diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index f02c9c48db..1ede703a41 100644
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -1751,7 +1751,7 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_open_chan(ftdm_channel_t *ftdmchan)
 		goto done;
 	}
 
-	if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_IN_ALARM)) {
+	if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_IN_ALARM) && !ftdm_test_flag(ftdmchan->span, FTDM_SPAN_PWR_SAVING)) {
 		snprintf(ftdmchan->last_error, sizeof(ftdmchan->last_error), "%s", "Channel is alarmed\n");
 		ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Cannot open channel when is alarmed\n");
 		goto done;
@@ -3927,6 +3927,11 @@ static ftdm_status_t ftdm_set_channels_alarms(ftdm_span_t *span, int currindex)
 			ftdm_log(FTDM_LOG_ERROR, "%d:%d: Failed to get alarms\n", span->channels[chan_index]->physical_span_id, span->channels[chan_index]->physical_chan_id);
 			return FTDM_FAIL;
 		}
+		if (span->channels[chan_index]->alarm_flags) {
+			ftdm_set_flag_locked(span->channels[chan_index], FTDM_CHANNEL_IN_ALARM);
+		} else {
+			ftdm_clear_flag_locked(span->channels[chan_index], FTDM_CHANNEL_IN_ALARM);
+		}
 	}
 	return FTDM_SUCCESS;
 }
diff --git a/libs/freetdm/src/ftmod/ftmod_isdn/ftmod_isdn.c b/libs/freetdm/src/ftmod/ftmod_isdn/ftmod_isdn.c
index 65c9dfc11f..d64e711e73 100644
--- a/libs/freetdm/src/ftmod/ftmod_isdn/ftmod_isdn.c
+++ b/libs/freetdm/src/ftmod/ftmod_isdn/ftmod_isdn.c
@@ -53,7 +53,6 @@
 //#define IODEBUG
 
 /* helper macros */
-#define FTDM_SPAN_IS_BRI(x)	((x)->trunk_type == FTDM_TRUNK_BRI || (x)->trunk_type == FTDM_TRUNK_BRI_PTMP)
 #define FTDM_SPAN_IS_NT(x)	(((ftdm_isdn_data_t *)(x)->signal_data)->mode == Q921_NT)
 
 
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
index 22c89cb920..39231a0f39 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c
@@ -47,6 +47,7 @@ static ftdm_status_t ftdm_sangoma_isdn_start(ftdm_span_t *span);
 
 ftdm_channel_t* ftdm_sangoma_isdn_process_event_states(ftdm_span_t *span, sngisdn_event_data_t *sngisdn_event);
 static void ftdm_sangoma_isdn_advance_chan_states(ftdm_channel_t *ftdmchan);
+static void ftdm_sangoma_isdn_poll_events(ftdm_span_t *span);
 
 static void ftdm_sangoma_isdn_process_state_change(ftdm_channel_t *ftdmchan);
 static void ftdm_sangoma_isdn_process_stack_event (ftdm_span_t *span, sngisdn_event_data_t *sngisdn_event);
@@ -238,6 +239,50 @@ static __inline__ void ftdm_sangoma_isdn_advance_chan_states(ftdm_channel_t *ftd
 	}
 }
 
+static void ftdm_sangoma_isdn_poll_events(ftdm_span_t *span)
+{
+	ftdm_status_t		ret_status;
+	ftdm_channel_t *ftdmchan;
+	ftdm_iterator_t *chaniter = NULL;
+	ftdm_iterator_t *curr = NULL;
+	
+	ret_status = ftdm_span_poll_event(span, 0, NULL);
+	switch(ret_status) {
+		case FTDM_SUCCESS:
+			{
+				ftdm_event_t *event;
+				while (ftdm_span_next_event(span, &event) == FTDM_SUCCESS) {
+					
+					if (FTDM_SPAN_IS_BRI(span)) {
+						switch (event->enum_id) {
+							/* Check if the span woke up from power-saving mode */
+							case FTDM_OOB_ALARM_CLEAR:
+							{
+								chaniter = ftdm_span_get_chan_iterator(span, NULL);
+								for (curr = chaniter; curr; curr = ftdm_iterator_next(curr)) {
+									ftdmchan = (ftdm_channel_t*)ftdm_iterator_current(curr);
+									sngisdn_chan_data_t *sngisdn_info = ftdmchan->call_data;
+									
+									if (ftdm_test_flag(sngisdn_info, FLAG_ACTIVATING)) {
+										ftdm_clear_flag(sngisdn_info, FLAG_ACTIVATING);
+										sngisdn_snd_setup((ftdm_channel_t*)ftdmchan);
+									}
+								}
+								ftdm_iterator_free(chaniter);
+							}
+						}
+					}
+				}
+			}
+			break;
+		case FTDM_TIMEOUT:
+			/* No events pending */
+			break;
+		default:
+			ftdm_log(FTDM_LOG_WARNING, "%s:Failed to poll span event\n", span->name);
+	}
+}
+
 static void *ftdm_sangoma_isdn_run(ftdm_thread_t *me, void *obj)
 {
 	ftdm_interrupt_t	*ftdm_sangoma_isdn_int[2];
@@ -300,21 +345,8 @@ static void *ftdm_sangoma_isdn_run(ftdm_thread_t *me, void *obj)
 		}
 
 		/* Poll for events, e.g HW DTMF */
-		ret_status = ftdm_span_poll_event(span, 0, NULL);
-		switch(ret_status) {
-			case FTDM_SUCCESS:
-				{
-					ftdm_event_t *event;
-					while (ftdm_span_next_event(span, &event) == FTDM_SUCCESS);
-				}
-				break;
-			case FTDM_TIMEOUT:
-				/* No events pending */
-				break;
-			default:
-				ftdm_log(FTDM_LOG_WARNING, "%s:Failed to poll span event\n", span->name);
-		}
-			
+		ftdm_sangoma_isdn_poll_events(span);
+		
 		if (ftdm_sched_get_time_to_next_timer(signal_data->sched, &sleep) == FTDM_SUCCESS) {
 			if (sleep < 0 || sleep > SNGISDN_EVENT_POLL_RATE) {
 				sleep = SNGISDN_EVENT_POLL_RATE;
@@ -498,8 +530,20 @@ static void ftdm_sangoma_isdn_process_state_change(ftdm_channel_t *ftdmchan)
 		}
 		break;
 	case FTDM_CHANNEL_STATE_DIALING: /* outgoing call request */
-		{
-			sngisdn_snd_setup(ftdmchan);
+		{			
+			if (FTDM_SPAN_IS_BRI(ftdmchan->span) &&
+				ftdm_test_flag(ftdmchan, FTDM_CHANNEL_IN_ALARM) &&
+				ftdm_test_flag(ftdmchan->span, FTDM_SPAN_PWR_SAVING)) {
+
+				sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
+				
+				ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Requesting Line activation\n");
+				sngisdn_set_flag(sngisdn_info, FLAG_ACTIVATING);
+				sng_isdn_wake_up_phy(ftdmchan->span);
+				ftdm_sched_timer(signal_data->sched, "timer_t3", signal_data->timer_t3*1000, sngisdn_t3_timeout, (void*) sngisdn_info, NULL);
+			} else {
+				sngisdn_snd_setup(ftdmchan);
+			}
 		}
 		break;
 	case FTDM_CHANNEL_STATE_PROGRESS:
@@ -856,8 +900,7 @@ static FIO_CONFIGURE_SPAN_SIGNALING_FUNCTION(ftdm_sangoma_isdn_span_config)
 
 	if (span->trunk_type == FTDM_TRUNK_BRI_PTMP ||
 		span->trunk_type == FTDM_TRUNK_BRI) {
-
-		ftdm_set_flag(span, FTDM_SPAN_USE_AV_RATE);
+		
 		sng_isdn_set_avail_rate(span, SNGISDN_AVAIL_PWR_SAVING);
 	}
 
@@ -914,7 +957,7 @@ static FIO_SIG_LOAD_FUNCTION(ftdm_sangoma_isdn_init)
 	
 	/* initalize sng_isdn library */
 
-	ftdm_assert_return(!sng_isdn_init(&g_sngisdn_event_interface), FTDM_FAIL, "Failed to initialize stack\n");	
+	ftdm_assert_return(!sng_isdn_init(&g_sngisdn_event_interface), FTDM_FAIL, "Failed to initialize stack\n");
 	return FTDM_SUCCESS;
 }
 
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
index e84392e22a..a3d48a8e11 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
@@ -74,6 +74,7 @@ typedef enum {
 	FLAG_DELAYED_REL        = (1 << 7),
 	FLAG_SENT_PROCEED       = (1 << 8),
 	FLAG_SEND_DISC  		= (1 << 9),
+	FLAG_ACTIVATING			= (1 << 10), /* Used for BRI only, flag is set after we request line CONNECTED */
 } sngisdn_flag_t;
 
 
@@ -181,6 +182,7 @@ typedef struct sngisdn_span_data {
 	uint8_t			facility;
 	int8_t			facility_timeout;
 	uint8_t			num_local_numbers;
+	uint8_t			timer_t3;
 	char*			local_numbers[SNGISDN_NUM_LOCAL_NUMBERS];
 	ftdm_sched_t 	*sched;
 	ftdm_queue_t 	*event_queue;
@@ -368,11 +370,13 @@ void sngisdn_delayed_release(void* p_sngisdn_info);
 void sngisdn_delayed_connect(void* p_sngisdn_info);
 void sngisdn_delayed_disconnect(void* p_sngisdn_info);
 void sngisdn_facility_timeout(void* p_sngisdn_info);
+void sngisdn_t3_timeout(void* p_sngisdn_info);
 
 /* Stack management functions */
 ftdm_status_t sng_isdn_stack_cfg(ftdm_span_t *span);
 ftdm_status_t sng_isdn_stack_start(ftdm_span_t *span);
 ftdm_status_t sng_isdn_stack_stop(ftdm_span_t *span);
+ftdm_status_t sng_isdn_wake_up_phy(ftdm_span_t *span);
 
 void sngisdn_print_phy_stats(ftdm_stream_handle_t *stream, ftdm_span_t *span);
 void sngisdn_print_spans(ftdm_stream_handle_t *stream);
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c
index 64d7a2403f..18ca9c38dd 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c
@@ -98,6 +98,8 @@ ftdm_status_t parse_switchtype(const char* switch_name, ftdm_span_t *span)
 				ftdm_log(FTDM_LOG_ERROR, "%s:Unsupported switchtype %s for trunktype:%s\n", span->name, switch_name, ftdm_trunk_type2str(span->trunk_type));
 				return FTDM_FAIL;
 			}
+			ftdm_set_flag(span, FTDM_SPAN_USE_AV_RATE);
+			ftdm_set_flag(span, FTDM_SPAN_PWR_SAVING);
 			 /* can be > 1 for some BRI variants */
 			break;
 		default:
@@ -179,6 +181,7 @@ ftdm_status_t ftmod_isdn_parse_cfg(ftdm_conf_parameter_t *ftdm_parameters, ftdm_
 	signal_data->min_digits = 8;
 	signal_data->overlap_dial = SNGISDN_OPT_DEFAULT;
 	signal_data->setup_arb = SNGISDN_OPT_DEFAULT;
+	signal_data->timer_t3 = 8;
 
 	signal_data->link_id = span->span_id;
 	span->default_caller_data.bearer_capability = IN_ITC_SPEECH;
@@ -189,6 +192,7 @@ ftdm_status_t ftmod_isdn_parse_cfg(ftdm_conf_parameter_t *ftdm_parameters, ftdm_
 	if (span->trunk_type == FTDM_TRUNK_BRI ||
 		span->trunk_type == FTDM_TRUNK_BRI_PTMP) {
 
+		
 		ftdm_span_set_npi("unknown", &span->default_caller_data.dnis.plan);
 		ftdm_span_set_ton("unknown", &span->default_caller_data.dnis.type);
 		ftdm_span_set_npi("unknown", &span->default_caller_data.cid_num.plan);
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_cntrl.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_cntrl.c
index 27c16c2a51..bfc00d07ba 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_cntrl.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_cntrl.c
@@ -113,6 +113,40 @@ ftdm_status_t sng_isdn_stack_stop(ftdm_span_t *span)
 }
 
 
+ftdm_status_t sng_isdn_wake_up_phy(ftdm_span_t *span)
+{
+	L1Mngmt cntrl;
+	Pst pst;
+
+	sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*)span->signal_data;
+
+	/* initalize the post structure */
+	stack_pst_init(&pst);
+
+	/* insert the destination Entity */
+	pst.dstEnt = ENTL1;
+
+	/* initalize the control structure */
+	memset(&cntrl, 0, sizeof(cntrl));
+
+	/* initalize the control header */
+	stack_hdr_init(&cntrl.hdr);
+
+	cntrl.hdr.msgType = TCNTRL;			/* configuration */
+	cntrl.hdr.entId.ent = ENTL1;		/* entity */
+	cntrl.hdr.entId.inst = S_INST;		/* instance */
+	cntrl.hdr.elmId.elmnt = STTSAP;		/* SAP Specific cntrl */
+
+	cntrl.t.cntrl.action = AENA;
+	cntrl.t.cntrl.subAction = SAELMNT;
+	cntrl.t.cntrl.sapId = signal_data->link_id;
+	
+	if (sng_isdn_phy_cntrl(&pst, &cntrl)) {
+		return FTDM_FAIL;
+	}
+	return FTDM_SUCCESS;
+}
+
 ftdm_status_t sng_isdn_activate_phy(ftdm_span_t *span)
 {
 
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c
index 3284d54165..425c281a94 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_stack_out.c
@@ -38,13 +38,6 @@ extern ftdm_status_t cpy_calling_num_from_user(CgPtyNmb *cgPtyNmb, ftdm_caller_d
 extern ftdm_status_t cpy_called_num_from_user(CdPtyNmb *cdPtyNmb, ftdm_caller_data_t *ftdm);
 extern ftdm_status_t cpy_calling_name_from_user(ConEvnt *conEvnt, ftdm_channel_t *ftdmchan);
 
-void sngisdn_snd_setup(ftdm_channel_t *ftdmchan);
-void sngisdn_snd_proceed(ftdm_channel_t *ftdmchan);
-void sngisdn_snd_progress(ftdm_channel_t *ftdmchan);
-void sngisdn_snd_connect(ftdm_channel_t *ftdmchan);
-void sngisdn_snd_disconnect(ftdm_channel_t *ftdmchan);
-void sngisdn_snd_release(ftdm_channel_t *ftdmchan, uint8_t glare);
-
 
 void sngisdn_snd_setup(ftdm_channel_t *ftdmchan)
 {
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c
index f54f7db61c..5987823283 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_support.c
@@ -382,6 +382,28 @@ ftdm_status_t cpy_calling_name_from_user(ConEvnt *conEvnt, ftdm_channel_t *ftdmc
 	return FTDM_SUCCESS;
 }
 
+void sngisdn_t3_timeout(void* p_sngisdn_info)
+{
+	sngisdn_chan_data_t *sngisdn_info = (sngisdn_chan_data_t*)p_sngisdn_info;
+	ftdm_channel_t *ftdmchan = sngisdn_info->ftdmchan;
+	sngisdn_span_data_t *signal_data = (sngisdn_span_data_t*) ftdmchan->span->signal_data;
+
+	ftdm_log_chan(ftdmchan, FTDM_LOG_DEBUG, "Timer T3 expired (suId:%d suInstId:%u spInstId:%u)\n",
+				  signal_data->cc_id, sngisdn_info->glare.spInstId, sngisdn_info->glare.suInstId);
+	ftdm_mutex_lock(ftdmchan->mutex);
+	if (ftdm_test_flag(sngisdn_info, FLAG_ACTIVATING)){
+		/* PHY layer timed-out, need to clear the call */
+		ftdm_log_chan(ftdmchan, FTDM_LOG_INFO, "Failed to Wake-Up line (suId:%d suInstId:%u spInstId:%u)\n",
+					  signal_data->cc_id, sngisdn_info->glare.spInstId, sngisdn_info->glare.suInstId);
+
+		ftdmchan->caller_data.hangup_cause = FTDM_CAUSE_NO_ROUTE_DESTINATION;
+		ftdm_clear_flag(sngisdn_info, FLAG_ACTIVATING);
+		ftdm_set_flag(sngisdn_info, FLAG_LOCAL_ABORT);
+		ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_TERMINATING);
+	}	
+	ftdm_mutex_unlock(ftdmchan->mutex);
+}
+
 void sngisdn_delayed_release(void* p_sngisdn_info)
 {
 	sngisdn_chan_data_t *sngisdn_info = (sngisdn_chan_data_t*)p_sngisdn_info;	
diff --git a/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c b/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c
index e2d85f7ea1..b95b34d2d2 100644
--- a/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c
+++ b/libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c
@@ -1011,13 +1011,15 @@ static FIO_GET_ALARMS_FUNCTION(wanpipe_get_alarms)
 	}
 	alarms = tdm_api.wp_tdm_cmd.fe_alarms;
 #endif
-#if 1 
-	/* DAVIDY - Temporary fix: in the current trunk of libsangoma, for BRI, 
+#ifdef WIN32
+	/* Temporary fix: in the current trunk of libsangoma, for BRI,
 		WAN_TE_BIT_ALARM_RED bit is set if the card is in disconnected state, but this has
 		not been ported to Windows-libsangoma yet */
-	if (alarms) {
-		ftdmchan->alarm_flags |= FTDM_ALARM_RED;
-		alarms = 0;
+	if (FTDM_SPAN_IS_BRI(ftdmchan->span)) {
+		if (alarms) {
+			ftdmchan->alarm_flags |= FTDM_ALARM_RED;
+			alarms = 0;
+		}
 	}
 #endif
 
@@ -1027,6 +1029,7 @@ static FIO_GET_ALARMS_FUNCTION(wanpipe_get_alarms)
 		ftdmchan->alarm_flags |= FTDM_ALARM_RED;
 		alarms &= ~WAN_TE_BIT_ALARM_RED;
 	}
+		
 
 	if (alarms & WAN_TE_BIT_ALARM_AIS) {
 		ftdmchan->alarm_flags |= FTDM_ALARM_BLUE;
diff --git a/libs/freetdm/src/include/private/ftdm_core.h b/libs/freetdm/src/include/private/ftdm_core.h
index 8bdbdd60f8..dbf108020b 100644
--- a/libs/freetdm/src/include/private/ftdm_core.h
+++ b/libs/freetdm/src/include/private/ftdm_core.h
@@ -222,6 +222,8 @@ extern "C" {
 
 #define ftdm_is_dtmf(key)  ((key > 47 && key < 58) || (key > 64 && key < 69) || (key > 96 && key < 101) || key == 35 || key == 42 || key == 87 || key == 119)
 
+#define FTDM_SPAN_IS_BRI(x)     ((x)->trunk_type == FTDM_TRUNK_BRI || (x)->trunk_type == FTDM_TRUNK_BRI_PTMP)
+
 /*!
   \brief Copy flags from one arbitrary object to another
   \command dest the object to copy the flags to
diff --git a/libs/freetdm/src/include/private/ftdm_types.h b/libs/freetdm/src/include/private/ftdm_types.h
index bddefd9be6..78ac8f63eb 100644
--- a/libs/freetdm/src/include/private/ftdm_types.h
+++ b/libs/freetdm/src/include/private/ftdm_types.h
@@ -176,10 +176,11 @@ typedef enum {
 	FTDM_SPAN_USE_CHAN_QUEUE = (1 << 6),
 	FTDM_SPAN_SUGGEST_CHAN_ID = (1 << 7),
 	FTDM_SPAN_USE_AV_RATE = (1 << 8),
+	FTDM_SPAN_PWR_SAVING = (1 << 9),
 	/* If you use this flag, you MUST call ftdm_span_trigger_signals to deliver the user signals
 	 * after having called ftdm_send_span_signal(), which with this flag it will just enqueue the signal
 	 * for later delivery */
-	FTDM_SPAN_USE_SIGNALS_QUEUE = (1 << 9),
+	FTDM_SPAN_USE_SIGNALS_QUEUE = (1 << 10),
 } ftdm_span_flag_t;
 
 /*! \brief Channel supported features */