diff --git a/openbsc/src/silent_call.c b/openbsc/src/silent_call.c
index 29ade00..2eb37ba 100644
--- a/openbsc/src/silent_call.c
+++ b/openbsc/src/silent_call.c
@@ -60,6 +60,7 @@
 		dispatch_signal(SS_SCALL, S_SCALL_SUCCESS, &sigdata);
 		break;
 	case GSM_PAGING_EXPIRED:
+	case GSM_PAGING_BUSY:
 		DEBUGP(DSMS, "expired\n");
 		dispatch_signal(SS_SCALL, S_SCALL_EXPIRED, &sigdata);
 		break;