diff --git a/addons/mail/static/src/discuss/call/common/rtc_service.js b/addons/mail/static/src/discuss/call/common/rtc_service.js
index 3c6c517e301..9cbda23e5fa 100644
--- a/addons/mail/static/src/discuss/call/common/rtc_service.js
+++ b/addons/mail/static/src/discuss/call/common/rtc_service.js
@@ -1553,7 +1553,15 @@ export class Rtc {
             return;
         }
         const oldCount = channel.rtcSessions.length;
+        const hadSelfSession = Boolean(this.state.selfSession?.in(channel.rtcSessions));
         channel.rtcSessions = sessionsData;
+        if (
+            !hadSelfSession ||
+            hadSelfSession !== Boolean(this.state.selfSession?.in(channel.rtcSessions)) ||
+            !this.store.env.services["multi_tab"].isOnMainTab()
+        ) {
+            return;
+        }
         if (channel.rtcSessions.length > oldCount) {
             this.soundEffectsService.play("channel-join");
         } else if (channel.rtcSessions.length < oldCount) {
diff --git a/addons/mail/static/tests/discuss/call/call_tests.js b/addons/mail/static/tests/discuss/call/call_tests.js
index 21cb72b39ed..d0114ef8ffe 100644
--- a/addons/mail/static/tests/discuss/call/call_tests.js
+++ b/addons/mail/static/tests/discuss/call/call_tests.js
@@ -105,16 +105,6 @@ QUnit.test("should disconnect when closing page while in call", async (assert) =
 });
 
 QUnit.test("should display invitations", async (assert) => {
-    patchWithCleanup(browser, {
-        Audio: class extends Audio {
-            pause() {
-                assert.step("pause_sound_effect");
-            }
-            play() {
-                assert.step("play_sound_effect");
-            }
-        },
-    });
     const pyEnv = await startServer();
     const channelId = pyEnv["discuss.channel"].create({ name: "General" });
     const partnerId = pyEnv["res.partner"].create({ name: "InvitationSender" });
@@ -126,7 +116,17 @@ QUnit.test("should display invitations", async (assert) => {
         channel_member_id: memberId,
         channel_id: channelId,
     });
-    await start();
+    const { env } = await start();
+    patchWithCleanup(env.services["mail.sound_effects"], {
+        play(name) {
+            assert.step(`play - ${name}`);
+            super.play(...arguments);
+        },
+        stop(name) {
+            assert.step(`stop - ${name}`);
+            super.stop(...arguments);
+        },
+    });
     pyEnv["bus.bus"]._sendone(pyEnv.currentPartner, "mail.record/insert", {
         Thread: {
             id: channelId,
@@ -135,7 +135,7 @@ QUnit.test("should display invitations", async (assert) => {
         },
     });
     await contains(".o-discuss-CallInvitation");
-    assert.verifySteps(["play_sound_effect"]);
+    assert.verifySteps(["play - incoming-call"]);
     // Simulate stop receiving call invitation
     pyEnv["bus.bus"]._sendone(pyEnv.currentPartner, "mail.record/insert", {
         Thread: {
@@ -145,7 +145,7 @@ QUnit.test("should display invitations", async (assert) => {
         },
     });
     await contains(".o-discuss-CallInvitation", { count: 0 });
-    assert.verifySteps(["pause_sound_effect"]);
+    assert.verifySteps(["stop - incoming-call"]);
 });
 
 QUnit.test("can share screen", async () => {
@@ -223,3 +223,31 @@ QUnit.test("Click on inset card should replace the inset and active stream toget
     await contains("video[type='screen'].o-inset");
     await contains("video[type='camera']:not(.o-inset)");
 });
+
+QUnit.test("join/leave sounds are only played on main tab", async (assert) => {
+    mockGetMedia();
+    const pyEnv = await startServer();
+    const channelId = pyEnv["discuss.channel"].create({ name: "General" });
+    const tab1 = await start({ asTab: true });
+    const tab2 = await start({ asTab: true });
+    patchWithCleanup(tab1.env.services["mail.sound_effects"], {
+        play(name) {
+            assert.step(`tab1 - play - ${name}`);
+        },
+    });
+    patchWithCleanup(tab2.env.services["mail.sound_effects"], {
+        play(name) {
+            assert.step(`tab2 - play - ${name}`);
+        },
+    });
+    await tab1.openDiscuss(channelId);
+    await tab2.openDiscuss(channelId);
+    await click("[title='Start a Call']", { target: tab1.target });
+    await contains(".o-discuss-Call", { target: tab1.target });
+    await contains(".o-discuss-Call", { target: tab2.target });
+    assert.verifySteps(["tab1 - play - channel-join"]);
+    await click("[title='Disconnect']:not([disabled])", { target: tab1.target });
+    await contains(".o-discuss-Call", { target: tab1.target, count: 0 });
+    await contains(".o-discuss-Call", { target: tab2.target, count: 0 });
+    assert.verifySteps(["tab1 - play - channel-leave"]);
+});
diff --git a/addons/mail/static/tests/helpers/mock_server/controllers/discuss.js b/addons/mail/static/tests/helpers/mock_server/controllers/discuss.js
index 4d8d970996a..f473506e02e 100644
--- a/addons/mail/static/tests/helpers/mock_server/controllers/discuss.js
+++ b/addons/mail/static/tests/helpers/mock_server/controllers/discuss.js
@@ -167,7 +167,7 @@ patch(MockServer.prototype, {
             return this._mockRouteMailRtcChannelLeaveCall(args.channel_id);
         }
         if (route === "/mail/rtc/session/update_and_broadcast") {
-            return;
+            return this._mockRouteMailRtcSessionUpdateAndBroadcast(args.session_id, args.values);
         }
         if (route === "/mail/starred/messages") {
             const { search_term, after, before, limit } = args;
@@ -602,6 +602,23 @@ patch(MockServer.prototype, {
         }
         this.pyEnv["bus.bus"]._sendmany(notifications);
     },
+    /**
+     * Simulates the `/mail/rtc/session/update_and_broadcast` route.
+     *
+     * @param {number} session_id
+     * @param {object} values
+     */
+    async _mockRouteMailRtcSessionUpdateAndBroadcast(session_id, values) {
+        const [session] = this.pyEnv["discuss.channel.rtc.session"].searchRead([
+            ["id", "=", session_id],
+        ]);
+        const [currentChannelMember] = this.pyEnv["discuss.channel.member"].searchRead([
+            ["id", "=", session.channel_member_id[0]],
+        ]);
+        if (session && currentChannelMember.partner_id[0] === this.pyEnv.currentPartnerId) {
+            this._mockDiscussChannelRtcSession__updateAndBroadcast(session.id, values);
+        }
+    },
     /**
      * Simulates the `/mail/thread/data` route.
      *
diff --git a/addons/mail/static/tests/helpers/mock_server/models/discuss_channel_rtc_session.js b/addons/mail/static/tests/helpers/mock_server/models/discuss_channel_rtc_session.js
index 2de86e67305..82ef578581b 100644
--- a/addons/mail/static/tests/helpers/mock_server/models/discuss_channel_rtc_session.js
+++ b/addons/mail/static/tests/helpers/mock_server/models/discuss_channel_rtc_session.js
@@ -4,6 +4,30 @@ import { patch } from "@web/core/utils/patch";
 import { MockServer } from "@web/../tests/helpers/mock_server";
 
 patch(MockServer.prototype, {
+    mockCreate(model) {
+        if (model !== "discuss.channel.rtc.session") {
+            return super.mockCreate(...arguments);
+        }
+        const sessionIds = super.mockCreate(...arguments);
+        const channelInfo =
+            this._mockDiscussChannelRtcSession_DiscussChannelRtcSessionFormatByChannel(sessionIds);
+        const notifications = [];
+        for (const [channelId, sessionData] of Object.entries(channelInfo)) {
+            const [channel] = this.pyEnv["discuss.channel"].searchRead([
+                ["id", "=", Number(channelId)],
+            ]);
+            notifications.push([
+                channel,
+                "discuss.channel/rtc_sessions_update",
+                {
+                    id: channel.id,
+                    rtcSessions: [["ADD", sessionData]],
+                },
+            ]);
+        }
+        this.pyEnv["bus.bus"]._sendmany(notifications);
+        return sessionIds;
+    },
     /**
      * Simulates `_mail_rtc_session_format` on `discuss.channel.rtc.session`.
      *
@@ -54,4 +78,21 @@ patch(MockServer.prototype, {
         }
         return data;
     },
+    /**
+     * Simulates `_update_and_broadcast` on `discuss.channel.rtc.session`.
+     *
+     * @param {object} values
+     */
+    _mockDiscussChannelRtcSession__updateAndBroadcast(id, values) {
+        this.pyEnv["discuss.channel.rtc.session"].write([id], values);
+        const sessionData = this._mockDiscussChannelRtcSession_DiscussChannelRtcSessionFormat(id);
+        const [channel] = this.pyEnv["discuss.channel"].searchRead([
+            ["id", "=", sessionData.channelMember.thread.id],
+        ]);
+        this.pyEnv["bus.bus"]._sendone(
+            channel,
+            "discuss.channel.rtc.session/update_and_broadcast",
+            { data: sessionData, channelId: channel.id }
+        );
+    },
 });