diff --git a/src/Makefile b/src/Makefile
index a24d6df..0806d5c 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -9,7 +9,7 @@ all: conv_enc_test crc_test tetra-rx float_to_bits
 libosmo-tetra-phy.a: phy/tetra_burst_sync.o phy/tetra_burst.o
 	$(AR) r $@ $^
 
-libosmo-tetra-mac.a: lower_mac/tetra_conv_enc.o tetra_tdma.o lower_mac/tetra_scramb.o lower_mac/tetra_rm3014.o lower_mac/tetra_interleave.o lower_mac/crc_simple.o tetra_common.o lower_mac/viterbi.o lower_mac/viterbi_cch.o lower_mac/viterbi_tch.o lower_mac/tetra_lower_mac.o tetra_upper_mac.o tetra_mac_pdu.o tetra_mle_pdu.o tetra_mm_pdu.o tetra_cmce_pdu.o tetra_gsmtap.o
+libosmo-tetra-mac.a: lower_mac/tetra_conv_enc.o tetra_tdma.o lower_mac/tetra_scramb.o lower_mac/tetra_rm3014.o lower_mac/tetra_interleave.o lower_mac/crc_simple.o tetra_common.o lower_mac/viterbi.o lower_mac/viterbi_cch.o lower_mac/viterbi_tch.o lower_mac/tetra_lower_mac.o tetra_upper_mac.o tetra_mac_pdu.o tetra_mle_pdu.o tetra_mm_pdu.o tetra_cmce_pdu.o tetra_sndcp_pdu.o tetra_gsmtap.o
 	$(AR) r $@ $^
 
 float_to_bits: float_to_bits.o
diff --git a/src/tetra_sndcp_pdu.c b/src/tetra_sndcp_pdu.c
new file mode 100644
index 0000000..8c6c868
--- /dev/null
+++ b/src/tetra_sndcp_pdu.c
@@ -0,0 +1,48 @@
+/* Implementation of TETRA SNDCP PDU parsing */
+
+/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <unistd.h>
+#include <osmocom/core/utils.h>
+
+#include "tetra_sndcp_pdu.h"
+
+static const struct value_string sndcp_pdut_names[] = {
+	{ SNDCP_PDU_T_ACT_PDP_DEMAND,	"SN-ACTIVATE PDP DEMAND" },
+	{ SNDCP_PDU_T_DEACT_PDP_ACC,	"SN-DEACTIVATE PDP ACCEPT" },
+	{ SNDCP_PDU_T_DEACT_PDP_DEMAND, "SN-DEACTIVATE PDP DEMAND" },
+	{ SNDCP_PDU_T_ACT_PDP_REJECT,	"SN-ACTIVATE PDP REJECT" },
+	{ SNDCP_PDU_T_UNITDATA,		"SN-UNITDATA" },
+	{ SNDCP_PDU_T_DATA,		"SN-DATA" },
+	{ SNDCP_PDU_T_DATA_TX_REQ,	"SN-DATA TX REQUEST" },
+	{ SNDCP_PDU_T_DATA_TX_RESP,	"SN-DATA TX RESPONSE" },
+	{ SNDCP_PDU_T_END_OF_DATA,	"SN-END OF DATA" },
+	{ SNDCP_PDU_T_RECONNECT,	"SN-RECONNECT" },
+	{ SNDCP_PDU_T_PAGE_REQUEST,	"SN-PAGE REQUEST" },
+	{ SNDCP_PDU_T_NOT_SUPPORTED,	"SN-NOT SUPPORTED" },
+	{ SNDCP_PDU_T_DATA_PRIORITY,	"SN-DATA PRIORITY" },
+	{ SNDCP_PDU_T_MODIFY,		"SN-MODIFY" },
+	{ 0, NULL }
+};
+
+const char *tetra_get_sndcp_pdut_name(uint8_t pdut, int uplink)
+{
+	/* FIXME: uplink */
+	return get_value_string(sndcp_pdut_names, pdut);
+}
diff --git a/src/tetra_sndcp_pdu.h b/src/tetra_sndcp_pdu.h
new file mode 100644
index 0000000..3a78da5
--- /dev/null
+++ b/src/tetra_sndcp_pdu.h
@@ -0,0 +1,29 @@
+#ifndef TETRA_SNDCP_PDU_H
+#define TETRA_SNDCP_PDU_H
+
+#include <stdint.h>
+
+/* 28.115 */
+enum sndcp_pdu_type {
+	SNDCP_PDU_T_ACT_PDP_DEMAND	= 0x0,
+	SNDCP_PDU_T_DEACT_PDP_ACC	= 0x1,
+	SNDCP_PDU_T_DEACT_PDP_DEMAND	= 0x2,
+	SNDCP_PDU_T_ACT_PDP_REJECT	= 0x3,
+	SNDCP_PDU_T_UNITDATA		= 0x4,
+	SNDCP_PDU_T_DATA		= 0x5,
+	SNDCP_PDU_T_DATA_TX_REQ		= 0x6,
+	SNDCP_PDU_T_DATA_TX_RESP	= 0x7,
+	SNDCP_PDU_T_END_OF_DATA		= 0x8,
+	SNDCP_PDU_T_RECONNECT		= 0x9,
+	SNDCP_PDU_T_PAGE_REQUEST	= 0xa,
+	SNDCP_PDU_T_NOT_SUPPORTED	= 0xb,
+	SNDCP_PDU_T_DATA_PRIORITY	= 0xc,
+	SNDCP_PDU_T_MODIFY		= 0xd,
+};
+
+#define SNDCP_PDU_T_ACT_PDP_ACCEPT	SNDCP_PDU_T_ACT_PDP_DEMAND
+#define	SNDCP_PDU_T_PAGE_RESPONSE	SNDCP_PDU_T_PAGE_REQUEST
+
+#endif /* TETRA_SNDCP_PDU_H */
+
+const char *tetra_get_sndcp_pdut_name(uint8_t pdut, int uplink);
diff --git a/src/tetra_upper_mac.c b/src/tetra_upper_mac.c
index 1675b8e..9239b82 100644
--- a/src/tetra_upper_mac.c
+++ b/src/tetra_upper_mac.c
@@ -32,6 +32,7 @@
 #include "tetra_mle_pdu.h"
 #include "tetra_mm_pdu.h"
 #include "tetra_cmce_pdu.h"
+#include "tetra_sndcp_pdu.h"
 #include "tetra_gsmtap.h"
 
 static void rx_bcast(struct tetra_tmvsap_prim *tmvp)
@@ -94,6 +95,9 @@ static int rx_tm_sdu(uint8_t *bits, unsigned int len)
 	case TMLE_PDISC_CMCE:
 		printf(" %s", tetra_get_cmce_pdut_name(bits_to_uint(bits+3, 5), 0));
 		break;
+	case TMLE_PDISC_SNDCP:
+		printf(" %s", tetra_get_sndcp_pdut_name(bits_to_uint(bits+3, 4), 0));
+		break;
 	default:
 		break;
 	}