diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index eebe6ab..717c81b 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -3,14 +3,6 @@
 
 #include <sys/types.h>
 
-struct value_string {
-	unsigned int value;
-	const char *str;
-};
-
-const char *get_value_string(const struct value_string *vs, u_int32_t val);
-int get_string_value(const struct value_string *vs, const char *str);
-
 enum gsm_phys_chan_config {
 	GSM_PCHAN_NONE,
 	GSM_PCHAN_CCCH,
diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index aebd02c..15fe488 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -40,94 +40,13 @@
 #include <openbsc/signal.h>
 #include <openbsc/meas_rep.h>
 #include <openbsc/rtp_proxy.h>
+#include <osmocore/rsl.h>
 
 #define RSL_ALLOC_SIZE		1024
 #define RSL_ALLOC_HEADROOM	128
 
 #define MAX(a, b) (a) >= (b) ? (a) : (b)
 
-static const struct tlv_definition rsl_att_tlvdef = {
-	.def = {
-		[RSL_IE_CHAN_NR]		= { TLV_TYPE_TV },
-		[RSL_IE_LINK_IDENT]		= { TLV_TYPE_TV },
-		[RSL_IE_ACT_TYPE]		= { TLV_TYPE_TV },
-		[RSL_IE_BS_POWER]		= { TLV_TYPE_TV },
-		[RSL_IE_CHAN_IDENT]		= { TLV_TYPE_TLV },
-		[RSL_IE_CHAN_MODE]		= { TLV_TYPE_TLV },
-		[RSL_IE_ENCR_INFO]		= { TLV_TYPE_TLV },
-		[RSL_IE_FRAME_NUMBER]		= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_HANDO_REF]		= { TLV_TYPE_TV },
-		[RSL_IE_L1_INFO]		= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_L3_INFO]		= { TLV_TYPE_TL16V },
-		[RSL_IE_MS_IDENTITY]		= { TLV_TYPE_TLV },
-		[RSL_IE_MS_POWER]		= { TLV_TYPE_TV },
-		[RSL_IE_PAGING_GROUP]		= { TLV_TYPE_TV },
-		[RSL_IE_PAGING_LOAD]		= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_PYHS_CONTEXT]		= { TLV_TYPE_TLV },
-		[RSL_IE_ACCESS_DELAY]		= { TLV_TYPE_TV },
-		[RSL_IE_RACH_LOAD]		= { TLV_TYPE_TLV },
-		[RSL_IE_REQ_REFERENCE]		= { TLV_TYPE_FIXED, 3 },
-		[RSL_IE_RELEASE_MODE]		= { TLV_TYPE_TV },
-		[RSL_IE_RESOURCE_INFO]		= { TLV_TYPE_TLV },
-		[RSL_IE_RLM_CAUSE]		= { TLV_TYPE_TLV },
-		[RSL_IE_STARTNG_TIME]		= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_TIMING_ADVANCE]		= { TLV_TYPE_TV },
-		[RSL_IE_UPLINK_MEAS]		= { TLV_TYPE_TLV },
-		[RSL_IE_CAUSE]			= { TLV_TYPE_TLV },
-		[RSL_IE_MEAS_RES_NR]		= { TLV_TYPE_TV },
-		[RSL_IE_MSG_ID]			= { TLV_TYPE_TV },
-		[RSL_IE_SYSINFO_TYPE]		= { TLV_TYPE_TV },
-		[RSL_IE_MS_POWER_PARAM]		= { TLV_TYPE_TLV },
-		[RSL_IE_BS_POWER_PARAM]		= { TLV_TYPE_TLV },
-		[RSL_IE_PREPROC_PARAM]		= { TLV_TYPE_TLV },
-		[RSL_IE_PREPROC_MEAS]		= { TLV_TYPE_TLV },
-		[RSL_IE_IMM_ASS_INFO]		= { TLV_TYPE_TLV },
-		[RSL_IE_SMSCB_INFO]		= { TLV_TYPE_FIXED, 23 },
-		[RSL_IE_MS_TIMING_OFFSET]	= { TLV_TYPE_TV },
-		[RSL_IE_ERR_MSG]		= { TLV_TYPE_TLV },
-		[RSL_IE_FULL_BCCH_INFO]		= { TLV_TYPE_TLV },
-		[RSL_IE_CHAN_NEEDED]		= { TLV_TYPE_TV },
-		[RSL_IE_CB_CMD_TYPE]		= { TLV_TYPE_TV },
-		[RSL_IE_SMSCB_MSG]		= { TLV_TYPE_TLV },
-		[RSL_IE_FULL_IMM_ASS_INFO]	= { TLV_TYPE_TLV },
-		[RSL_IE_SACCH_INFO]		= { TLV_TYPE_TLV },
-		[RSL_IE_CBCH_LOAD_INFO]		= { TLV_TYPE_TV },
-		[RSL_IE_SMSCB_CHAN_INDICATOR]	= { TLV_TYPE_TV },
-		[RSL_IE_GROUP_CALL_REF]		= { TLV_TYPE_TLV },
-		[RSL_IE_CHAN_DESC]		= { TLV_TYPE_TLV },
-		[RSL_IE_NCH_DRX_INFO]		= { TLV_TYPE_TLV },
-		[RSL_IE_CMD_INDICATOR]		= { TLV_TYPE_TLV },
-		[RSL_IE_EMLPP_PRIO]		= { TLV_TYPE_TV },
-		[RSL_IE_UIC]			= { TLV_TYPE_TLV },
-		[RSL_IE_MAIN_CHAN_REF]		= { TLV_TYPE_TV },
-		[RSL_IE_MR_CONFIG]		= { TLV_TYPE_TLV },
-		[RSL_IE_MR_CONTROL]		= { TLV_TYPE_TV },
-		[RSL_IE_SUP_CODEC_TYPES]	= { TLV_TYPE_TLV },
-		[RSL_IE_CODEC_CONFIG]		= { TLV_TYPE_TLV },
-		[RSL_IE_RTD]			= { TLV_TYPE_TV },
-		[RSL_IE_TFO_STATUS]		= { TLV_TYPE_TV },
-		[RSL_IE_LLP_APDU]		= { TLV_TYPE_TLV },
-		[RSL_IE_SIEMENS_MRPCI]		= { TLV_TYPE_TV },
-		[RSL_IE_IPAC_PROXY_UDP]		= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_IPAC_BSCMPL_TOUT]	= { TLV_TYPE_TV },
-		[RSL_IE_IPAC_REMOTE_IP]		= { TLV_TYPE_FIXED, 4 },
-		[RSL_IE_IPAC_REMOTE_PORT]	= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_IPAC_RTP_PAYLOAD]	= { TLV_TYPE_TV },
-		[RSL_IE_IPAC_LOCAL_PORT]	= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_IPAC_SPEECH_MODE]	= { TLV_TYPE_TV },
-		[RSL_IE_IPAC_LOCAL_IP]		= { TLV_TYPE_FIXED, 4 },
-		[RSL_IE_IPAC_CONN_ID]		= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_IPAC_RTP_CSD_FMT]	= { TLV_TYPE_TV },
-		[RSL_IE_IPAC_RTP_JIT_BUF]	= { TLV_TYPE_FIXED, 2 },
-		[RSL_IE_IPAC_RTP_COMPR]		= { TLV_TYPE_TV },
-		[RSL_IE_IPAC_RTP_PAYLOAD2]	= { TLV_TYPE_TV },
-		[RSL_IE_IPAC_RTP_MPLEX]		= { TLV_TYPE_FIXED, 8 },
-		[RSL_IE_IPAC_RTP_MPLEX_ID]	= { TLV_TYPE_TV },
-	},
-};
-#define rsl_tlv_parse(dec, buf, len)     \
-			tlv_parse(dec, &rsl_att_tlvdef, buf, len, 0, 0)
-
 static u_int8_t mdisc_by_msgtype(u_int8_t msg_type)
 {
 	/* mask off the transparent bit ? */
@@ -155,44 +74,6 @@
 	dh->ie_chan = RSL_IE_CHAN_NR;
 }
 
-static inline void init_llm_hdr(struct abis_rsl_rll_hdr *dh,
-				  u_int8_t msg_type)
-{
-	/* dh->c.msg_discr = mdisc_by_msgtype(msg_type); */
-	dh->c.msg_discr = ABIS_RSL_MDISC_RLL;
-	dh->c.msg_type = msg_type;
-	dh->ie_chan = RSL_IE_CHAN_NR;
-	dh->ie_link_id = RSL_IE_LINK_IDENT;
-}
-
-
-/* encode channel number as per Section 9.3.1 */
-u_int8_t rsl_enc_chan_nr(u_int8_t type, u_int8_t subch, u_int8_t timeslot)
-{
-	u_int8_t ret;
-
-	ret = (timeslot & 0x07) | type;
-	
-	switch (type) {
-	case RSL_CHAN_Lm_ACCHs:
-		subch &= 0x01;
-		break;
-	case RSL_CHAN_SDCCH4_ACCH:
-		subch &= 0x07;
-		break;
-	case RSL_CHAN_SDCCH8_ACCH:
-		subch &= 0x07;
-		break;
-	default:
-		/* no subchannels allowed */
-		subch = 0x00;
-		break;
-	}
-	ret |= (subch << 3);
-
-	return ret;
-}
-
 /* determine logical channel based on TRX and channel number IE */
 struct gsm_lchan *lchan_lookup(struct gsm_bts_trx *trx, u_int8_t chan_nr)
 {
@@ -335,67 +216,6 @@
 	return lchan->encr.key_len + 1;
 }
 
-
-static const char *rsl_err_vals[0xff] = {
-	[RSL_ERR_RADIO_IF_FAIL] =	"Radio Interface Failure",
-	[RSL_ERR_RADIO_LINK_FAIL] =	"Radio Link Failure",
-	[RSL_ERR_HANDOVER_ACC_FAIL] =	"Handover Access Failure",
-	[RSL_ERR_TALKER_ACC_FAIL] =	"Talker Access Failure",
-	[RSL_ERR_OM_INTERVENTION] =	"O&M Intervention",
-	[RSL_ERR_NORMAL_UNSPEC] =	"Normal event, unspecified",
-	[RSL_ERR_T_MSRFPCI_EXP] =	"Siemens: T_MSRFPCI Expired",
-	[RSL_ERR_EQUIPMENT_FAIL] =	"Equipment Failure",
-	[RSL_ERR_RR_UNAVAIL] =		"Radio Resource not available",
-	[RSL_ERR_TERR_CH_FAIL] =	"Terrestrial Channel Failure",
-	[RSL_ERR_CCCH_OVERLOAD] =	"CCCH Overload",
-	[RSL_ERR_ACCH_OVERLOAD] =	"ACCH Overload",
-	[RSL_ERR_PROCESSOR_OVERLOAD] =	"Processor Overload",
-	[RSL_ERR_RES_UNAVAIL] =		"Resource not available, unspecified",
-	[RSL_ERR_TRANSC_UNAVAIL] =	"Transcoding not available",
-	[RSL_ERR_SERV_OPT_UNAVAIL] =	"Service or Option not available",
-	[RSL_ERR_ENCR_UNIMPL] =		"Encryption algorithm not implemented",
-	[RSL_ERR_SERV_OPT_UNIMPL] =	"Service or Option not implemented",
-	[RSL_ERR_RCH_ALR_ACTV_ALLOC] =	"Radio channel already activated",
-	[RSL_ERR_INVALID_MESSAGE] =	"Invalid Message, unspecified",
-	[RSL_ERR_MSG_DISCR] =		"Message Discriminator Error",
-	[RSL_ERR_MSG_TYPE] =		"Message Type Error",
-	[RSL_ERR_MSG_SEQ] =		"Message Sequence Error",
-	[RSL_ERR_IE_ERROR] =		"General IE error",
-	[RSL_ERR_MAND_IE_ERROR] =	"Mandatory IE error",
-	[RSL_ERR_OPT_IE_ERROR] =	"Optional IE error",
-	[RSL_ERR_IE_NONEXIST] =		"IE non-existent",
-	[RSL_ERR_IE_LENGTH] =		"IE length error",
-	[RSL_ERR_IE_CONTENT] =		"IE content error",
-	[RSL_ERR_PROTO] =		"Protocol error, unspecified",
-	[RSL_ERR_INTERWORKING] =	"Interworking error, unspecified",
-};
-
-static const struct value_string rlm_cause_strs[] = {
-	{ RLL_CAUSE_T200_EXPIRED,	"Timer T200 expired (N200+1) times" },
-	{ RLL_CAUSE_REEST_REQ,		"Re-establishment request" },
-	{ RLL_CAUSE_UNSOL_UA_RESP,	"Unsolicited UA response" },
-	{ RLL_CAUSE_UNSOL_DM_RESP,	"Unsolicited DM response" },
-	{ RLL_CAUSE_UNSOL_DM_RESP_MF,	"Unsolicited DM response, multiple frame" },
-	{ RLL_CAUSE_UNSOL_SPRV_RESP,	"Unsolicited supervisory response" },
-	{ RLL_CAUSE_SEQ_ERR,		"Sequence Error" },
-	{ RLL_CAUSE_UFRM_INC_PARAM,	"U-Frame with incorrect parameters" },
-	{ RLL_CAUSE_SFRM_INC_PARAM,	"S-Frame with incorrect parameters" },
-	{ RLL_CAUSE_IFRM_INC_MBITS,	"I-Frame with incorrect use of M bit" },
-	{ RLL_CAUSE_IFRM_INC_LEN,	"I-Frame with incorrect length" },
-	{ RLL_CAUSE_FRM_UNIMPL,		"Fraeme not implemented" },
-	{ RLL_CAUSE_SABM_MF,		"SABM command, multiple frame established state" },
-	{ RLL_CAUSE_SABM_INFO_NOTALL,	"SABM frame with information not allowed in this state" },
-	{ 0,				NULL },
-};
-
-static const char *rsl_err_name(u_int8_t err)
-{
-	if (rsl_err_vals[err])
-		return rsl_err_vals[err];
-	else
-		return "unknown";
-}
-
 static void print_rsl_cause(int lvl, const u_int8_t *cause_v, u_int8_t cause_len)
 {
 	int i;
@@ -880,7 +700,7 @@
 
 	/* Then push the RSL header */
 	rh = (struct abis_rsl_rll_hdr *) msgb_push(msg, sizeof(*rh));
-	init_llm_hdr(rh, RSL_MT_DATA_REQ);
+	rsl_init_rll_hdr(rh, RSL_MT_DATA_REQ);
 	rh->c.msg_discr |= ABIS_RSL_MDISC_TRANSP;
 	rh->chan_nr = lchan2chan_nr(msg->lchan);
 	rh->link_id = link_id;
@@ -898,7 +718,7 @@
 	struct abis_rsl_rll_hdr *rh;
 
 	rh = (struct abis_rsl_rll_hdr *) msgb_put(msg, sizeof(*rh));
-	init_llm_hdr(rh, RSL_MT_EST_REQ);
+	rsl_init_rll_hdr(rh, RSL_MT_EST_REQ);
 	//rh->c.msg_discr |= ABIS_RSL_MDISC_TRANSP;
 	rh->chan_nr = lchan2chan_nr(lchan);
 	rh->link_id = link_id;
@@ -919,7 +739,7 @@
 	struct abis_rsl_rll_hdr *rh;
 
 	rh = (struct abis_rsl_rll_hdr *) msgb_put(msg, sizeof(*rh));
-	init_llm_hdr(rh, RSL_MT_REL_REQ);
+	rsl_init_rll_hdr(rh, RSL_MT_REL_REQ);
 	//rh->c.msg_discr |= ABIS_RSL_MDISC_TRANSP;
 	rh->chan_nr = lchan2chan_nr(lchan);
 	rh->link_id = link_id;
@@ -1432,7 +1252,7 @@
 
 	LOGP(DRLL, LOGL_ERROR, "%s ERROR INDICATION cause=%s\n",
 		gsm_lchan_name(msg->lchan),
-		get_value_string(rlm_cause_strs, rlm_cause[1]));
+		get_value_string(rsl_rlm_cause_strs, rlm_cause[1]));
 
 	rll_indication(msg->lchan, rllh->link_id, BSC_RLLR_IND_ERR_IND);
 
@@ -1873,45 +1693,6 @@
 	return rc;
 }
 
-
-/* Section 3.3.2.3 TS 05.02. I think this looks like a table */
-int rsl_ccch_conf_to_bs_cc_chans(int ccch_conf)
-{
-	switch (ccch_conf) {
-	case RSL_BCCH_CCCH_CONF_1_NC:
-		return 1;
-	case RSL_BCCH_CCCH_CONF_1_C:
-		return 1;
-	case RSL_BCCH_CCCH_CONF_2_NC:
-		return 2;
-	case RSL_BCCH_CCCH_CONF_3_NC:
-		return 3;
-	case RSL_BCCH_CCCH_CONF_4_NC:
-		return 4;
-	default:
-		return -1;
-	}
-}
-
-/* Section 3.3.2.3 TS 05.02 */
-int rsl_ccch_conf_to_bs_ccch_sdcch_comb(int ccch_conf)
-{
-	switch (ccch_conf) {
-	case RSL_BCCH_CCCH_CONF_1_NC:
-		return 0;
-	case RSL_BCCH_CCCH_CONF_1_C:
-		return 1;
-	case RSL_BCCH_CCCH_CONF_2_NC:
-		return 0;
-	case RSL_BCCH_CCCH_CONF_3_NC:
-		return 0;
-	case RSL_BCCH_CCCH_CONF_4_NC:
-		return 0;
-	default:
-		return -1;
-	}
-}
-
 /* From Table 10.5.33 of GSM 04.08 */
 int rsl_number_of_paging_subchannels(struct gsm_bts *bts)
 {
diff --git a/openbsc/src/debug.c b/openbsc/src/debug.c
index 7488cd6..6d67ac1 100644
--- a/openbsc/src/debug.c
+++ b/openbsc/src/debug.c
@@ -29,6 +29,7 @@
 
 #include <openbsc/debug.h>
 #include <osmocore/talloc.h>
+#include <osmocore/utils.h>
 #include <openbsc/gsm_data.h>
 #include <openbsc/gsm_subscriber.h>
 
@@ -56,32 +57,6 @@
     [DREF]	= { .enabled = 0, .loglevel = LOGL_NOTICE },
 };
 
-const char *get_value_string(const struct value_string *vs, u_int32_t val)
-{
-	int i;
-
-	for (i = 0;; i++) {
-		if (vs[i].value == 0 && vs[i].str == NULL)
-			break;
-		if (vs[i].value == val)
-			return vs[i].str;
-	}
-	return "unknown";
-}
-
-int get_string_value(const struct value_string *vs, const char *str)
-{
-	int i;
-
-	for (i = 0;; i++) {
-		if (vs[i].value == 0 && vs[i].str == NULL)
-			break;
-		if (!strcasecmp(vs[i].str, str))
-			return vs[i].value;
-	}
-	return -EINVAL;
-}
-
 struct debug_info {
 	const char *name;
 	const char *color;