diff --git a/ts/RemoteConfig.ts b/ts/RemoteConfig.ts
index 6a5bec9c40d..c10407034f8 100644
--- a/ts/RemoteConfig.ts
+++ b/ts/RemoteConfig.ts
@@ -10,6 +10,7 @@ export type ConfigKeyType =
   | 'desktop.announcementGroup'
   | 'desktop.calling.audioLevelForSpeaking'
   | 'desktop.cdsi'
+  | 'desktop.cdsi.beta'
   | 'desktop.cdsi.returnAcisWithoutUaks'
   | 'desktop.cdsi.mirroring'
   | 'desktop.clientExpiration'
diff --git a/ts/util/getUuidsForE164s.ts b/ts/util/getUuidsForE164s.ts
index e7b3f8d0c1b..b39b657371f 100644
--- a/ts/util/getUuidsForE164s.ts
+++ b/ts/util/getUuidsForE164s.ts
@@ -7,6 +7,7 @@ import type { UUIDStringType } from '../types/UUID';
 import * as log from '../logging/log';
 import { isEnabled } from '../RemoteConfig';
 import { isDirectConversation, isMe } from './whatTypeOfConversation';
+import { isBeta } from './version';
 
 export async function getUuidsForE164s(
   server: Pick<WebAPIType, 'cdsLookup'>,
@@ -39,7 +40,10 @@ export async function getUuidsForE164s(
   }
 
   const returnAcisWithoutUaks = isEnabled('desktop.cdsi.returnAcisWithoutUaks');
-  const isCDSI = isEnabled('desktop.cdsi');
+  const isCDSI =
+    isEnabled('desktop.cdsi') ||
+    (isBeta(window.getVersion()) && isEnabled('desktop.cdsi.beta'));
+
   const isMirroring = isEnabled('desktop.cdsi.mirroring');
 
   log.info(