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-rw-r--r--src/libmsc/gsm_04_11_gsup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libmsc/gsm_04_11_gsup.c b/src/libmsc/gsm_04_11_gsup.c
index 1751655d1..a24c617e7 100644
--- a/src/libmsc/gsm_04_11_gsup.c
+++ b/src/libmsc/gsm_04_11_gsup.c
@@ -282,9 +282,9 @@ int gsm411_gsup_rx(struct gsup_client_mux *gcm, void *data, const struct osmo_gs
/* Make sure that 'SMS over GSUP' is expected */
if (!net->sms_over_gsup) {
- /* TODO: notify sender about that? */
LOGP(DLSMS, LOGL_NOTICE, "Unexpected MO/MT SMS over GSUP "
"(sms-over-gsup is not enabled), ignoring message...\n");
+ gsup_client_mux_tx_error_reply(gcm, gsup_msg, GMM_CAUSE_GPRS_NOTALLOWED);
return -EIO;
}