diff --git a/src/IConfigOptions.ts b/src/IConfigOptions.ts
index 501d8a3bd64..4dc537aab07 100644
--- a/src/IConfigOptions.ts
+++ b/src/IConfigOptions.ts
@@ -119,6 +119,7 @@ export interface IConfigOptions {
     };
     element_call: {
         url?: string;
+        guest_spa_url?: string;
         use_exclusively?: boolean;
         participant_limit?: number;
         brand?: string;
diff --git a/src/components/views/dialogs/ShareDialog.tsx b/src/components/views/dialogs/ShareDialog.tsx
index aba35e70e2c..9e6ee7fc8aa 100644
--- a/src/components/views/dialogs/ShareDialog.tsx
+++ b/src/components/views/dialogs/ShareDialog.tsx
@@ -62,11 +62,28 @@ const socials = [
 ];
 
 interface BaseProps {
+    /**
+     * A function that is called when the dialog is dismissed
+     */
     onFinished(): void;
+    /**
+     * An optional string to use as the dialog title.
+     * If not provided, an appropriate title for the target type will be used.
+     */
+    customTitle?: string;
+    /**
+     * An optional string to use as the dialog subtitle
+     */
+    subtitle?: string;
 }
 
 interface Props extends BaseProps {
-    target: Room | User | RoomMember;
+    /**
+     * The target to link to.
+     * This can be a Room, User, RoomMember, or MatrixEvent or an already computed URL.
+     * A <u>matrix.to</u> link will be generated out of it if it's not already a url.
+     */
+    target: Room | User | RoomMember | URL;
     permalinkCreator?: RoomPermalinkCreator;
 }
 
@@ -109,7 +126,9 @@ export default class ShareDialog extends React.PureComponent<XOR<Props, EventPro
     };
 
     private getUrl(): string {
-        if (this.props.target instanceof Room) {
+        if (this.props.target instanceof URL) {
+            return this.props.target.toString();
+        } else if (this.props.target instanceof Room) {
             if (this.state.linkSpecificEvent) {
                 const events = this.props.target.getLiveTimeline().getEvents();
                 return this.state.permalinkCreator!.forEvent(events[events.length - 1].getId()!);
@@ -129,8 +148,10 @@ export default class ShareDialog extends React.PureComponent<XOR<Props, EventPro
         let title: string | undefined;
         let checkbox: JSX.Element | undefined;
 
-        if (this.props.target instanceof Room) {
-            title = _t("share|title_room");
+        if (this.props.target instanceof URL) {
+            title = this.props.customTitle ?? _t("share|title_link");
+        } else if (this.props.target instanceof Room) {
+            title = this.props.customTitle ?? _t("share|title_room");
 
             const events = this.props.target.getLiveTimeline().getEvents();
             if (events.length > 0) {
@@ -146,9 +167,9 @@ export default class ShareDialog extends React.PureComponent<XOR<Props, EventPro
                 );
             }
         } else if (this.props.target instanceof User || this.props.target instanceof RoomMember) {
-            title = _t("share|title_user");
+            title = this.props.customTitle ?? _t("share|title_user");
         } else if (this.props.target instanceof MatrixEvent) {
-            title = _t("share|title_message");
+            title = this.props.customTitle ?? _t("share|title_message");
             checkbox = (
                 <div>
                     <StyledCheckbox
@@ -206,6 +227,7 @@ export default class ShareDialog extends React.PureComponent<XOR<Props, EventPro
                 contentId="mx_Dialog_content"
                 onFinished={this.props.onFinished}
             >
+                {this.props.subtitle && <p>{this.props.subtitle}</p>}
                 <div className="mx_ShareDialog_content">
                     <CopyableText getTextToCopy={() => matrixToUrl}>
                         <a title={_t("share|link_title")} href={matrixToUrl} onClick={ShareDialog.onLinkClick}>
diff --git a/src/components/views/rooms/RoomHeader.tsx b/src/components/views/rooms/RoomHeader.tsx
index 6d1ea9f8eb6..8ca26ebcdea 100644
--- a/src/components/views/rooms/RoomHeader.tsx
+++ b/src/components/views/rooms/RoomHeader.tsx
@@ -18,6 +18,7 @@ import React, { useCallback, useEffect, useMemo, useState } from "react";
 import { Body as BodyText, Button, IconButton, Menu, MenuItem, Tooltip } from "@vector-im/compound-web";
 import { Icon as VideoCallIcon } from "@vector-im/compound-design-tokens/icons/video-call-solid.svg";
 import { Icon as VoiceCallIcon } from "@vector-im/compound-design-tokens/icons/voice-call.svg";
+import { Icon as ExternalLinkIcon } from "@vector-im/compound-design-tokens/icons/link.svg";
 import { Icon as CloseCallIcon } from "@vector-im/compound-design-tokens/icons/close.svg";
 import { Icon as ThreadsIcon } from "@vector-im/compound-design-tokens/icons/threads-solid.svg";
 import { Icon as NotificationsIcon } from "@vector-im/compound-design-tokens/icons/notifications-solid.svg";
@@ -26,6 +27,7 @@ import { Icon as ErrorIcon } from "@vector-im/compound-design-tokens/icons/error
 import { Icon as PublicIcon } from "@vector-im/compound-design-tokens/icons/public.svg";
 import { EventType, JoinRule, type Room } from "matrix-js-sdk/src/matrix";
 import { ViewRoomOpts } from "@matrix-org/react-sdk-module-api/lib/lifecycles/RoomViewLifecycle";
+import { logger } from "matrix-js-sdk/src/logger";
 
 import { useRoomName } from "../../../hooks/useRoomName";
 import { RightPanelPhases } from "../../../stores/right-panel/RightPanelStorePhases";
@@ -54,6 +56,8 @@ import { VideoRoomChatButton } from "./RoomHeader/VideoRoomChatButton";
 import { RoomKnocksBar } from "./RoomKnocksBar";
 import { isVideoRoom } from "../../../utils/video-rooms";
 import { notificationLevelToIndicator } from "../../../utils/notifications";
+import Modal from "../../../Modal";
+import ShareDialog from "../dialogs/ShareDialog";
 
 export default function RoomHeader({
     room,
@@ -78,6 +82,8 @@ export default function RoomHeader({
         videoCallClick,
         toggleCallMaximized: toggleCall,
         isViewingCall,
+        generateCallLink,
+        canGenerateCallLink,
         isConnectedToCall,
         hasActiveCallSession,
         callOptions,
@@ -118,6 +124,20 @@ export default function RoomHeader({
 
     const videoClick = useCallback((ev) => videoCallClick(ev, callOptions[0]), [callOptions, videoCallClick]);
 
+    const shareClick = useCallback(() => {
+        try {
+            // generateCallLink throws if the permissions are not met
+            const target = generateCallLink();
+            Modal.createDialog(ShareDialog, {
+                target,
+                customTitle: _t("share|share_call"),
+                subtitle: _t("share|share_call_subtitle"),
+            });
+        } catch (e) {
+            logger.error("Could not generate call link.", e);
+        }
+    }, [generateCallLink]);
+
     const toggleCallButton = (
         <Tooltip label={isViewingCall ? _t("voip|minimise_call") : _t("voip|maximise_call")}>
             <IconButton onClick={toggleCall}>
@@ -125,7 +145,13 @@ export default function RoomHeader({
             </IconButton>
         </Tooltip>
     );
-
+    const createExternalLinkButton = (
+        <Tooltip label={_t("voip|get_call_link")}>
+            <IconButton onClick={shareClick} aria-label={_t("voip|get_call_link")}>
+                <ExternalLinkIcon />
+            </IconButton>
+        </Tooltip>
+    );
     const joinCallButton = (
         <Tooltip label={videoCallDisabledReason ?? _t("voip|video_call")}>
             <Button
@@ -309,7 +335,7 @@ export default function RoomHeader({
                             </Tooltip>
                         );
                     })}
-
+                    {isViewingCall && canGenerateCallLink && createExternalLinkButton}
                     {((isConnectedToCall && isViewingCall) || isVideoRoom(room)) && <VideoRoomChatButton room={room} />}
 
                     {hasActiveCallSession && !isConnectedToCall && !isViewingCall ? (
diff --git a/src/hooks/room/useRoomCall.ts b/src/hooks/room/useRoomCall.ts
index 8d9045825c1..92f350087fb 100644
--- a/src/hooks/room/useRoomCall.ts
+++ b/src/hooks/room/useRoomCall.ts
@@ -14,9 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { Room } from "matrix-js-sdk/src/matrix";
+import { JoinRule, Room } from "matrix-js-sdk/src/matrix";
 import React, { useCallback, useEffect, useMemo, useState } from "react";
 import { CallType } from "matrix-js-sdk/src/webrtc/call";
+import { logger } from "matrix-js-sdk/src/logger";
 
 import { useFeatureEnabled } from "../useSettings";
 import SdkConfig from "../../SdkConfig";
@@ -39,6 +40,7 @@ import defaultDispatcher from "../../dispatcher/dispatcher";
 import { ViewRoomPayload } from "../../dispatcher/payloads/ViewRoomPayload";
 import { Action } from "../../dispatcher/actions";
 import { CallStore, CallStoreEvent } from "../../stores/CallStore";
+import { calculateRoomVia } from "../../utils/permalinks/Permalinks";
 
 export enum PlatformCallType {
     ElementCall,
@@ -78,27 +80,35 @@ export const useRoomCall = (
     videoCallClick(evt: React.MouseEvent | undefined, selectedType: PlatformCallType): void;
     toggleCallMaximized: () => void;
     isViewingCall: boolean;
+    generateCallLink: () => URL;
+    canGenerateCallLink: boolean;
     isConnectedToCall: boolean;
     hasActiveCallSession: boolean;
     callOptions: PlatformCallType[];
 } => {
+    // settings
     const groupCallsEnabled = useFeatureEnabled("feature_group_calls");
     const useElementCallExclusively = useMemo(() => {
         return SdkConfig.get("element_call").use_exclusively;
     }, []);
 
+    const guestSpaUrl = useMemo(() => {
+        return SdkConfig.get("element_call").guest_spa_url;
+    }, []);
+
     const hasLegacyCall = useEventEmitterState(
         LegacyCallHandler.instance,
         LegacyCallHandlerEvent.CallsChanged,
         () => LegacyCallHandler.instance.getCallForRoom(room.roomId) !== null,
     );
-
+    // settings
     const widgets = useWidgets(room);
     const jitsiWidget = useMemo(() => widgets.find((widget) => WidgetType.JITSI.matches(widget.type)), [widgets]);
     const hasJitsiWidget = !!jitsiWidget;
     const managedHybridWidget = useMemo(() => widgets.find(isManagedHybridWidget), [widgets]);
     const hasManagedHybridWidget = !!managedHybridWidget;
 
+    // group call
     const groupCall = useCall(room.roomId);
     const isConnectedToCall = useConnectionState(groupCall) === ConnectionState.Connected;
     const hasGroupCall = groupCall !== null;
@@ -107,11 +117,14 @@ export const useRoomCall = (
         SdkContextClass.instance.roomViewStore.isViewingCall(),
     );
 
+    // room
     const memberCount = useRoomMemberCount(room);
 
-    const [mayEditWidgets, mayCreateElementCalls] = useRoomState(room, () => [
+    const [mayEditWidgets, mayCreateElementCalls, canJoinWithoutInvite] = useRoomState(room, () => [
         room.currentState.mayClientSendStateEvent("im.vector.modular.widgets", room.client),
         room.currentState.mayClientSendStateEvent(ElementCall.MEMBER_EVENT_TYPE.name, room.client),
+        room.getJoinRule() === "public" || room.getJoinRule() === JoinRule.Knock,
+        /*|| room.getJoinRule() === JoinRule.Restricted <- rule for joining via token?*/
     ]);
 
     // The options provided to the RoomHeader.
@@ -131,7 +144,7 @@ export const useRoomCall = (
                 return [PlatformCallType.ElementCall];
             }
             if (hasGroupCall && WidgetType.CALL.matches(groupCall.widget.type)) {
-                // only allow joining joining the ongoing Element call if there is one.
+                // only allow joining the ongoing Element call if there is one.
                 return [PlatformCallType.ElementCall];
             }
         }
@@ -258,6 +271,26 @@ export const useRoomCall = (
         });
     }, [isViewingCall, room.roomId]);
 
+    const generateCallLink = useCallback(() => {
+        if (!canJoinWithoutInvite)
+            throw new Error("Cannot create link for room that users can not join without invite.");
+        if (!guestSpaUrl) throw new Error("No guest SPA url for external links provided.");
+        const url = new URL(guestSpaUrl);
+        url.pathname = "/room/";
+        // Set params for the sharable url
+        url.searchParams.set("roomId", room.roomId);
+        url.searchParams.set("perParticipantE2EE", "true");
+        for (const server of calculateRoomVia(room)) {
+            url.searchParams.set("viaServers", server);
+        }
+
+        // Move params into hash
+        url.hash = "/" + room.name + url.search;
+        url.search = "";
+
+        logger.info("Generated element call external url:", url);
+        return url;
+    }, [canJoinWithoutInvite, guestSpaUrl, room]);
     /**
      * We've gone through all the steps
      */
@@ -268,6 +301,8 @@ export const useRoomCall = (
         videoCallClick,
         toggleCallMaximized: toggleCallMaximized,
         isViewingCall: isViewingCall,
+        generateCallLink,
+        canGenerateCallLink: guestSpaUrl !== undefined && canJoinWithoutInvite,
         isConnectedToCall: isConnectedToCall,
         hasActiveCallSession: hasActiveCallSession,
         callOptions,
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index c974dc5f8b1..348b7a9ed5d 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -2896,6 +2896,9 @@
         "link_title": "Link to room",
         "permalink_message": "Link to selected message",
         "permalink_most_recent": "Link to most recent message",
+        "share_call": "Conference invite link",
+        "share_call_subtitle": "Link for external users to join the call without a matrix account:",
+        "title_link": "Share Link",
         "title_message": "Share Room Message",
         "title_room": "Share Room",
         "title_user": "Share User"
@@ -3828,6 +3831,7 @@
         "expand": "Return to call",
         "failed_call_live_broadcast_description": "You can’t start a call as you are currently recording a live broadcast. Please end your live broadcast in order to start a call.",
         "failed_call_live_broadcast_title": "Can’t start a call",
+        "get_call_link": "Share call link",
         "hangup": "Hangup",
         "hide_sidebar_button": "Hide sidebar",
         "input_devices": "Input devices",
diff --git a/test/components/views/dialogs/ShareDialog-test.tsx b/test/components/views/dialogs/ShareDialog-test.tsx
new file mode 100644
index 00000000000..a78f4cf62ff
--- /dev/null
+++ b/test/components/views/dialogs/ShareDialog-test.tsx
@@ -0,0 +1,130 @@
+/*
+Copyright 2024 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+import { EventTimeline, MatrixEvent, Room, RoomMember } from "matrix-js-sdk/src/matrix";
+import { render, RenderOptions } from "@testing-library/react";
+import { TooltipProvider } from "@vector-im/compound-web";
+
+import { MatrixClientPeg } from "../../../../src/MatrixClientPeg";
+import SettingsStore from "../../../../src/settings/SettingsStore";
+import MatrixClientContext from "../../../../src/contexts/MatrixClientContext";
+import { _t } from "../../../../src/languageHandler";
+import ShareDialog from "../../../../src/components/views/dialogs/ShareDialog";
+import { UIFeature } from "../../../../src/settings/UIFeature";
+import { stubClient } from "../../../test-utils";
+jest.mock("../../../../src/utils/ShieldUtils");
+
+function getWrapper(): RenderOptions {
+    return {
+        wrapper: ({ children }) => (
+            <TooltipProvider>
+                <MatrixClientContext.Provider value={MatrixClientPeg.safeGet()}>
+                    {children}
+                </MatrixClientContext.Provider>
+            </TooltipProvider>
+        ),
+    };
+}
+
+describe("ShareDialog", () => {
+    let room: Room;
+
+    const ROOM_ID = "!1:example.org";
+
+    beforeEach(async () => {
+        stubClient();
+        room = new Room(ROOM_ID, MatrixClientPeg.get()!, "@alice:example.org");
+    });
+
+    afterEach(() => {
+        jest.restoreAllMocks();
+    });
+
+    it("renders room share dialog", () => {
+        const { container: withoutEvents } = render(<ShareDialog target={room} onFinished={jest.fn()} />, getWrapper());
+        expect(withoutEvents).toHaveTextContent(_t("share|title_room"));
+
+        jest.spyOn(room, "getLiveTimeline").mockReturnValue({ getEvents: () => [{} as MatrixEvent] } as EventTimeline);
+        const { container: withEvents } = render(<ShareDialog target={room} onFinished={jest.fn()} />, getWrapper());
+        expect(withEvents).toHaveTextContent(_t("share|permalink_most_recent"));
+    });
+
+    it("renders user share dialog", () => {
+        mockRoomMembers(room, 1);
+        const { container } = render(
+            <ShareDialog target={room.getJoinedMembers()[0]} onFinished={jest.fn()} />,
+            getWrapper(),
+        );
+        expect(container).toHaveTextContent(_t("share|title_user"));
+    });
+
+    it("renders link share dialog", () => {
+        mockRoomMembers(room, 1);
+        const { container } = render(
+            <ShareDialog target={new URL("https://matrix.org")} onFinished={jest.fn()} />,
+            getWrapper(),
+        );
+        expect(container).toHaveTextContent(_t("share|title_link"));
+    });
+
+    it("renders the QR code if configured", () => {
+        const originalGetValue = SettingsStore.getValue;
+        jest.spyOn(SettingsStore, "getValue").mockImplementation((feature) => {
+            if (feature === UIFeature.ShareQRCode) return true;
+            return originalGetValue(feature);
+        });
+        const { container } = render(<ShareDialog target={room} onFinished={jest.fn()} />, getWrapper());
+        const qrCodesVisible = container.getElementsByClassName("mx_ShareDialog_qrcode_container").length > 0;
+        expect(qrCodesVisible).toBe(true);
+    });
+
+    it("renders the social button if configured", () => {
+        const originalGetValue = SettingsStore.getValue;
+        jest.spyOn(SettingsStore, "getValue").mockImplementation((feature) => {
+            if (feature === UIFeature.ShareSocial) return true;
+            return originalGetValue(feature);
+        });
+        const { container } = render(<ShareDialog target={room} onFinished={jest.fn()} />, getWrapper());
+        const qrCodesVisible = container.getElementsByClassName("mx_ShareDialog_social_container").length > 0;
+        expect(qrCodesVisible).toBe(true);
+    });
+    it("renders custom title and subtitle", () => {
+        const { container } = render(
+            <ShareDialog
+                target={room}
+                customTitle="test_title_123"
+                subtitle="custom_subtitle_1234"
+                onFinished={jest.fn()}
+            />,
+            getWrapper(),
+        );
+        expect(container).toHaveTextContent("test_title_123");
+        expect(container).toHaveTextContent("custom_subtitle_1234");
+    });
+});
+/**
+ *
+ * @param count the number of users to create
+ */
+function mockRoomMembers(room: Room, count: number) {
+    const members = Array(count)
+        .fill(0)
+        .map((_, index) => new RoomMember(room.roomId, "@alice:example.org"));
+
+    room.currentState.setJoinedMemberCount(members.length);
+    room.getJoinedMembers = jest.fn().mockReturnValue(members);
+}
diff --git a/test/components/views/rooms/RoomHeader-test.tsx b/test/components/views/rooms/RoomHeader-test.tsx
index f051738c8a4..427b68634a8 100644
--- a/test/components/views/rooms/RoomHeader-test.tsx
+++ b/test/components/views/rooms/RoomHeader-test.tsx
@@ -55,9 +55,12 @@ import { Call, ElementCall } from "../../../../src/models/Call";
 import * as ShieldUtils from "../../../../src/utils/ShieldUtils";
 import { Container, WidgetLayoutStore } from "../../../../src/stores/widgets/WidgetLayoutStore";
 import MatrixClientContext from "../../../../src/contexts/MatrixClientContext";
+import { _t } from "../../../../src/languageHandler";
 import * as UseCall from "../../../../src/hooks/useCall";
 import { SdkContextClass } from "../../../../src/contexts/SDKContext";
 import WidgetStore, { IApp } from "../../../../src/stores/WidgetStore";
+import ShareDialog from "../../../../src/components/views/dialogs/ShareDialog";
+import Modal from "../../../../src/Modal";
 jest.mock("../../../../src/utils/ShieldUtils");
 
 function getWrapper(): RenderOptions {
@@ -491,6 +494,96 @@ describe("RoomHeader", () => {
         });
     });
 
+    describe("External conference", () => {
+        const oldGet = SdkConfig.get;
+        beforeEach(() => {
+            jest.spyOn(SdkConfig, "get").mockImplementation((key) => {
+                if (key === "element_call") {
+                    return { guest_spa_url: "https://guest_spa_url.com", url: "https://spa_url.com" };
+                }
+                return oldGet(key);
+            });
+            mockRoomMembers(room, 3);
+            jest.spyOn(SdkContextClass.instance.roomViewStore, "isViewingCall").mockReturnValue(true);
+        });
+
+        it("shows the external conference if the room has public join rules", () => {
+            jest.spyOn(room, "getJoinRule").mockReturnValue(JoinRule.Public);
+
+            const { container } = render(<RoomHeader room={room} />, getWrapper());
+            expect(getByLabelText(container, _t("voip|get_call_link"))).toBeInTheDocument();
+        });
+
+        it("shows the external conference if the room has Knock join rules", () => {
+            jest.spyOn(room, "getJoinRule").mockReturnValue(JoinRule.Knock);
+
+            const { container } = render(<RoomHeader room={room} />, getWrapper());
+            expect(getByLabelText(container, _t("voip|get_call_link"))).toBeInTheDocument();
+        });
+
+        it("don't show external conference button if the call is not shown", () => {
+            jest.spyOn(room, "getJoinRule").mockReturnValue(JoinRule.Public);
+            jest.spyOn(SdkContextClass.instance.roomViewStore, "isViewingCall").mockReturnValue(false);
+
+            let { container } = render(<RoomHeader room={room} />, getWrapper());
+            expect(screen.queryByLabelText(_t("voip|get_call_link"))).not.toBeInTheDocument();
+
+            jest.spyOn(SdkContextClass.instance.roomViewStore, "isViewingCall").mockReturnValue(true);
+
+            container = render(<RoomHeader room={room} />, getWrapper()).container;
+
+            expect(getByLabelText(container, _t("voip|get_call_link"))).toBeInTheDocument();
+        });
+
+        it("don't show external conference button if now guest spa link is configured", () => {
+            jest.spyOn(room, "getJoinRule").mockReturnValue(JoinRule.Public);
+            jest.spyOn(SdkContextClass.instance.roomViewStore, "isViewingCall").mockReturnValue(true);
+
+            jest.spyOn(SdkConfig, "get").mockImplementation((key) => {
+                if (key === "element_call") {
+                    return { url: "https://example2.com" };
+                }
+                return oldGet(key);
+            });
+
+            render(<RoomHeader room={room} />, getWrapper());
+
+            // We only change the SdkConfig and show that this everything else is
+            // configured so that the call link button is shown.
+
+            jest.spyOn(SdkConfig, "get").mockImplementation((key) => {
+                if (key === "element_call") {
+                    return { guest_spa_url: "https://guest_spa_url.com", url: "https://example2.com" };
+                }
+                return oldGet(key);
+            });
+
+            expect(screen.queryByLabelText(_t("voip|get_call_link"))).not.toBeInTheDocument();
+            const { container } = render(<RoomHeader room={room} />, getWrapper());
+            expect(getByLabelText(container, _t("voip|get_call_link"))).toBeInTheDocument();
+        });
+        it("opens the share dialog with the correct share link", () => {
+            jest.spyOn(room, "getJoinRule").mockReturnValue(JoinRule.Public);
+            jest.spyOn(SdkContextClass.instance.roomViewStore, "isViewingCall").mockReturnValue(true);
+
+            const { container } = render(<RoomHeader room={room} />, getWrapper());
+            const modalSpy = jest.spyOn(Modal, "createDialog");
+            fireEvent.click(getByLabelText(container, _t("voip|get_call_link")));
+            const target =
+                "https://guest_spa_url.com/room/#/!1:example.org?roomId=%211%3Aexample.org&perParticipantE2EE=true&viaServers=example.org";
+            expect(modalSpy).toHaveBeenCalled();
+            const arg0 = modalSpy.mock.calls[0][0];
+            const arg1 = modalSpy.mock.calls[0][1] as any;
+            expect(arg0).toEqual(ShareDialog);
+            const { customTitle, subtitle } = arg1;
+            expect({ customTitle, subtitle }).toEqual({
+                customTitle: "Conference invite link",
+                subtitle: _t("share|share_call_subtitle"),
+            });
+            expect(arg1.target.toString()).toEqual(target);
+        });
+    });
+
     describe("public room", () => {
         it("shows a globe", () => {
             const joinRuleEvent = new MatrixEvent({