an administrator, you can choose which backgrounds are available to all users.
Adding default virtual backgrounds on Kubernetes
By default, virtual background is enabled. You can choose which backgrounds are available to users by default. Depending on your business needs, you can customize the global library and prevent users from uploading custom background images. For more information, refer to t_disable_background_upload.html.

HCL Sametime® Administration Guide 12.0.1
- Accessibility features for Sametime
  Accessibility features help users who have a disability, such as restricted mobility or limited vision, use information technology products successfully. HCL® strives to provide products with usable access for everyone.
- What's new
  HCL Sametime and HCL Sametime Premium 12.0.1 provide many new features, enhancements and fixes to servers and clients. Additional releases to version 12.0.1 also provides updates to the product.
- Planning
  This section describes the system requirements and server configurations needed for HCL Sametime and HCL Sametime Premium.
- Installing
  This section provides information on installing the servers for Sametime and Sametime Premium.
- Configuring
  This section provides information on configuring the HCL Sametime server. Configuration tasks are dependent on the deployment environment.
  - Adding corporate branding to meeting pages
    You can customize meetings to reflect your company's branding and visual presence.
  - Downloading content to the server
    When downloading content to the Sametime sever, it must be downloaded to the web/download directory.
  - Adding virtual backgrounds to the global library
    By default, you can customize your meetings with virtual backgrounds. As an administrator, you can choose which backgrounds are available to all users.
    - Adding default virtual backgrounds on Docker and Podman
      By default, virtual background is enabled. You can choose which backgrounds are available to users by default. Depending on your business needs, you can customize the global library and prevent users from uploading custom background images. For more information, refer to t_disable_background_upload.html.
    - Adding default virtual backgrounds on Kubernetes
      By default, virtual background is enabled. You can choose which backgrounds are available to users by default. Depending on your business needs, you can customize the global library and prevent users from uploading custom background images. For more information, refer to t_disable_background_upload.html.
  - Configuring alternate STUN servers
    Sametime Meetings uses public Google STUN servers by default. To use different STUN servers, you must complete this procedure before installing Sametime Meetings.
  - Setting up business cards
    You can configure the Sametime server so that business card information about an individual displays when a user hovers over a name in a chat window or a contact list. Business card information also displays at the top of an active chat window.
  - Configuring LDAP
    Sametime supports LDAP directory servers as the user repository.
  - Updating the time-to-live index for persistent chat
    The time-to-live (TTL) setting defines how long the chat history is stored in the database. The default value is 90 days. However, administrators can update the value based on the organization's preferred setting.
  - Managing secrets in Kubernetes
    Sensitive information such as passwords, service account names, certificates, and other confidential data needed by Sametime pods are stored in secrets. In addition to helm charts and configuration map, the Sametime configuration is also derived from secrets.
  - Applying configuration changes in Docker or Podman
    Configuration files contain environment variables that can be changed and applied to the Sametime server.
  - Applying configuration changes in Kubernetes or Openshift
    Configuration files contain environment variables that can be changed and applied to the Sametime server.
  - Chat
    This section contains Chat configuration considerations.
  - Meetings
    This contains configuration steps specific to the HCL Sametime Meetings server.
  - Integrating with other applications
    Integration with an application such as Verse prior to Sametime 12.0 requires the legacy web-client interface. Beginning in Sametime 12.0 the legacy web-client is not enabled by default, but can enabled when needed for integration with other products.
  - Monitoring your meeting and chat metrics with Grafana
    Sametime uses the third-party software, Grafana, to generate insightful graphs and visualizations derived from time-series database (TSDB) data. Integrating Grafana into your Sametime environment allows you to see analytic metrics about Sametime meetings and chats on a Grafana dashboard. The metrics can be used to monitor Sametime usage and resources.
  - Push messaging through a proxy
    Depending on your network settings, your firewalls could prevent Sametime proxy from connecting to push networks like Apple Push Notification Service (APNS) and Firebase Cloud Messaging (FCM) through the Internet. Sametime supports the sending of APNS and FCM messages through a proxy server. If you need to send APNS or FCM message through a proxy server in your environment, you need to configure the settings for the messages you want routed through the proxy.
- Securing
  This section provides information on securing your HCL Sametime environments.
- Administering
  This section provides information on administering on Sametime environments.
- Troubleshooting
  This section provides information on troubleshooting and supporting Sametime environments.
- Uninstalling Sametime
  In the event that Sametime must be removed, follow the procedure for the platform that Sametime is installed on.
- Migrating and Upgrading
  This section provides information on migrating data from an earlier release to Sametime 12.
- Notices

Adding default virtual backgrounds on Kubernetes

By default, virtual background is enabled. You can choose which backgrounds are available to users by default. Depending on your business needs, you can customize the global library and prevent users from uploading custom background images. For more information, refer to Disabling custom background uploads.

Before you begin

Ensure that all images are in JPG or GIF format.

Procedure

Copy the image files into the /usr/share/jitsi-meet/images/virtual-background/custom directory under the web pod and then restart the pod.

POD=$(kubectl get po --selector=name=web-0 | tail -1 | awk ' { print $1 } ')
kubectl cp <filename.gif> $POD:/usr/share/jitsi-meet/images/virtual-background/custom/.
kubectl delete po $POD

Note: Add the Namespace argument if Sametime is installed in a Namespace.

Removing default virtual backgrounds on Kubernetes

About this task

Existing default background can be deleted from the global library.

Procedure

Edit the values.yaml file in the directory where the installation package was decompressed.
Add the following statement under the global.removeVirtualBackgrounds variable specifying the image name and then restart your pod.
```
global:
  removeVirtualBackgrounds=<background-N>,<background-N>
```
N is a number from 1 through 7.
Note: You are not required to scale the backgrounds pod as these settings are global to the web app and only add to or subtract away from the default set of available "system" backgrounds. The backgrounds pod only deals with individual user settings and what background a user has selected.

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