From 666ec1d7619288df7f91868a8aebdafe9220a020 Mon Sep 17 00:00:00 2001
From: Andreas Eversberg <jolly@eversberg.eu>
Date: Fri, 8 Sep 2023 09:57:40 +0200
Subject: ASCI: Add GCC/BCC layer to support voice group/broadcast calls

Related: OS#5364
Change-Id: I22eacd018f18c18ba83dbd3dd874cf029344674d
---
 src/host/layer23/src/mobile/gsm480_ss.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/host/layer23/src/mobile/gsm480_ss.c')

diff --git a/src/host/layer23/src/mobile/gsm480_ss.c b/src/host/layer23/src/mobile/gsm480_ss.c
index bf996674..4ed83545 100644
--- a/src/host/layer23/src/mobile/gsm480_ss.c
+++ b/src/host/layer23/src/mobile/gsm480_ss.c
@@ -28,6 +28,7 @@
 #include <osmocom/bb/mobile/mncc.h>
 #include <osmocom/bb/mobile/transaction.h>
 #include <osmocom/bb/mobile/gsm480_ss.h>
+#include <osmocom/bb/mobile/gsm44068_gcc_bcc.h>
 #include <osmocom/core/talloc.h>
 #include <osmocom/bb/mobile/vty.h>
 #include <osmocom/gsm/protocol/gsm_04_80.h>
@@ -599,6 +600,12 @@ int ss_send(struct osmocom_ms *ms, const char *code, int new_trans)
 		return -EIO;
 	}
 
+	/* ASCI call does not allow other transactions */
+	if (trans_find_ongoing_gcc_bcc(ms)) {
+		gsm480_ss_result(ms, "<ongoing ASCI call>", 0);
+		return -EBUSY;
+	}
+
 	/* allocate transaction with dummy reference */
 	transaction_id = trans_assign_trans_id(ms, GSM48_PDISC_NC_SS,
 		0);
-- 
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