diff --git a/openbsc/include/openbsc/gsm_data_shared.h b/openbsc/include/openbsc/gsm_data_shared.h
index b49a539..3bf05e4 100644
--- a/openbsc/include/openbsc/gsm_data_shared.h
+++ b/openbsc/include/openbsc/gsm_data_shared.h
@@ -144,6 +144,12 @@
 	uint8_t inv_rssi;
 };
 
+struct bts_codec_conf {
+	uint8_t hr;
+	uint8_t efr;
+	uint8_t amr;
+};
+
 struct amr_mode {
 	uint8_t mode;
 	uint8_t threshold;
@@ -707,6 +713,9 @@
 
 	/* exclude the BTS from the global RF Lock handling */
 	int excl_from_rf_lock;
+
+	/* supported codecs beside FR */
+	struct bts_codec_conf codec;
 #endif /* ROLE_BSC */
 	void *role;
 };
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index 7fa5ea7..b27184b 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -631,6 +631,15 @@
 		}
 	}
 
+	vty_out(vty, "  codec-support fr");
+	if (bts->codec.hr)
+		vty_out(vty, " hr");
+	if (bts->codec.efr)
+		vty_out(vty, " efr");
+	if (bts->codec.amr)
+		vty_out(vty, " amr");
+	vty_out(vty, "%s", VTY_NEWLINE);
+
 	config_write_bts_gprs(vty, bts);
 
 	if (bts->excl_from_rf_lock)
@@ -2658,6 +2667,73 @@
 	return CMD_SUCCESS;
 }
 
+static void _get_codec_from_arg(struct vty *vty, int argc, const char *argv[])
+{
+	struct gsm_bts *bts = vty->index;
+	struct bts_codec_conf *codec = &bts->codec;
+	int i;
+
+	codec->hr = 0;
+	codec->efr = 0;
+	codec->amr = 0;
+	for (i = 0; i < argc; i++) {
+		if (!strcmp(argv[i], "hr"))
+			codec->hr = 1;
+		if (!strcmp(argv[i], "efr"))
+			codec->efr = 1;
+		if (!strcmp(argv[i], "amr"))
+			codec->amr = 1;
+	}
+}
+
+#define CODEC_PAR_STR	" (hr|efr|amr)"
+#define CODEC_HELP_STR	"Half Rate\n" \
+			"Enhanced Full Rate\nAdaptive Multirate\n"
+
+DEFUN(cfg_bts_codec0, cfg_bts_codec0_cmd,
+	"codec-support fr",
+	"Codec Support settings\nFullrate\n")
+{
+	_get_codec_from_arg(vty, 0, argv);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_codec1, cfg_bts_codec1_cmd,
+	"codec-support fr" CODEC_PAR_STR,
+	"Codec Support settings\nFullrate\n"
+	CODEC_HELP_STR)
+{
+	_get_codec_from_arg(vty, 1, argv);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_codec2, cfg_bts_codec2_cmd,
+	"codec-support fr" CODEC_PAR_STR CODEC_PAR_STR,
+	"Codec Support settings\nFullrate\n"
+	CODEC_HELP_STR CODEC_HELP_STR)
+{
+	_get_codec_from_arg(vty, 2, argv);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_codec3, cfg_bts_codec3_cmd,
+	"codec-support fr" CODEC_PAR_STR CODEC_PAR_STR CODEC_PAR_STR,
+	"Codec Support settings\nFullrate\n"
+	CODEC_HELP_STR CODEC_HELP_STR CODEC_HELP_STR)
+{
+	_get_codec_from_arg(vty, 3, argv);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_bts_codec4, cfg_bts_codec4_cmd,
+	"codec-support fr" CODEC_PAR_STR CODEC_PAR_STR CODEC_PAR_STR CODEC_PAR_STR,
+	"Codec Support settings\nFullrate\n"
+	CODEC_HELP_STR CODEC_HELP_STR CODEC_HELP_STR CODEC_HELP_STR)
+{
+	_get_codec_from_arg(vty, 4, argv);
+	return CMD_SUCCESS;
+}
+
 #define TRX_TEXT "Radio Transceiver\n"
 
 /* per TRX configuration */
@@ -3255,6 +3331,11 @@
 	install_element(BTS_NODE, &cfg_bts_si5_neigh_cmd);
 	install_element(BTS_NODE, &cfg_bts_excl_rf_lock_cmd);
 	install_element(BTS_NODE, &cfg_bts_no_excl_rf_lock_cmd);
+	install_element(BTS_NODE, &cfg_bts_codec0_cmd);
+	install_element(BTS_NODE, &cfg_bts_codec1_cmd);
+	install_element(BTS_NODE, &cfg_bts_codec2_cmd);
+	install_element(BTS_NODE, &cfg_bts_codec3_cmd);
+	install_element(BTS_NODE, &cfg_bts_codec4_cmd);
 
 	install_element(BTS_NODE, &cfg_trx_cmd);
 	install_node(&trx_node, dummy_config_write);
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)) {
diff --git a/openbsc/src/libmsc/mncc_builtin.c b/openbsc/src/libmsc/mncc_builtin.c
index 617cbf2..be35454 100644
--- a/openbsc/src/libmsc/mncc_builtin.c
+++ b/openbsc/src/libmsc/mncc_builtin.c
@@ -43,7 +43,7 @@
 static uint32_t new_callref = 0x00000001;
 
 struct mncc_int mncc_int = {
-	.def_codec = { GSM48_CMODE_SPEECH_EFR, GSM48_CMODE_SPEECH_V1 },
+	.def_codec = { GSM48_CMODE_SPEECH_V1, GSM48_CMODE_SPEECH_V1 },
 };
 
 static void free_call(struct gsm_call *call)