diff --git a/openbsc/src/libmsc/gsm_04_08.c b/openbsc/src/libmsc/gsm_04_08.c
index 9063f98..54f5f70 100644
--- a/openbsc/src/libmsc/gsm_04_08.c
+++ b/openbsc/src/libmsc/gsm_04_08.c
@@ -79,6 +79,29 @@
 	uint16_t lac;
 };
 
+static int apply_codec_restrictions(struct gsm_bts *bts,
+	struct gsm_mncc_bearer_cap *bcap)
+{
+	int i, j;
+
+	/* remove unsupported speech versions from list */
+	for (i = 0, j = 0; bcap->speech_ver[i] >= 0; i++) {
+		if (bcap->speech_ver[i] == GSM48_BCAP_SV_FR)
+			bcap->speech_ver[j++] = GSM48_BCAP_SV_FR;
+		if (bcap->speech_ver[i] == GSM48_BCAP_SV_EFR && bts->codec.efr)
+			bcap->speech_ver[j++] = GSM48_BCAP_SV_EFR;
+		if (bcap->speech_ver[i] == GSM48_BCAP_SV_AMR_F && bts->codec.amr)
+			bcap->speech_ver[j++] = GSM48_BCAP_SV_AMR_F;
+		if (bcap->speech_ver[i] == GSM48_BCAP_SV_HR && bts->codec.hr)
+			bcap->speech_ver[j++] = GSM48_BCAP_SV_HR;
+		if (bcap->speech_ver[i] == GSM48_BCAP_SV_AMR_H && bts->codec.amr)
+			bcap->speech_ver[j++] = GSM48_BCAP_SV_AMR_H;
+	}
+	bcap->speech_ver[j] = -1;
+
+	return 0;
+}
+
 static uint32_t new_callref = 0x80000001;
 
 void cc_tx_to_mncc(struct gsm_network *net, struct msgb *msg)
@@ -1799,6 +1822,7 @@
 		setup.fields |= MNCC_F_BEARER_CAP;
 		gsm48_decode_bearer_cap(&setup.bearer_cap,
 				  TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
+		apply_codec_restrictions(trans->conn->bts, &setup.bearer_cap);
 	}
 	/* facility */
 	if (TLVP_PRESENT(&tp, GSM48_IE_FACILITY)) {
@@ -1952,6 +1976,7 @@
 		call_conf.fields |= MNCC_F_BEARER_CAP;
 		gsm48_decode_bearer_cap(&call_conf.bearer_cap,
 				  TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
+		apply_codec_restrictions(trans->conn->bts, &call_conf.bearer_cap);
 	}
 	/* cause */
 	if (TLVP_PRESENT(&tp, GSM48_IE_CAUSE)) {
@@ -2640,6 +2665,7 @@
 		modify.fields |= MNCC_F_BEARER_CAP;
 		gsm48_decode_bearer_cap(&modify.bearer_cap,
 				  TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
+		apply_codec_restrictions(trans->conn->bts, &modify.bearer_cap);
 	}
 
 	new_cc_state(trans, GSM_CSTATE_MO_ORIG_MODIFY);
@@ -2682,6 +2708,7 @@
 		modify.fields |= MNCC_F_BEARER_CAP;
 		gsm48_decode_bearer_cap(&modify.bearer_cap,
 				  TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
+		apply_codec_restrictions(trans->conn->bts, &modify.bearer_cap);
 	}
 
 	new_cc_state(trans, GSM_CSTATE_ACTIVE);
@@ -2722,6 +2749,7 @@
 		modify.fields |= GSM48_IE_BEARER_CAP;
 		gsm48_decode_bearer_cap(&modify.bearer_cap,
 				  TLVP_VAL(&tp, GSM48_IE_BEARER_CAP)-1);
+		apply_codec_restrictions(trans->conn->bts, &modify.bearer_cap);
 	}
 	/* cause */
 	if (TLVP_PRESENT(&tp, GSM48_IE_CAUSE)) {