diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index b6d6832040..2cd3a9ad23 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -8295,6 +8295,7 @@ retryowner2:
 			ast_log(LOG_DEBUG, "Received out of order packet... (type=%d, subclass %d, ts = %d, last = %d)\n", f.frametype, f.subclass, fr->ts, iaxs[fr->callno]->last);
 		fr->outoforder = -1;
 	}
+	fr->cacheable = ((f.frametype == AST_FRAME_VOICE) || (f.frametype == AST_FRAME_VIDEO));
 	duped_fr = iaxfrdup2(fr);
 	if (duped_fr) {
 		schedule_delivery(duped_fr, updatehistory, 0, &fr->ts);