diff --git a/src/tbf.cpp b/src/tbf.cpp
index cb5d9f3..5597ba4 100644
--- a/src/tbf.cpp
+++ b/src/tbf.cpp
@@ -950,3 +950,8 @@
 
 	return buf;
 }
+
+int tbf_establish_dl_tbf_on_pacch(struct gprs_rlcmac_tbf *tbf)
+{
+	return tbf->establish_dl_tbf_on_pacch();
+}