diff --git a/bsc-nat/BSC_MS_ConnectionHandler.ttcn b/bsc-nat/BSC_MS_ConnectionHandler.ttcn
index 1a3f951..8aea74a 100644
--- a/bsc-nat/BSC_MS_ConnectionHandler.ttcn
+++ b/bsc-nat/BSC_MS_ConnectionHandler.ttcn
@@ -24,6 +24,7 @@
 import from MGCP_Types all;
 import from MGCP_Templates all;
 import from SDP_Types all;
+import from SDP_Templates all;
 
 type function void_fn_bsc_ms(charstring id) runs on BSC_MS_ConnHdlr;
 
diff --git a/bsc-nat/gen_links.sh b/bsc-nat/gen_links.sh
index 9bd1faf..395f50e 100755
--- a/bsc-nat/gen_links.sh
+++ b/bsc-nat/gen_links.sh
@@ -52,7 +52,7 @@
 gen_links $DIR $FILES
 
 DIR=../library
-FILES="Misc_Helpers.ttcn General_Types.ttcn Osmocom_Types.ttcn GSM_Types.ttcn IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc IPA_Emulation.ttcnpp L3_Templates.ttcn RLCMAC_CSN1_Templates.ttcn RLCMAC_CSN1_Types.ttcn BSSMAP_Templates.ttcn RAN_Emulation.ttcnpp MGCP_Types.ttcn MGCP_Templates.ttcn MGCP_CodecPort.ttcn MGCP_CodecPort_CtrlFunct.ttcn MGCP_CodecPort_CtrlFunctDef.cc Osmocom_CTRL_Types.ttcn Osmocom_VTY_Functions.ttcn Osmocom_CTRL_Functions.ttcn Osmocom_CTRL_Adapter.ttcn BSSAP_CodecPort.ttcn Native_Functions.ttcn Native_FunctionDefs.cc"
+FILES="Misc_Helpers.ttcn General_Types.ttcn Osmocom_Types.ttcn GSM_Types.ttcn IPA_Types.ttcn IPA_CodecPort.ttcn IPA_CodecPort_CtrlFunct.ttcn IPA_CodecPort_CtrlFunctDef.cc IPA_Emulation.ttcnpp L3_Templates.ttcn RLCMAC_CSN1_Templates.ttcn RLCMAC_CSN1_Types.ttcn BSSMAP_Templates.ttcn RAN_Emulation.ttcnpp SDP_Templates.ttcn MGCP_Types.ttcn MGCP_Templates.ttcn MGCP_CodecPort.ttcn MGCP_CodecPort_CtrlFunct.ttcn MGCP_CodecPort_CtrlFunctDef.cc Osmocom_CTRL_Types.ttcn Osmocom_VTY_Functions.ttcn Osmocom_CTRL_Functions.ttcn Osmocom_CTRL_Adapter.ttcn BSSAP_CodecPort.ttcn Native_Functions.ttcn Native_FunctionDefs.cc"
 gen_links $DIR $FILES
 
 ignore_pp_results