diff --git a/addons/mail/static/src/models/media_preview/media_preview.js b/addons/mail/static/src/models/media_preview/media_preview.js
index 19840346274..b95ae62d672 100644
--- a/addons/mail/static/src/models/media_preview/media_preview.js
+++ b/addons/mail/static/src/models/media_preview/media_preview.js
@@ -164,12 +164,22 @@ function factory(dependencies) {
         audioStream: attr({
             default: null,
         }),
+        /**
+         * States whether the browser has the required APIs for
+         * microphone/camera recording.
+         */
         doesBrowserSupportMediaDevices: attr({
             compute: '_computeDoesBrowserSupportMediaDevices',
         }),
+        /**
+         * States if the user's microphone is currently recording.
+         */
         isMicrophoneEnabled: attr({
             compute: '_computeIsMicrophoneEnabled',
         }),
+        /**
+         * States if the user's camera is currently recording.
+         */
         isVideoEnabled: attr({
             compute: '_computeIsVideoEnabled',
         }),
diff --git a/addons/mail/static/src/models/welcome_view/welcome_view.js b/addons/mail/static/src/models/welcome_view/welcome_view.js
index 1b1f4620c85..fc63651ee0b 100644
--- a/addons/mail/static/src/models/welcome_view/welcome_view.js
+++ b/addons/mail/static/src/models/welcome_view/welcome_view.js
@@ -78,7 +78,7 @@ function factory(dependencies) {
             if (this.messaging.currentGuest) {
                 await this.messaging.models['mail.welcome_view'].updateGuestNameServerSide(this.pendingGuestName.trim());
             }
-            browser.location.href = `/discuss/channel/${this.channelId}`;
+            browser.location.href = `/discuss/channel/${this.channel.id}`;
         }
 
         //----------------------------------------------------------------------
@@ -119,27 +119,52 @@ function factory(dependencies) {
     }
 
     WelcomeView.fields = {
-        channelId: attr({
+        /**
+         * The channel to redirect to once the user clicks on the 'joinButton'.
+         */
+        channel: one2one('mail.thread', {
             required: true,
         }),
         /**
-         * Used as value for `id`, `for`, and `name` attributes of the guest
+         * Used as a value for `id`, `for`, and `name` attributes of the guest
          * name input and its label. Necessary to ensure the uniqueness.
          */
         guestNameInputUniqueId: attr({
             default: `o_WelcomeView_guestNameInput_${getNextGuestNameInputId()}`,
         }),
+        /**
+         * Ref the to input element containing the 'pendingGuestName'.
+         */
         guestNameInputRef: attr(),
+        /**
+         * Determines whether the 'guestNameInput' should be focused the next
+         * time the component is updated.
+         */
         isDoFocusGuestNameInput: attr(),
+        /**
+         * Determines whether the 'joinButton' is disabled.
+         * 
+         * Shall be disabled when 'pendingGuestName' is an empty string or when
+         * the current user is not a guest.
+         */
         isJoinButtonDisabled: attr({
             compute: '_computeIsJoinButtonDisabled'
         }),
+        /**
+         * The MediaPreview linked to the current WelcomeView.
+         */
         mediaPreview: one2one('mail.media_preview', {
             default: create(),
             isCausal: true,
             readonly: true,
             required: true,
         }),
+        /**
+         * The value of the 'guestNameInput'.
+         * 
+         * Will be used to update the current guest's name when joining the
+         * channel by clicking on the 'joinButton'.
+         */
         pendingGuestName: attr(),
     };
 
diff --git a/addons/mail/static/src/public/discuss_public_boot.js b/addons/mail/static/src/public/discuss_public_boot.js
index acd5cb1e73a..94afa283482 100644
--- a/addons/mail/static/src/public/discuss_public_boot.js
+++ b/addons/mail/static/src/public/discuss_public_boot.js
@@ -1,6 +1,6 @@
 /** @odoo-module **/
 
-import { insert } from '@mail/model/model_field_command';
+import { insert, link } from '@mail/model/model_field_command';
 import { MessagingService } from '@mail/services/messaging/messaging';
 import { getMessagingComponent } from '@mail/utils/messaging_component';
 
@@ -85,11 +85,14 @@ export async function boot() {
         }
     }
 
-    async function createWelcomeView(channelId) {
+    async function createWelcomeView(channelData) {
         const messaging = await owl.Component.env.services.messaging.get();
+        const channel = messaging.models['mail.thread'].insert(
+            messaging.models['mail.thread'].convertData(channelData)
+        );
         const WelcomeView = getMessagingComponent('WelcomeView');
         const welcomeView = messaging.models['mail.welcome_view'].create({
-            channelId,
+            channel: link(channel),
             isDoFocusGuestNameInput: true,
             pendingGuestName: messaging.currentGuest && messaging.currentGuest.name,
         });
@@ -97,6 +100,10 @@ export async function boot() {
             localId: welcomeView.localId,
         });
         await welcomeViewComponent.mount(document.body);
+        if (welcomeView.channel.defaultDisplayMode === 'video_full_screen') {
+            welcomeView.mediaPreview.enableMicrophone();
+            welcomeView.mediaPreview.enableVideo();
+        }
     }
 
     return { createThreadViewFromChannelData, createWelcomeView };
diff --git a/addons/mail/views/discuss_public_templates.xml b/addons/mail/views/discuss_public_templates.xml
index 290561b6f63..6f7af7ae92a 100644
--- a/addons/mail/views/discuss_public_templates.xml
+++ b/addons/mail/views/discuss_public_templates.xml
@@ -41,8 +41,7 @@
                     odoo.define('mail.discuss_public_boot_channel', async function(require) {
                         const { boot } = require('@mail/public/discuss_public_boot');
                         const { createThreadViewFromChannelData } = await boot();
-                        const channelData = <t t-out="json.dumps(channel_sudo.channel_info()[0])"/>;
-                        createThreadViewFromChannelData(channelData);
+                        createThreadViewFromChannelData(<t t-out="json.dumps(channel_sudo.channel_info()[0])"/>);
                     });
                 </script>
             </t>
@@ -56,8 +55,7 @@
                     odoo.define('mail.discuss_public_boot_welcome_view', async function(require) {
                         const { boot } = require('@mail/public/discuss_public_boot');
                         const { createWelcomeView } = await boot();
-                        const channelId = <t t-out="channel_sudo.id"/>;
-                        createWelcomeView(channelId);
+                        createWelcomeView(<t t-out="json.dumps(channel_sudo.channel_info()[0])"/>);
                     });
                 </script>
             </t>