Index: uspace/srv/net/nil/nildummy/nildummy.c
===================================================================
--- uspace/srv/net/nil/nildummy/nildummy.c	(revision 9934f7d3082d2ffdd107cc0c78d61d504b0f401e)
+++ uspace/srv/net/nil/nildummy/nildummy.c	(revision d408ea0bd086262fcbccdde5e68f406d37f2dd14)
@@ -44,5 +44,4 @@
 #include <ipc/net.h>
 #include <ipc/services.h>
-
 #include <net/modules.h>
 #include <net/device.h>
@@ -53,8 +52,4 @@
 #include <netif_remote.h>
 #include <nil_skel.h>
-
-// FIXME: remove this header
-#include <kernel/ipc/ipc_methods.h>
-
 #include "nildummy.h"
 
@@ -70,9 +65,9 @@
 DEVICE_MAP_IMPLEMENT(nildummy_devices, nildummy_device_t);
 
-int nil_device_state_msg_local(int nil_phone, device_id_t device_id, int state)
+int nil_device_state_msg_local(device_id_t device_id, sysarg_t state)
 {
 	fibril_rwlock_read_lock(&nildummy_globals.protos_lock);
-	if (nildummy_globals.proto.phone)
-		il_device_state_msg(nildummy_globals.proto.phone, device_id,
+	if (nildummy_globals.proto.sess)
+		il_device_state_msg(nildummy_globals.proto.sess, device_id,
 		    state, nildummy_globals.proto.service);
 	fibril_rwlock_read_unlock(&nildummy_globals.protos_lock);
@@ -81,5 +76,5 @@
 }
 
-int nil_initialize(int net_phone)
+int nil_initialize(async_sess_t *sess)
 {
 	fibril_rwlock_initialize(&nildummy_globals.devices_lock);
@@ -88,6 +83,6 @@
 	fibril_rwlock_write_lock(&nildummy_globals.protos_lock);
 	
-	nildummy_globals.net_phone = net_phone;
-	nildummy_globals.proto.phone = 0;
+	nildummy_globals.net_sess = sess;
+	nildummy_globals.proto.sess = NULL;
 	int rc = nildummy_devices_initialize(&nildummy_globals.devices);
 	
@@ -102,5 +97,6 @@
  * @param[in]     iid   Message identifier.
  * @param[in,out] icall Message parameters.
- * @param[in]     arg   Local argument.
+ * @param[in]     arg    Local argument.
+ *
  */
 static void nildummy_receiver(ipc_callid_t iid, ipc_call_t *icall, void *arg)
@@ -112,15 +108,15 @@
 		switch (IPC_GET_IMETHOD(*icall)) {
 		case NET_NIL_DEVICE_STATE:
-			rc = nil_device_state_msg_local(0,
-			    IPC_GET_DEVICE(*icall), IPC_GET_STATE(*icall));
+			rc = nil_device_state_msg_local(IPC_GET_DEVICE(*icall),
+			    IPC_GET_STATE(*icall));
 			async_answer_0(iid, (sysarg_t) rc);
 			break;
 		
 		case NET_NIL_RECEIVED:
-			rc = packet_translate_remote(nildummy_globals.net_phone,
+			rc = packet_translate_remote(nildummy_globals.net_sess,
 			    &packet, IPC_GET_PACKET(*icall));
 			if (rc == EOK)
-				rc = nil_received_msg_local(0,
-				    IPC_GET_DEVICE(*icall), packet, 0);
+				rc = nil_received_msg_local(IPC_GET_DEVICE(*icall),
+				    packet, 0);
 			
 			async_answer_0(iid, (sysarg_t) rc);
@@ -180,6 +176,6 @@
 		/* Notify the upper layer module */
 		fibril_rwlock_read_lock(&nildummy_globals.protos_lock);
-		if (nildummy_globals.proto.phone) {
-			il_mtu_changed_msg(nildummy_globals.proto.phone,
+		if (nildummy_globals.proto.sess) {
+			il_mtu_changed_msg(nildummy_globals.proto.sess,
 			    device->device_id, device->mtu,
 			    nildummy_globals.proto.service);
@@ -203,14 +199,14 @@
 
 	/* Bind the device driver */
-	device->phone = netif_bind_service(device->service, device->device_id,
+	device->sess = netif_bind_service(device->service, device->device_id,
 	    SERVICE_ETHERNET, nildummy_receiver);
-	if (device->phone < 0) {
+	if (device->sess == NULL) {
 		fibril_rwlock_write_unlock(&nildummy_globals.devices_lock);
 		free(device);
-		return device->phone;
+		return ENOENT;
 	}
 	
 	/* Get hardware address */
-	int rc = netif_get_addr_req(device->phone, device->device_id,
+	int rc = netif_get_addr_req(device->sess, device->device_id,
 	    &device->addr, &device->addr_data);
 	if (rc != EOK) {
@@ -307,13 +303,13 @@
 }
 
-int nil_received_msg_local(int nil_phone, device_id_t device_id,
-    packet_t *packet, services_t target)
+int nil_received_msg_local(device_id_t device_id, packet_t *packet,
+    services_t target)
 {
 	fibril_rwlock_read_lock(&nildummy_globals.protos_lock);
 	
-	if (nildummy_globals.proto.phone) {
+	if (nildummy_globals.proto.sess) {
 		do {
 			packet_t *next = pq_detach(packet);
-			il_received_msg(nildummy_globals.proto.phone, device_id,
+			il_received_msg(nildummy_globals.proto.sess, device_id,
 			    packet, nildummy_globals.proto.service);
 			packet = next;
@@ -331,5 +327,5 @@
  *
  * @param[in] service Module service.
- * @param[in] phone   Service phone.
+ * @param[in] sess    Service session.
  *
  * @return EOK on success.
@@ -338,12 +334,12 @@
  *
  */
-static int nildummy_register_message(services_t service, int phone)
+static int nildummy_register_message(services_t service, async_sess_t *sess)
 {
 	fibril_rwlock_write_lock(&nildummy_globals.protos_lock);
 	nildummy_globals.proto.service = service;
-	nildummy_globals.proto.phone = phone;
-	
-	printf("%s: Protocol registered (service: %d, phone: %d)\n",
-	    NAME, nildummy_globals.proto.service, nildummy_globals.proto.phone);
+	nildummy_globals.proto.sess = sess;
+	
+	printf("%s: Protocol registered (service: %d)\n",
+	    NAME, nildummy_globals.proto.service);
 	
 	fibril_rwlock_write_unlock(&nildummy_globals.protos_lock);
@@ -376,5 +372,5 @@
 	/* Send packet queue */
 	if (packet)
-		netif_send_msg(device->phone, device_id, packet,
+		netif_send_msg(device->sess, device_id, packet,
 		    SERVICE_NILDUMMY);
 	
@@ -400,4 +396,9 @@
 		return EOK;
 	
+	async_sess_t *callback =
+	    async_callback_receive_start(EXCHANGE_SERIALIZE, call);
+	if (callback)
+		return nildummy_register_message(NIL_GET_PROTO(*call), callback);
+	
 	switch (IPC_GET_IMETHOD(*call)) {
 	case NET_NIL_DEVICE:
@@ -406,5 +407,5 @@
 	
 	case NET_NIL_SEND:
-		rc = packet_translate_remote(nildummy_globals.net_phone,
+		rc = packet_translate_remote(nildummy_globals.net_sess,
 		    &packet, IPC_GET_PACKET(*call));
 		if (rc != EOK)
@@ -436,8 +437,4 @@
 			return rc;
 		return measured_strings_reply(address, 1);
-	
-	case IPC_M_CONNECT_TO_ME:
-		return nildummy_register_message(NIL_GET_PROTO(*call),
-		    IPC_GET_PHONE(*call));
 	}
 	
Index: uspace/srv/net/nil/nildummy/nildummy.h
===================================================================
--- uspace/srv/net/nil/nildummy/nildummy.h	(revision 9934f7d3082d2ffdd107cc0c78d61d504b0f401e)
+++ uspace/srv/net/nil/nildummy/nildummy.h	(revision d408ea0bd086262fcbccdde5e68f406d37f2dd14)
@@ -38,7 +38,7 @@
 #define NET_NILDUMMY_H_
 
+#include <async.h>
 #include <fibril_synch.h>
 #include <ipc/services.h>
-
 #include <net/device.h>
 #include <adt/measured_strings.h>
@@ -81,6 +81,6 @@
 	services_t service;
 	
-	/** Driver phone. */
-	int phone;
+	/** Driver session. */
+	async_sess_t *sess;
 	
 	/** Maximal transmission unit. */
@@ -99,12 +99,12 @@
 	services_t service;
 	
-	/** Protocol module phone. */
-	int phone;
+	/** Protocol module session. */
+	async_sess_t *sess;
 };
 
 /** Dummy nil global data. */
 struct nildummy_globals {
-	/** Networking module phone. */
-	int net_phone;
+	/** Networking module session. */
+	async_sess_t *net_sess;
 	
 	/** Lock for devices. */