diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index 8f24d4fd1..4338cd60c 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -304,7 +304,6 @@ struct gsm_sms_addr {
 
 struct gsm_sms {
 	unsigned long long id;
-	struct gsm_subscriber *sender;
 	struct gsm_subscriber *receiver;
 	struct gsm_sms_addr src, dst;
 	enum gsm_sms_source_id source;
diff --git a/openbsc/src/libmsc/db.c b/openbsc/src/libmsc/db.c
index bfa4e75a0..df26b04d4 100644
--- a/openbsc/src/libmsc/db.c
+++ b/openbsc/src/libmsc/db.c
@@ -95,7 +95,6 @@ static char *create_stmts[] = {
 		"id INTEGER PRIMARY KEY AUTOINCREMENT, "
 		"created TIMESTAMP NOT NULL, "
 		"sent TIMESTAMP, "
-		"sender_id INTEGER NOT NULL, "
 		"receiver_id INTEGER NOT NULL, "
 		"deliver_attempts INTEGER NOT NULL DEFAULT 0, "
 		/* data directly copied/derived from SMS */
@@ -105,7 +104,12 @@ static char *create_stmts[] = {
 		"protocol_id INTEGER NOT NULL, "
 		"data_coding_scheme INTEGER NOT NULL, "
 		"ud_hdr_ind INTEGER NOT NULL, "
-		"dest_addr TEXT, "
+		"src_addr TEXT NOT NULL, "
+		"src_ton INTEGER NOT NULL, "
+		"src_npi INTEGER NOT NULL, "
+		"dest_addr TEXT NOT NULL, "
+		"dest_ton INTEGER NOT NULL, "
+		"dest_npi INTEGER NOT NULL, "
 		"user_data BLOB, "	/* TP-UD */
 		/* additional data, interpreted from SMS */
 		"header BLOB, "		/* UD Header */
@@ -1214,7 +1218,7 @@ int db_subscriber_assoc_imei(struct gsm_subscriber *subscriber, char imei[GSM_IM
 int db_sms_store(struct gsm_sms *sms)
 {
 	dbi_result result;
-	char *q_text, *q_daddr;
+	char *q_text, *q_daddr, *q_saddr;
 	unsigned char *q_udata;
 	char *validity_timestamp = "2222-2-2";
 
@@ -1222,25 +1226,35 @@ int db_sms_store(struct gsm_sms *sms)
 
 	dbi_conn_quote_string_copy(conn, (char *)sms->text, &q_text);
 	dbi_conn_quote_string_copy(conn, (char *)sms->dst.addr, &q_daddr);
+	dbi_conn_quote_string_copy(conn, (char *)sms->src.addr, &q_saddr);
 	dbi_conn_quote_binary_copy(conn, sms->user_data, sms->user_data_len,
 				   &q_udata);
+
 	/* FIXME: correct validity period */
 	result = dbi_conn_queryf(conn,
 		"INSERT INTO SMS "
-		"(created, sender_id, receiver_id, valid_until, "
+		"(created, receiver_id, valid_until, "
 		 "reply_path_req, status_rep_req, protocol_id, "
-		 "data_coding_scheme, ud_hdr_ind, dest_addr, "
-		 "user_data, text) VALUES "
-		"(datetime('now'), %llu, %llu, %u, "
-		 "%u, %u, %u, %u, %u, %s, %s, %s)",
-		sms->sender->id,
+		 "data_coding_scheme, ud_hdr_ind, "
+		 "user_data, text, "
+		 "dest_addr, dest_ton, dest_npi, "
+		 "src_addr, src_ton, src_npi) VALUES "
+		"(datetime('now'), %llu, %u, "
+		"%u, %u, %u, "
+		"%u, %u, "
+		"%s, %s, "
+		"%s, %u, %u, "
+		"%s, %u, %u)",
 		sms->receiver ? sms->receiver->id : 0, validity_timestamp,
 		sms->reply_path_req, sms->status_rep_req, sms->protocol_id,
 		sms->data_coding_scheme, sms->ud_hdr_ind,
-		q_daddr, q_udata, q_text);
+		q_udata, q_text,
+		q_daddr, sms->dst.ton, sms->dst.npi,
+		q_saddr, sms->src.ton, sms->src.npi);
 	free(q_text);
-	free(q_daddr);
 	free(q_udata);
+	free(q_daddr);
+	free(q_saddr);
 
 	if (!result)
 		return -EIO;
@@ -1252,8 +1266,8 @@ int db_sms_store(struct gsm_sms *sms)
 static struct gsm_sms *sms_from_result(struct gsm_network *net, dbi_result result)
 {
 	struct gsm_sms *sms = sms_alloc();
-	long long unsigned int sender_id, receiver_id;
-	const char *text, *daddr;
+	long long unsigned int receiver_id;
+	const char *text, *daddr, *saddr;
 	const unsigned char *user_data;
 
 	if (!sms)
@@ -1261,18 +1275,6 @@ static struct gsm_sms *sms_from_result(struct gsm_network *net, dbi_result resul
 
 	sms->id = dbi_result_get_ulonglong(result, "id");
 
-	sender_id = dbi_result_get_ulonglong(result, "sender_id");
-	sms->sender = subscr_get_by_id(net, sender_id);
-	if (!sms->sender) {
-		LOGP(DLSMS, LOGL_ERROR,
-			"Failed to find sender(%llu) for id(%llu)\n",
-			sender_id, sms->id);
-		sms_free(sms);
-		return NULL;
-	}
-
-	strncpy(sms->src.addr, sms->sender->extension, sizeof(sms->src.addr)-1);
-
 	receiver_id = dbi_result_get_ulonglong(result, "receiver_id");
 	sms->receiver = subscr_get_by_id(net, receiver_id);
 	if (!sms->receiver) {
@@ -1293,12 +1295,22 @@ static struct gsm_sms *sms_from_result(struct gsm_network *net, dbi_result resul
 						  "data_coding_scheme");
 	/* sms->msg_ref is temporary and not stored in DB */
 
+	sms->dst.npi = dbi_result_get_uint(result, "dest_npi");
+	sms->dst.ton = dbi_result_get_uint(result, "dest_ton");
 	daddr = dbi_result_get_string(result, "dest_addr");
 	if (daddr) {
 		strncpy(sms->dst.addr, daddr, sizeof(sms->dst.addr));
 		sms->dst.addr[sizeof(sms->dst.addr)-1] = '\0';
 	}
 
+	sms->src.npi = dbi_result_get_uint(result, "src_npi");
+	sms->src.ton = dbi_result_get_uint(result, "src_ton");
+	saddr = dbi_result_get_string(result, "src_addr");
+	if (saddr) {
+		strncpy(sms->src.addr, saddr, sizeof(sms->src.addr));
+		sms->src.addr[sizeof(sms->src.addr)-1] = '\0';
+	}
+
 	sms->user_data_len = dbi_result_get_field_length(result, "user_data");
 	user_data = dbi_result_get_binary(result, "user_data");
 	if (sms->user_data_len > sizeof(sms->user_data))
diff --git a/openbsc/src/libmsc/gsm_04_11.c b/openbsc/src/libmsc/gsm_04_11.c
index 5f107599d..b2100d8b5 100644
--- a/openbsc/src/libmsc/gsm_04_11.c
+++ b/openbsc/src/libmsc/gsm_04_11.c
@@ -73,8 +73,6 @@ struct gsm_sms *sms_alloc(void)
 void sms_free(struct gsm_sms *sms)
 {
 	/* drop references to subscriber structure */
-	if (sms->sender)
-		subscr_put(sms->sender);
 	if (sms->receiver)
 		subscr_put(sms->receiver);
 #ifdef BUILD_SMPP
@@ -97,8 +95,7 @@ struct gsm_sms *sms_from_text(struct gsm_subscriber *receiver,
 	sms->receiver = subscr_get(receiver);
 	strncpy(sms->text, text, sizeof(sms->text)-1);
 
-	sms->sender = subscr_get(sender);
-	strncpy(sms->src.addr, sms->sender->extension, sizeof(sms->src.addr)-1);
+	strncpy(sms->src.addr, sender->extension, sizeof(sms->src.addr)-1);
 	sms->reply_path_req = 0;
 	sms->status_rep_req = 0;
 	sms->ud_hdr_ind = 0;
@@ -378,12 +375,12 @@ static int gsm340_rx_tpdu(struct gsm_subscriber_connection *conn, struct msgb *m
 		}
 	}
 
-	gsms->sender = subscr_get(conn->subscr);
+	strncpy(gsms->src.addr, conn->subscr->extension, sizeof(gsms->src.addr)-1);
 
 	LOGP(DLSMS, LOGL_INFO, "RX SMS: Sender: %s, MTI: 0x%02x, VPF: 0x%02x, "
 	     "MR: 0x%02x PID: 0x%02x, DCS: 0x%02x, DA: %s, "
 	     "UserDataLength: 0x%02x, UserData: \"%s\"\n",
-	     subscr_name(gsms->sender), sms_mti, sms_vpf, gsms->msg_ref,
+	     subscr_name(conn->subscr), sms_mti, sms_vpf, gsms->msg_ref,
 	     gsms->protocol_id, gsms->data_coding_scheme, gsms->dst.addr,
 	     gsms->user_data_len,
 			sms_alphabet == DCS_7BIT_DEFAULT ? gsms->text :
diff --git a/openbsc/src/libmsc/smpp_openbsc.c b/openbsc/src/libmsc/smpp_openbsc.c
index ab558ce9d..ec541c271 100644
--- a/openbsc/src/libmsc/smpp_openbsc.c
+++ b/openbsc/src/libmsc/smpp_openbsc.c
@@ -133,7 +133,6 @@ static int submit_to_sms(struct gsm_sms **psms, struct gsm_network *net,
 	strncpy(sms->dst.addr, dest->extension, sizeof(sms->dst.addr)-1);
 
 	/* fill in the source address */
-	sms->sender = subscr_get_by_id(net, 1);
 	sms->src.ton = submit->source_addr_ton;
 	sms->src.npi = submit->source_addr_npi;
 	strncpy(sms->src.addr, (char *)submit->source_addr, sizeof(sms->src.addr)-1);
@@ -475,13 +474,13 @@ static int deliver_to_esme(struct osmo_esme *esme, struct gsm_sms *sms,
 		deliver.source_addr_npi = NPI_Land_Mobile_E212;
 		snprintf((char *)deliver.source_addr,
 			sizeof(deliver.source_addr), "%s",
-			sms->sender->imsi);
+			conn->subscr->imsi);
 	} else {
 		deliver.source_addr_ton = TON_Network_Specific;
 		deliver.source_addr_npi = NPI_ISDN_E163_E164;
 		snprintf((char *)deliver.source_addr,
 			 sizeof(deliver.source_addr), "%s",
-			 sms->sender->extension);
+			 conn->subscr->extension);
 	}
 
 	deliver.dest_addr_ton	= sms->dst.ton;