diff --git a/src/ctl/ctl.h b/src/ctl/ctl.h
index d053127..09534ce 100644
--- a/src/ctl/ctl.h
+++ b/src/ctl/ctl.h
@@ -176,8 +176,10 @@ enum wfd_session_dir wfd_session_get_dir(struct wfd_session *s);
 uint64_t wfd_session_get_id(struct wfd_session *s);
 const char * wfd_session_get_stream_url(struct wfd_session *s);
 enum wfd_session_state wfd_session_get_state(struct wfd_session *s);
-int wfd_session_is_started(struct wfd_session *s);
-void wfd_session_end(struct wfd_session *s);
+int wfd_session_is_established(struct wfd_session *s);
+int wfd_session_resume(struct wfd_session *s);
+int wfd_session_pause(struct wfd_session *s);
+int wfd_session_teardown(struct wfd_session *s);
 void wfd_session_free(struct wfd_session *s);
 uint64_t wfd_session_get_id(struct wfd_session *s);
 struct wfd_sink * wfd_out_session_get_sink(struct wfd_session *s);
diff --git a/src/ctl/wfd-dbus.c b/src/ctl/wfd-dbus.c
index cfab4f0..07911f8 100644
--- a/src/ctl/wfd-dbus.c
+++ b/src/ctl/wfd-dbus.c
@@ -454,12 +454,55 @@ static int wfd_dbus_sink_get_peer(sd_bus *bus,
 //{
 //	return 0;
 //}
-
-static int wfd_dbus_session_end(sd_bus_message *m,
+static int wfd_dbus_session_resume(sd_bus_message *m,
 				void *userdata,
 				sd_bus_error *ret_error)
 {
-	wfd_session_end(userdata);
+	struct wfd_session *s = userdata;
+	int r;
+
+	if(wfd_session_is_established(s)) {
+		r = wfd_session_resume(s);
+		if(0 > r) {
+			return r;
+		}
+	}
+	else {
+		return -ENOTCONN;
+	}
+
+	return sd_bus_reply_method_return(m, NULL);
+}
+
+static int wfd_dbus_session_pause(sd_bus_message *m,
+				void *userdata,
+				sd_bus_error *ret_error)
+{
+	struct wfd_session *s = userdata;
+	int r;
+
+	if(wfd_session_is_established(s)) {
+		r = wfd_session_pause(s);
+		if(0 > r) {
+			return r;
+		}
+	}
+	else {
+		return -ENOTCONN;
+	}
+
+	return sd_bus_reply_method_return(m, NULL);
+}
+
+static int wfd_dbus_session_teardown(sd_bus_message *m,
+				void *userdata,
+				sd_bus_error *ret_error)
+{
+	struct wfd_session *s = userdata;
+	int r = wfd_session_teardown(s);
+	if(0 > r) {
+		return r;
+	}
 
 	return sd_bus_reply_method_return(m, NULL);
 }
@@ -554,7 +597,9 @@ static const sd_bus_vtable wfd_dbus_sink_vtable[] = {
 
 static const sd_bus_vtable wfd_dbus_session_vtable[] = {
 	SD_BUS_VTABLE_START(0),
-	SD_BUS_METHOD("End", NULL, NULL, wfd_dbus_session_end, 0),
+	SD_BUS_METHOD("Resume", NULL, NULL, wfd_dbus_session_resume, 0),
+	SD_BUS_METHOD("Pause", NULL, NULL, wfd_dbus_session_pause, 0),
+	SD_BUS_METHOD("Teardown", NULL, NULL, wfd_dbus_session_teardown, 0),
 	SD_BUS_PROPERTY("Sink", "o", wfd_dbus_session_get_sink, 0, SD_BUS_VTABLE_PROPERTY_CONST),
 	SD_BUS_PROPERTY("Url", "o", wfd_dbus_get_session_presentation_url, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
 	SD_BUS_PROPERTY("State", "i", wfd_dbus_get_session_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
diff --git a/src/ctl/wfd-out-session.c b/src/ctl/wfd-out-session.c
index cb734b1..b30cce4 100644
--- a/src/ctl/wfd-out-session.c
+++ b/src/ctl/wfd-out-session.c
@@ -58,7 +58,7 @@ struct wfd_sink * wfd_out_session_get_sink(struct wfd_session *s)
 	return wfd_out_session(s)->sink;
 }
 
-static int wfd_out_session_handle_io(struct wfd_session *s,
+int wfd_out_session_handle_io(struct wfd_session *s,
 				int error,
 				int *out_fd)
 {
@@ -80,8 +80,6 @@ static int wfd_out_session_handle_io(struct wfd_session *s,
 
 	log_info("RTSP connection established");
 
-	//wfd_session_set_state(s, WFD_SESSION_STATE_CAPS_EXCHAING);
-
 	close(os->fd);
 	os->fd = -1;
 	*out_fd = fd;
@@ -90,7 +88,7 @@ static int wfd_out_session_handle_io(struct wfd_session *s,
 	return 0;
 }
 
-static int wfd_out_session_initiate_io(struct wfd_session *s,
+int wfd_out_session_initiate_io(struct wfd_session *s,
 				int *out_fd,
 				uint32_t *out_mask)
 {
@@ -164,13 +162,40 @@ static int wfd_out_session_initiate_io(struct wfd_session *s,
 	return 0;
 }
 
-static void wfd_out_session_end(struct wfd_session *s)
+static void wfd_out_session_kill_gst(struct wfd_session *s)
+{
+	if(-1 != s->stream.gst) {
+		kill(s->stream.gst, SIGTERM);
+		s->stream.gst = -1;
+	}
+}
+
+int wfd_out_session_resume(struct wfd_session *s)
+{
+	return wfd_session_request(s,
+					RTSP_M5_TRIGGER,
+					&(struct wfd_arg_list) wfd_arg_list(wfd_arg_cstr("PLAY")));
+}
+
+int wfd_out_session_pause(struct wfd_session *s)
+{
+	return wfd_session_request(s,
+					RTSP_M5_TRIGGER,
+					&(struct wfd_arg_list) wfd_arg_list(wfd_arg_cstr("PAUSE")));
+}
+
+int wfd_out_session_teardown(struct wfd_session *s)
+{
+	return wfd_session_request(s,
+					RTSP_M5_TRIGGER,
+					&(struct wfd_arg_list) wfd_arg_list(wfd_arg_cstr("TEARDOWN")));
+}
+
+void wfd_out_session_end(struct wfd_session *s)
 {
 	struct wfd_out_session *os = wfd_out_session(s);
 
-	if(-1 != s->stream.gst) {
-		kill(s->stream.gst, SIGTERM);
-	}
+	wfd_out_session_kill_gst(s);
 
 	if(0 <= os->fd) {
 		close(os->fd);
@@ -178,15 +203,15 @@ static void wfd_out_session_end(struct wfd_session *s)
 	}
 }
 
-static void wfd_out_session_distruct(struct wfd_session *s)
+void wfd_out_session_distruct(struct wfd_session *s)
 {
 }
 
-static int wfd_out_session_initiate_request(struct wfd_session *s)
+int wfd_out_session_initiate_request(struct wfd_session *s)
 {
 	return wfd_session_request(s,
 					RTSP_M1_REQUEST_SINK_OPTIONS,
-					&(struct wfd_arg_list) wfd_arg_list(wfd_arg_cstr("SETUP")));
+					NULL);
 }
 
 static int wfd_out_session_handle_get_parameter_reply(struct wfd_session *s,
@@ -448,15 +473,56 @@ static int wfd_out_session_handle_gst_term(sd_event_source *source,
 				const siginfo_t *si,
 				void *userdata)
 {
-	struct wfd_session *s = userdata;
-
 	log_trace("gst-launch(%d) terminated", si->si_pid);
 
-	if(WFD_SESSION_STATE_TEARING_DOWN != wfd_session_get_state(s)) {
-		s->stream.gst = -1;
-		wfd_session_end(s);
+	wfd_session_end(userdata);
+
+	return 0;
+}
+
+static int wfd_out_session_handle_pause_request(struct wfd_session *s,
+						struct rtsp_message *req,
+						struct rtsp_message **out_rep)
+{
+	_rtsp_message_unref_ struct rtsp_message *m = NULL;
+	int r;
+
+	wfd_out_session_kill_gst(s);
+
+	r = rtsp_message_new_reply_for(req,
+					&m,
+					RTSP_CODE_OK,
+					NULL);
+	if(0 > r) {
+		return r;
 	}
 
+	*out_rep = m;
+	m = NULL;
+
+	return 0;
+}
+
+static int wfd_out_session_handle_teardown_request(struct wfd_session *s,
+						struct rtsp_message *req,
+						struct rtsp_message **out_rep)
+{
+	_rtsp_message_unref_ struct rtsp_message *m = NULL;
+	int r;
+
+	wfd_out_session_kill_gst(s);
+
+	r = rtsp_message_new_reply_for(req,
+					&m,
+					RTSP_CODE_OK,
+					NULL);
+	if(0 > r) {
+		return r;
+	}
+
+	*out_rep = m;
+	m = NULL;
+
 	return 0;
 }
 
@@ -513,8 +579,6 @@ static int wfd_out_session_handle_play_request(struct wfd_session *s,
 	*out_rep = m;
 	m = NULL;
 
-	/**new_state = WFD_SESSION_STATE_PLAYING;*/
-
 	return 0;
 }
 
@@ -680,16 +744,6 @@ static int wfd_out_session_request_set_parameter(struct wfd_session *s,
 	return 0;
 }
 
-const struct wfd_session_vtable session_vtables[] = {
-	[WFD_SESSION_DIR_OUT] = {
-		.initiate_io		= wfd_out_session_initiate_io,
-		.handle_io			= wfd_out_session_handle_io,
-		.initiate_request	= wfd_out_session_initiate_request,
-		.end				= wfd_out_session_end,
-		.distruct			= wfd_out_session_distruct,
-	}
-};
-
 static const struct rtsp_dispatch_entry out_session_rtsp_disp_tbl[] = {
 	[RTSP_M1_REQUEST_SINK_OPTIONS] = {
 		.request = wfd_out_session_request_options,
@@ -739,10 +793,30 @@ static const struct rtsp_dispatch_entry out_session_rtsp_disp_tbl[] = {
 	},
 	[RTSP_M7_PLAY]					= {
 		.handle_request = wfd_out_session_handle_play_request,
+		.rule = wfd_arg_list(
+			wfd_arg_dict(
+					wfd_arg_u(WFD_SESSION_ARG_NEW_STATE),
+					wfd_arg_u(WFD_SESSION_STATE_PLAYING)
+			),
+		)
 	},
 	[RTSP_M8_TEARDOWN]				= {
+		.handle_request = wfd_out_session_handle_teardown_request,
+		.rule = wfd_arg_list(
+			wfd_arg_dict(
+					wfd_arg_u(WFD_SESSION_ARG_NEW_STATE),
+					wfd_arg_u(WFD_SESSION_STATE_TEARING_DOWN)
+			),
+		)
 	},
 	[RTSP_M9_PAUSE]					= {
+		.handle_request = wfd_out_session_handle_pause_request,
+		.rule = wfd_arg_list(
+			wfd_arg_dict(
+					wfd_arg_u(WFD_SESSION_ARG_NEW_STATE),
+					wfd_arg_u(WFD_SESSION_STATE_PAUSED)
+			),
+		)
 	},
 	[RTSP_M10_SET_ROUTE]			= {
 		.handle_request = wfd_out_session_request_not_implement
@@ -764,10 +838,3 @@ static const struct rtsp_dispatch_entry out_session_rtsp_disp_tbl[] = {
 	[RTSP_M16_KEEPALIVE]			= {
 	},
 };
-
-struct X
-{
-	int a;
-	int b;
-};
-
diff --git a/src/ctl/wfd-session.c b/src/ctl/wfd-session.c
index 1af053d..1b18cba 100644
--- a/src/ctl/wfd-session.c
+++ b/src/ctl/wfd-session.c
@@ -34,9 +34,30 @@
 )
 
 static const char *rtsp_message_names[];
-extern const struct wfd_session_vtable session_vtables[];
 extern const struct rtsp_dispatch_entry out_session_rtsp_disp_tbl[];
 
+extern int wfd_out_session_initiate_io(struct wfd_session *s, int *out_fd, uint32_t *out_mask);
+extern int wfd_out_session_handle_io(struct wfd_session *s, int error, int *out_fd);
+extern int wfd_out_session_initiate_request(struct wfd_session *);
+extern int wfd_out_session_resume(struct wfd_session *);
+extern int wfd_out_session_pause(struct wfd_session *);
+extern int wfd_out_session_teardown(struct wfd_session *);
+extern void wfd_out_session_end(struct wfd_session *);
+extern void wfd_out_session_distruct(struct wfd_session *);
+
+const struct wfd_session_vtable session_vtbl[] = {
+	[WFD_SESSION_DIR_OUT] = {
+		.initiate_io		= wfd_out_session_initiate_io,
+		.handle_io			= wfd_out_session_handle_io,
+		.initiate_request	= wfd_out_session_initiate_request,
+		.resume				= wfd_out_session_resume,
+		.pause				= wfd_out_session_pause,
+		.teardown			= wfd_out_session_teardown,
+		.end				= wfd_out_session_end,
+		.distruct			= wfd_out_session_distruct,
+	}
+};
+
 static inline int wfd_session_do_request(struct wfd_session *s,
 				enum rtsp_message_id id,
 				const struct wfd_arg_list *args,
@@ -45,7 +66,11 @@ static inline int wfd_session_do_request(struct wfd_session *s,
 	if(!rtsp_message_id_is_valid(id)) {
 		return -EINVAL;
 	}
-	assert(s->rtsp_disp_tbl[id].request);
+
+	if(!s->rtsp_disp_tbl[id].request) {
+		log_warning("!!! request not implemented !!!");
+		return -ENOTSUP;
+	}
 
 	return (*s->rtsp_disp_tbl[id].request)(s, args, out);
 }
@@ -58,7 +83,11 @@ static inline int wfd_session_do_handle_request(struct wfd_session *s,
 	if(!rtsp_message_id_is_valid(id)) {
 		return -EINVAL;
 	}
-	assert(s->rtsp_disp_tbl[id].handle_request);
+
+	if(!s->rtsp_disp_tbl[id].handle_request) {
+		log_warning("!!! request handler not implemented !!!");
+		return -ENOTSUP;
+	}
 
 	return (*s->rtsp_disp_tbl[id].handle_request)(s,
 					req,
@@ -102,11 +131,64 @@ static void wfd_session_set_state(struct wfd_session *s,
 	wfd_fn_session_properties_changed(s, "State");
 }
 
-int wfd_session_is_started(struct wfd_session *s)
+int wfd_session_is_established(struct wfd_session *s)
 {
 	assert(wfd_is_session(s));
 
-	return 0 != s->id;
+	return WFD_SESSION_STATE_ESTABLISHED <= s->state;
+}
+
+int wfd_session_resume(struct wfd_session *s)
+{
+	assert(wfd_is_session(s));
+
+	if(WFD_SESSION_STATE_PLAYING == s->state) {
+		return 0;
+	}
+	else if(WFD_SESSION_STATE_PAUSED != s->state) {
+		return -EINVAL;
+	}
+
+	if(!session_vtbl[s->dir].resume) {
+		return 0;
+	}
+
+	return session_vtbl[s->dir].resume(s);;
+}
+
+int wfd_session_pause(struct wfd_session *s)
+{
+	assert(wfd_is_session(s));
+
+	if(WFD_SESSION_STATE_PAUSED == s->state) {
+		return 0;
+	}
+	else if(WFD_SESSION_STATE_PLAYING != s->state) {
+		return -EINVAL;
+	}
+
+	if(!session_vtbl[s->dir].pause) {
+		return 0;
+	}
+
+	return session_vtbl[s->dir].pause(s);;
+}
+
+int wfd_session_teardown(struct wfd_session *s)
+{
+	assert(wfd_is_session(s));
+
+	if(wfd_session_is_established(s)) {
+		if(!session_vtbl[s->dir].teardown) {
+			return 0;
+		}
+
+		return session_vtbl[s->dir].teardown(s);;
+	}
+
+	wfd_session_end(s);
+
+	return 0;
 }
 
 void wfd_session_end(struct wfd_session *s)
@@ -121,7 +203,7 @@ void wfd_session_end(struct wfd_session *s)
 
 	wfd_session_set_state(s, WFD_SESSION_STATE_NULL);
 
-	(*session_vtables[s->dir].end)(s);
+	(*session_vtbl[s->dir].end)(s);
 
 	if(s->rtsp) {
 		rtsp_unref(s->rtsp);
@@ -160,8 +242,8 @@ void wfd_session_free(struct wfd_session *s)
 
 	wfd_session_end(s);
 
-	if(session_vtables[s->dir].distruct) {
-		(*session_vtables[s->dir].distruct)(s);
+	if(session_vtbl[s->dir].distruct) {
+		(*session_vtbl[s->dir].distruct)(s);
 	}
 
 	free(s);
@@ -479,7 +561,7 @@ static int wfd_session_handle_io(sd_event_source *source,
 	}
 
 	if (mask & EPOLLIN || mask & EPOLLOUT) {
-		r = (*session_vtables[s->dir].handle_io)(s, err, &conn);
+		r = (*session_vtbl[s->dir].handle_io)(s, err, &conn);
 		if(0 > r) {
 			goto end;
 		}
@@ -506,7 +588,7 @@ static int wfd_session_handle_io(sd_event_source *source,
 
 		wfd_session_set_state(s, WFD_SESSION_STATE_CAPS_EXCHANGING);
 
-		r = (*session_vtables[s->dir].initiate_request)(s);
+		r = (*session_vtbl[s->dir].initiate_request)(s);
 	}
 
 	if(mask & EPOLLHUP) {
@@ -530,11 +612,11 @@ int wfd_session_start(struct wfd_session *s, uint64_t id)
 	assert(wfd_is_session(s));
 	assert(id);
 
-	if(wfd_session_is_started(s)) {
+	if(WFD_SESSION_STATE_NULL != s->state) {
 		return -EINPROGRESS;
 	}
 
-	r = (*session_vtables[s->dir].initiate_io)(s, &fd, &mask);
+	r = (*session_vtbl[s->dir].initiate_io)(s, &fd, &mask);
 	if(0 > r) {
 		return r;
 	}
diff --git a/src/ctl/wfd-session.h b/src/ctl/wfd-session.h
index c3e6ed4..dd2111a 100644
--- a/src/ctl/wfd-session.h
+++ b/src/ctl/wfd-session.h
@@ -86,6 +86,9 @@ struct wfd_session_vtable
 	int (*initiate_io)(struct wfd_session *s, int *out_fd, uint32_t *out_mask);
 	int (*handle_io)(struct wfd_session *s, int error, int *out_fd);
 	int (*initiate_request)(struct wfd_session *s);
+	int (*resume)(struct wfd_session *);
+	int (*pause)(struct wfd_session *);
+	int (*teardown)(struct wfd_session *);
 	void (*end)(struct wfd_session *s);
 	void (*distruct)(struct wfd_session *s);
 };
@@ -118,6 +121,7 @@ int wfd_session_gen_stream_url(struct wfd_session *s,
 int wfd_session_request(struct wfd_session *s,
 				enum rtsp_message_id id,
 				const struct wfd_arg_list *args);
+void wfd_session_end(struct wfd_session *s);
 
 struct wfd_sink * wfd_out_session_get_sink(struct wfd_session *s);