diff --git a/bsc/osmo-bsc.cfg b/bsc/osmo-bsc.cfg
index f5c9c16..63a82b0 100644
--- a/bsc/osmo-bsc.cfg
+++ b/bsc/osmo-bsc.cfg
@@ -95,6 +95,18 @@
   si5 neighbor-list add arfcn 10
   si5 neighbor-list add arfcn 20
   codec-support fr hr efr amr
+  amr tch-f modes 0 2 4 7
+  amr tch-f threshold ms 32 32 32
+  amr tch-f hysteresis ms 8 8 8
+  amr tch-f threshold bts 32 32 32
+  amr tch-f hysteresis bts 8 8 8
+  amr tch-f start-mode auto
+  amr tch-h modes 0 2 4
+  amr tch-h threshold ms 32 32
+  amr tch-h hysteresis ms 8 8
+  amr tch-h threshold bts 32 32
+  amr tch-h hysteresis bts 8 8
+  amr tch-h start-mode auto
   gprs mode gprs
   gprs routing area 0
   gprs network-control-order nc0