diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index dc8559f..9eff4d3 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -71,8 +71,12 @@
 gsm0502_calc_paging_group;
 
 gsm0503_xcch;
+gsm0503_rach;
+gsm0503_sch;
 gsm0503_cs2;
 gsm0503_cs3;
+gsm0503_tch_fr;
+gsm0503_tch_hr;
 gsm0503_tch_afs_12_2;
 gsm0503_tch_afs_10_2;
 gsm0503_tch_afs_7_95;
@@ -81,6 +85,12 @@
 gsm0503_tch_afs_5_9;
 gsm0503_tch_afs_5_15;
 gsm0503_tch_afs_4_75;
+gsm0503_tch_ahs_7_95;
+gsm0503_tch_ahs_7_4;
+gsm0503_tch_ahs_6_7;
+gsm0503_tch_ahs_5_9;
+gsm0503_tch_ahs_5_15;
+gsm0503_tch_ahs_4_75;
 
 gsm0808_att_tlvdef;
 gsm0808_bssap_name;