diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj
index e5d6b74e36..e3930d8188 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj
@@ -41,7 +41,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories=""C:\Program Files\libsng_isdn\include";"C:\Program Files\libsng_isdn\include\sng_isdn";../../include;"C:\Program Files\Sangoma\include""
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;FREETDM_EXPORTS;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;"
 				MinimalRebuild="true"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="3"
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
index 0ed5902153..803e6371d7 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
@@ -1010,7 +1010,7 @@ static FIO_IO_LOAD_FUNCTION(ftdm_sangoma_isdn_io_init)
 	return FTDM_SUCCESS;
 }
 
-ftdm_module_t ftdm_module =
+EX_DECLARE_DATA ftdm_module_t ftdm_module =
 {
 	"sangoma_isdn",	               /* char name[256]; */
 	ftdm_sangoma_isdn_io_init,     /* fio_io_load_t */
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
index 81121af6cd..7db753e420 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
@@ -266,16 +266,16 @@ extern ftdm_sngisdn_data_t	g_sngisdn_data;
 ftdm_status_t ftmod_isdn_parse_cfg(ftdm_conf_parameter_t *ftdm_parameters, ftdm_span_t *span);
 
 /* Support functions */
-uint32_t get_unique_suInstId(uint8_t cc_id);
+FT_DECLARE_INLINE(uint32_t) get_unique_suInstId(uint8_t cc_id);
 FT_DECLARE_INLINE(void) clear_call_data(sngisdn_chan_data_t *sngisdn_info);
 FT_DECLARE_INLINE(void) clear_call_glare_data(sngisdn_chan_data_t *sngisdn_info);
 
 
 void stack_hdr_init(Header *hdr);
 void stack_pst_init(Pst *pst);
-ftdm_status_t get_ftdmchan_by_spInstId(uint8_t cc_id, uint32_t spInstId, sngisdn_chan_data_t **sngisdn_data);
-ftdm_status_t get_ftdmchan_by_suInstId(uint8_t cc_id, uint32_t suInstId, sngisdn_chan_data_t **sngisdn_data);
-ftdm_status_t sng_isdn_set_avail_rate(ftdm_span_t *ftdmspan, sngisdn_avail_t avail);
+FT_DECLARE_INLINE(ftdm_status_t) get_ftdmchan_by_spInstId(uint8_t cc_id, uint32_t spInstId, sngisdn_chan_data_t **sngisdn_data);
+FT_DECLARE_INLINE(ftdm_status_t) get_ftdmchan_by_suInstId(uint8_t cc_id, uint32_t suInstId, sngisdn_chan_data_t **sngisdn_data);
+FT_DECLARE_INLINE(ftdm_status_t) sng_isdn_set_avail_rate(ftdm_span_t *ftdmspan, sngisdn_avail_t avail);
 
 /* Outbound Call Control functions */
 void sngisdn_snd_setup(ftdm_channel_t *ftdmchan);