diff --git a/openbsc/include/openbsc/gprs_bssgp.h b/openbsc/include/openbsc/gprs_bssgp.h
index 9eaf989..e432cf7 100644
--- a/openbsc/include/openbsc/gprs_bssgp.h
+++ b/openbsc/include/openbsc/gprs_bssgp.h
@@ -199,6 +199,33 @@
 	return tlv_parse(tp, &tvlv_att_def, buf, len, 0, 0);
 }
 
+enum bssgp_paging_mode {
+	BSSGP_PAGING_PS,
+	BSSGP_PAGING_CS,
+};
+
+enum bssgp_paging_scope {
+	BSSGP_PAGING_BSS_AREA,		/* all cells in BSS */
+	BSSGP_PAGING_LOCATION_AREA,	/* all cells in LA */
+	BSSGP_PAGING_ROUTEING_AREA,	/* all cells in RA */
+	BSSGP_PAGING_BVCI,		/* one cell */
+};
+
+struct bssgp_paging_info {
+	enum bssgp_paging_mode mode;
+	enum bssgp_paging_scope scope;
+	struct gprs_ra_id raid;
+	uint16_t bvci;
+	const char *imsi;
+	uint32_t *ptmsi;
+	uint16_t drx_params;
+	uint8_t qos[3];
+};
+
+/* Send a single GMM-PAGING.req to a given NSEI/NS-BVCI */
+int gprs_bssgp_tx_paging(uint16_t nsei, uint16_t ns_bvci,
+			 struct bssgp_paging_info *pinfo);
+
 /* gprs_bssgp_vty.c */
 int gprs_bssgp_vty_init(void);
 
diff --git a/openbsc/src/gprs/gprs_bssgp.c b/openbsc/src/gprs/gprs_bssgp.c
index c7c49d4..f27e3a7 100644
--- a/openbsc/src/gprs/gprs_bssgp.c
+++ b/openbsc/src/gprs/gprs_bssgp.c
@@ -787,3 +787,66 @@
 
 	return gprs_ns_sendmsg(bssgp_nsi, msg);
 }
+
+/* Send a single GMM-PAGING.req to a given NSEI/NS-BVCI */
+int gprs_bssgp_tx_paging(uint16_t nsei, uint16_t ns_bvci,
+			 struct bssgp_paging_info *pinfo)
+{
+	struct msgb *msg = bssgp_msgb_alloc();
+	struct bssgp_normal_hdr *bgph =
+			(struct bssgp_normal_hdr *) msgb_put(msg, sizeof(*bgph));
+	uint16_t drx_params = htons(pinfo->drx_params);
+	uint8_t mi[10];
+	int imsi_len = gsm48_generate_mid_from_imsi(mi, pinfo->imsi);
+	uint8_t ra[6];
+
+	if (imsi_len < 2)
+		return -EINVAL;
+
+	msgb_nsei(msg) = nsei;
+	msgb_bvci(msg) = ns_bvci;
+
+	if (pinfo->mode == BSSGP_PAGING_PS)
+		bgph->pdu_type = BSSGP_PDUT_PAGING_PS;
+	else
+		bgph->pdu_type = BSSGP_PDUT_PAGING_CS;
+	/* IMSI */
+	msgb_tvlv_put(msg, BSSGP_IE_IMSI, imsi_len-2, mi+2);
+	/* DRX Parameters */
+	msgb_tvlv_put(msg, BSSGP_IE_DRX_PARAMS, 2,
+			(uint8_t *) &drx_params);
+	/* Scope */
+	switch (pinfo->scope) {
+	case BSSGP_PAGING_BSS_AREA:
+		{
+			uint8_t null = 0;
+			msgb_tvlv_put(msg, BSSGP_IE_BSS_AREA_ID, 1, &null);
+		}
+		break;
+	case BSSGP_PAGING_LOCATION_AREA:
+		gsm48_construct_ra(ra, &pinfo->raid);
+		msgb_tvlv_put(msg, BSSGP_IE_LOCATION_AREA, 4, ra);
+		break;
+	case BSSGP_PAGING_ROUTEING_AREA:
+		gsm48_construct_ra(ra, &pinfo->raid);
+		msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, 6, ra);
+		break;
+	case BSSGP_PAGING_BVCI:
+		{
+			uint16_t bvci = htons(pinfo->bvci);
+			msgb_tvlv_put(msg, BSSGP_IE_BVCI, 2, (uint8_t *)&bvci);
+		}
+		break;
+	}
+	/* QoS profile mandatory for PS */
+	if (pinfo->mode == BSSGP_PAGING_PS)
+		msgb_tvlv_put(msg, BSSGP_IE_QOS_PROFILE, 3, pinfo->qos);
+
+	/* Optional (P-)TMSI */
+	if (pinfo->ptmsi) {
+		uint32_t ptmsi = htonl(*pinfo->ptmsi);
+		msgb_tvlv_put(msg, BSSGP_IE_TMSI, 4, (uint8_t *) &ptmsi);
+	}
+
+	return gprs_ns_sendmsg(bssgp_nsi, msg);
+}
diff --git a/openbsc/src/gprs/sgsn_libgtp.c b/openbsc/src/gprs/sgsn_libgtp.c
index 6de3c3d..a1d233a 100644
--- a/openbsc/src/gprs/sgsn_libgtp.c
+++ b/openbsc/src/gprs/sgsn_libgtp.c
@@ -357,27 +357,55 @@
 /* Called whenever we recive a DATA packet */
 static int cb_data_ind(struct pdp_t *lib, void *packet, unsigned int len)
 {
+	struct bssgp_paging_info pinfo;
 	struct sgsn_pdp_ctx *pdp;
-	struct msgb *msg = msgb_alloc_headroom(len+128, 128, "GTP->SNDCP");
+	struct sgsn_mm_ctx *mm;
+	struct msgb *msg;
 	uint8_t *ud;
+	int rc;
 
 	DEBUGP(DGPRS, "GTP DATA IND from GGSN, length=%u\n", len);
-	/* FIXME: resolve PDP/MM context, forward to SNDCP layer */
 
 	pdp = lib->priv;
 	if (!pdp) {
 		DEBUGP(DGPRS, "GTP DATA IND from GGSN for unknown PDP\n");
 		return -EIO;
 	}
+	mm = pdp->mm;
 
+	msg = msgb_alloc_headroom(len+128, 128, "GTP->SNDCP");
 	ud = msgb_put(msg, len);
 	memcpy(ud, packet, len);
 
-	msgb_tlli(msg) = pdp->mm->tlli;
-	msgb_bvci(msg) = pdp->mm->bvci;
-	msgb_nsei(msg) = pdp->mm->nsei;
+	msgb_tlli(msg) = mm->tlli;
+	msgb_bvci(msg) = mm->bvci;
+	msgb_nsei(msg) = mm->nsei;
 
-	return sndcp_unitdata_req(msg, &pdp->mm->llme->lle[pdp->sapi], pdp->nsapi, pdp->mm);
+	switch (mm->mm_state) {
+	case GMM_REGISTERED_SUSPENDED:
+		/* initiate PS PAGING procedure */
+		memset(&pinfo, 0, sizeof(pinfo));
+		pinfo.mode = BSSGP_PAGING_PS;
+		pinfo.scope = BSSGP_PAGING_BVCI;
+		pinfo.bvci = mm->bvci;
+		pinfo.imsi = mm->imsi;
+		pinfo.ptmsi = mm->p_tmsi;
+		pinfo.drx_params = mm->drx_parms;
+		pinfo.qos[0] = 0; // FIXME
+		rc = gprs_bssgp_tx_paging(mm->nsei, 0, &pinfo);
+		/* FIXME: queue the packet we received from GTP */
+		break;
+	case GMM_REGISTERED_NORMAL:
+		break;
+	default:
+		LOGP(DGPRS, LOGL_ERROR, "GTP DATA IND for TLLI %08X in state "
+			"%u\n", mm->tlli, mm->mm_state);
+		msgb_free(msg);
+		return -1;
+	}
+
+	return sndcp_unitdata_req(msg, &mm->llme->lle[pdp->sapi],
+				  pdp->nsapi, mm);
 }
 
 /* Called by SNDCP when it has received/re-assembled a N-PDU */