diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index ebfa42e..21f8e15 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -121,6 +121,10 @@
 gsm0503_cs2_np;
 gsm0503_cs3_np;
 gsm0503_tch_fr;
+gsm0503_tch_f24;
+gsm0503_tch_f48;
+gsm0503_tch_f96;
+gsm0503_tch_f144;
 gsm0503_tch_hr;
 gsm0503_tch_afs_12_2;
 gsm0503_tch_afs_10_2;