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-rw-r--r--openbsc/src/abis_rsl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index d83af4a20..4827dd0e9 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -330,7 +330,10 @@ static int channel_mode_from_lchan(struct rsl_ie_chan_mode *cm,
memset(cm, 0, sizeof(cm));
/* FIXME: what to do with data calls ? */
- cm->dtx_dtu = 0x00;
+ if (lchan->ts->trx->bts->network->dtx_enabled)
+ cm->dtx_dtu = 0x03;
+ else
+ cm->dtx_dtu = 0x00;
/* set TCH Speech/Data */
cm->spd_ind = lchan->rsl_cmode;