diff --git a/src/LegacyCallHandler.tsx b/src/LegacyCallHandler.tsx
index 226cb63797..f509710518 100644
--- a/src/LegacyCallHandler.tsx
+++ b/src/LegacyCallHandler.tsx
@@ -59,6 +59,7 @@ import { SdkContextClass } from "./contexts/SDKContext";
 import { showCantStartACallDialog } from "./voice-broadcast/utils/showCantStartACallDialog";
 import { isNotNull } from "./Typeguards";
 import { BackgroundAudio } from "./audio/BackgroundAudio";
+import { Jitsi } from "./widgets/Jitsi.ts";
 
 export const PROTOCOL_PSTN = "m.protocol.pstn";
 export const PROTOCOL_PSTN_PREFIXED = "im.vector.protocol.pstn";
@@ -908,12 +909,12 @@ export default class LegacyCallHandler extends EventEmitter {
             Modal.createDialog(ErrorDialog, {
                 description: _t("voip|cannot_call_yourself_description"),
             });
-        } else if (members.length === 2) {
+        } else if (members.length === 2 && !Jitsi.getInstance().useFor1To1Calls) {
             logger.info(`Place ${type} call in ${roomId}`);
 
             await this.placeMatrixCall(roomId, type, transferee);
         } else {
-            // > 2
+            // > 2 || useFor1To1Calls
             await this.placeJitsiCall(roomId, type);
         }
     }
diff --git a/src/widgets/Jitsi.ts b/src/widgets/Jitsi.ts
index fe2ad92589..b1972b06a4 100644
--- a/src/widgets/Jitsi.ts
+++ b/src/widgets/Jitsi.ts
@@ -12,7 +12,8 @@ import { ClientEvent, IClientWellKnown } from "matrix-js-sdk/src/matrix";
 import SdkConfig from "../SdkConfig";
 import { MatrixClientPeg } from "../MatrixClientPeg";
 
-const JITSI_WK_PROPERTY = "im.vector.riot.jitsi";
+const JITSI_WK_PROPERTY_LEGACY = "im.vector.riot.jitsi";
+const JITSI_WK_PROPERTY = "io.element.jitsi";
 
 export interface JitsiWidgetData {
     conferenceId: string;
@@ -24,11 +25,16 @@ export class Jitsi {
     private static instance: Jitsi;
 
     private domain?: string;
+    private _useFor1To1Calls = false;
 
     public get preferredDomain(): string {
         return this.domain || "meet.element.io";
     }
 
+    public get useFor1To1Calls(): boolean {
+        return this._useFor1To1Calls;
+    }
+
     /**
      * Checks for auth needed by looking up a well-known file
      *
@@ -65,12 +71,16 @@ export class Jitsi {
         let domain = SdkConfig.getObject("jitsi")?.get("preferred_domain") || "meet.element.io";
 
         logger.log("Attempting to get Jitsi conference information from homeserver");
-        const wkPreferredDomain = discoveryResponse?.[JITSI_WK_PROPERTY]?.["preferredDomain"];
+        const wkJitsiConfig = discoveryResponse?.[JITSI_WK_PROPERTY] ?? discoveryResponse?.[JITSI_WK_PROPERTY_LEGACY];
+
+        const wkPreferredDomain = wkJitsiConfig?.["preferredDomain"];
         if (wkPreferredDomain) domain = wkPreferredDomain;
 
         // Put the result into memory for us to use later
         this.domain = domain;
         logger.log("Jitsi conference domain:", this.preferredDomain);
+        this._useFor1To1Calls = wkJitsiConfig?.["useFor1To1Calls"] || false;
+        logger.log("Jitsi use for 1:1 calls:", this.useFor1To1Calls);
     };
 
     /**