Update app/lib/services/voip/MediaSessionStore.ts

Co-authored-by: Pierre Lehnen <55164754+pierre-lehnen-rc@users.noreply.github.com>

Author: diegolmello

app/lib/services/voip/MediaSessionStore.ts

@@ -66,7 +66,7 @@ class MediaSessionStore extends Emitter<{ change: void }> {
 			displayMediaFactory: (constraints: any) => mediaDevices.getUserMedia(constraints) as unknown as Promise<MediaStream>,
 			randomStringFactory,
 			logger: new MediaCallLogger(),
-			features: ['audio'],
+			features: ['audio', 'hold'],
 			mobileDeviceId
 		});