diff --git a/include/osmocom/msc/msc_a.h b/include/osmocom/msc/msc_a.h
index bb7b8f9..5256744 100644
--- a/include/osmocom/msc/msc_a.h
+++ b/include/osmocom/msc/msc_a.h
@@ -40,9 +40,13 @@
 
 #define MSC_A_USE_LOCATION_UPDATING	"lu"
 #define MSC_A_USE_CM_SERVICE_CC	"cm_service_cc"
+#define MSC_A_USE_CM_SERVICE_GCC	"cm_service_gcc"
+#define MSC_A_USE_CM_SERVICE_BCC	"cm_service_bcc"
 #define MSC_A_USE_CM_SERVICE_SMS	"cm_service_sms"
 #define MSC_A_USE_CM_SERVICE_SS	"cm_service_ss"
 #define MSC_A_USE_PAGING_RESPONSE	"paging-response"
+#define MSC_A_USE_GCC		"gcc"
+#define MSC_A_USE_BCC		"bcc"
 #define MSC_A_USE_CC		"cc"
 #define MSC_A_USE_SMS		"sms"
 #define MSC_A_USE_SMS_MMTS	"sms_mmts"