diff --git a/src/libosmo-mgcp/mgcp_protocol.c b/src/libosmo-mgcp/mgcp_protocol.c
index b7ae748..ef82cfd 100644
--- a/src/libosmo-mgcp/mgcp_protocol.c
+++ b/src/libosmo-mgcp/mgcp_protocol.c
@@ -851,7 +851,7 @@
 
 	/* parse CallID C: and LocalParameters L: */
 	for_each_line(line, pdata->save) {
-		if (!mgcp_check_param(endp, line))
+		if (!mgcp_check_param(endp, trunk, line))
 			continue;
 
 		switch (toupper(line[0])) {
@@ -1143,7 +1143,7 @@
 	}
 
 	for_each_line(line, pdata->save) {
-		if (!mgcp_check_param(endp, line))
+		if (!mgcp_check_param(endp, trunk, line))
 			continue;
 
 		switch (toupper(line[0])) {
@@ -1388,7 +1388,7 @@
 	}
 
 	for_each_line(line, pdata->save) {
-		if (!mgcp_check_param(endp, line))
+		if (!mgcp_check_param(endp, trunk, line))
 			continue;
 
 		switch (toupper(line[0])) {