diff --git a/openbsc/src/libbsc/pcu_sock.c b/openbsc/src/libbsc/pcu_sock.c
index 0ae3a03..7e77797 100644
--- a/openbsc/src/libbsc/pcu_sock.c
+++ b/openbsc/src/libbsc/pcu_sock.c
@@ -286,6 +286,27 @@
 	return pcu_sock_send(bts, msg);
 }
 
+/* Confirm the sending of an immediate assignment to the pcu */
+int pcu_tx_imm_ass_sent(struct gsm_bts *bts, uint32_t tlli)
+{
+	struct msgb *msg;
+	struct gsm_pcu_if *pcu_prim;
+	struct gsm_pcu_if_data_cnf_dt *data_cnf_dt;
+
+	LOGP(DPCU, LOGL_INFO, "Sending PCH confirm with direct TLLI\n");
+
+	msg = pcu_msgb_alloc(PCU_IF_MSG_DATA_CNF_DT, bts->nr);
+	if (!msg)
+		return -ENOMEM;
+	pcu_prim = (struct gsm_pcu_if *) msg->data;
+	data_cnf_dt = &pcu_prim->u.data_cnf_dt;
+
+	data_cnf_dt->sapi = PCU_IF_SAPI_PCH;
+	data_cnf_dt->tlli = tlli;
+
+	return pcu_sock_send(bts, msg);
+}
+
 /* we need to decode the raw RR paging messsage (see PCU code
  * Encoding::write_paging_request) and extract the mobile identity
  * (P-TMSI) from it */