Merge "res_pjsip_session: Release media resources on session end quicker." into 14

res/res_pjsip_session.c

@@ -2554,6 +2554,11 @@ static int session_end(void *vsession)
 			iter->session_end(session);
 		}
 	}
+
+	/* Release any media resources. */
+	ao2_cleanup(session->media);
+	session->media = NULL;
+
 	return 0;
 }