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-rw-r--r--include/osmo-bts/gsm_data.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/osmo-bts/gsm_data.h b/include/osmo-bts/gsm_data.h
index f1c96012..a2bb6416 100644
--- a/include/osmo-bts/gsm_data.h
+++ b/include/osmo-bts/gsm_data.h
@@ -8,6 +8,9 @@
#include <osmo-bts/paging.h>
#include <osmo-bts/tx_power.h>
+/* lchans 0..3 are SDCCH in combined channel configuration: */
+#define CCCH_LCHAN 4
+
#define GSM_FR_BITS 260
#define GSM_EFR_BITS 244