diff --git a/src/e1_config.c b/src/e1_config.c
index a52b037..4110d48 100644
--- a/src/e1_config.c
+++ b/src/e1_config.c
@@ -29,7 +29,7 @@
 	/* create E1 timeslots for signalling and TRAU frames */
 	e1inp_ts_config(&line->ts[1-1], line, E1INP_TS_TYPE_SIGN);
 	e1inp_ts_config(&line->ts[2-1], line, E1INP_TS_TYPE_TRAU);
-	//e1inp_ts_config(&line->ts[3-1], line, E1INP_TS_TYPE_TRAU);
+	e1inp_ts_config(&line->ts[3-1], line, E1INP_TS_TYPE_TRAU);
 
 	/* create signalling links for TS1 */
 	sign_ts = &line->ts[1-1];
@@ -47,13 +47,11 @@
 	subch_demux_activate(&line->ts[2-1].trau.demux, 2);
 	subch_demux_activate(&line->ts[2-1].trau.demux, 3);
 
-#if 0
 	/* enable subchannel demuxer on TS3 */
 	subch_demux_activate(&line->ts[3-1].trau.demux, 0);
 	subch_demux_activate(&line->ts[3-1].trau.demux, 1);
 	subch_demux_activate(&line->ts[3-1].trau.demux, 2);
 	subch_demux_activate(&line->ts[3-1].trau.demux, 3);
-#endif
 
 #ifdef HAVE_TRX1
 	/* create E1 timeslots for TRAU frames of TRX1 */