diff --git a/libs/freetdm/mod_freetdm/mod_freetdm.c b/libs/freetdm/mod_freetdm/mod_freetdm.c
index b42a13b278..7f18b1f2d4 100755
--- a/libs/freetdm/mod_freetdm/mod_freetdm.c
+++ b/libs/freetdm/mod_freetdm/mod_freetdm.c
@@ -4251,7 +4251,9 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_freetdm_load)
 	switch_console_set_complete("add ftdm gains");
 	switch_console_set_complete("add ftdm dtmf on");
 	switch_console_set_complete("add ftdm dtmf off");
-
+	switch_console_set_complete("add ftdm core state");
+	switch_console_set_complete("add ftdm core flag");
+	switch_console_set_complete("add ftdm core calls");
 
 	SWITCH_ADD_APP(app_interface, "disable_ec", "Disable Echo Canceller", "Disable Echo Canceller", disable_ec_function, "", SAF_NONE);
 	SWITCH_ADD_APP(app_interface, "disable_dtmf", "Disable DTMF Detection", "Disable DTMF Detection", disable_dtmf_function, "", SAF_NONE);
diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index 59615b4c75..260892ada0 100644
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -5419,6 +5419,7 @@ FT_DECLARE(ftdm_status_t) ftdm_span_send_signal(ftdm_span_t *span, ftdm_sigmsg_t
 		sigmsg->chan_id = sigmsg->channel->chan_id;
 		sigmsg->span_id = sigmsg->channel->span_id;
 		sigmsg->call_id = sigmsg->channel->caller_data.call_id;
+		sigmsg->call_priv = sigmsg->channel->caller_data.priv;
 	}
 	
 	/* some core things to do on special events */
@@ -5450,10 +5451,6 @@ FT_DECLARE(ftdm_status_t) ftdm_span_send_signal(ftdm_span_t *span, ftdm_sigmsg_t
 			}
 			ftdm_set_flag(sigmsg->channel, FTDM_CHANNEL_CALL_STARTED);
 			ftdm_call_set_call_id(sigmsg->channel, &sigmsg->channel->caller_data);
-			if (sigmsg->channel->dtmfdbg.requested) {
-				ftdm_channel_command(sigmsg->channel, FTDM_COMMAND_ENABLE_DEBUG_DTMF, NULL);
-			}
-
 			/* when cleaning up the public API I added this because mod_freetdm.c on_fxs_signal was
 			* doing it during SIGEVENT_START, but now that flags are private they can't, wonder if
 			* is needed at all?
diff --git a/libs/freetdm/src/ftmod/ftmod_r2/ftmod_r2.c b/libs/freetdm/src/ftmod/ftmod_r2/ftmod_r2.c
index d86fb43195..4265c9b8fa 100644
--- a/libs/freetdm/src/ftmod/ftmod_r2/ftmod_r2.c
+++ b/libs/freetdm/src/ftmod/ftmod_r2/ftmod_r2.c
@@ -676,12 +676,6 @@ static void ftdm_r2_on_call_offered(openr2_chan_t *r2chan, const char *ani, cons
 	ftdm_log_chan(ftdmchan, FTDM_LOG_NOTICE, "Call offered with ANI = %s, DNIS = %s, Category = %d, ANI restricted = %s\n", 
 			ani, dnis, category, ani_restricted ? "Yes" : "No");
 
-	/* nothing went wrong during call setup, MF has ended, we can and must disable the MF dump */
-	if (r2data->mf_dump_size) {
-		ftdm_channel_command(ftdmchan, FTDM_COMMAND_DISABLE_INPUT_DUMP, NULL);
-		ftdm_channel_command(ftdmchan, FTDM_COMMAND_DISABLE_OUTPUT_DUMP, NULL);
-	}
-
 	/* check if this is a collect call and if we should accept it */
 	if (!r2data->allow_collect_calls && category == OR2_CALLING_PARTY_CATEGORY_COLLECT_CALL) {
 		ftdm_log_chan_msg(ftdmchan, FTDM_LOG_NOTICE, "Rejecting collect call\n");
@@ -725,9 +719,10 @@ static void dump_mf(openr2_chan_t *r2chan)
 	if (r2data->mf_dump_size) {
 		char *logname = R2CALL(ftdmchan)->logname;
 		
-		ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Dumping IO output in prefix %s\n", logname);
-		snprintf(dfile, sizeof(dfile), logname ? "%s.s%dc%d.input.alaw" : "%s/s%dc%d.input.alaw", 
-				logname ? logname : r2data->logdir, ftdmchan->span_id, ftdmchan->chan_id);
+		ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Dumping IO output in prefix %s\n", !ftdm_strlen_zero(logname)
+				? logname : r2data->logdir);
+		snprintf(dfile, sizeof(dfile), !ftdm_strlen_zero(logname) ? "%s.s%dc%d.input.alaw" : "%s/s%dc%d.input.alaw", 
+				!ftdm_strlen_zero(logname) ? logname : r2data->logdir, ftdmchan->span_id, ftdmchan->chan_id);
 		f = fopen(dfile, "wb");
 		if (f) {
 			ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Dumping IO input in file %s\n", dfile);
@@ -737,8 +732,8 @@ static void dump_mf(openr2_chan_t *r2chan)
 			ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Could not dump IO input in file %s, error: %s", dfile, strerror(errno));
 		}
 
-		snprintf(dfile, sizeof(dfile), logname ? "%s.s%dc%d.output.alaw" : "%s/s%dc%d.output.alaw", 
-				logname ? logname : r2data->logdir, ftdmchan->span_id, ftdmchan->chan_id);
+		snprintf(dfile, sizeof(dfile), !ftdm_strlen_zero(logname) ? "%s.s%dc%d.output.alaw" : "%s/s%dc%d.output.alaw", 
+				!ftdm_strlen_zero(logname) ? logname : r2data->logdir, ftdmchan->span_id, ftdmchan->chan_id);
 		f = fopen(dfile, "wb");
 		if (f) {
 			ftdm_log_chan(ftdmchan, FTDM_LOG_ERROR, "Dumping IO output in file %s\n", dfile);
@@ -769,6 +764,12 @@ static void ftdm_r2_on_call_accepted(openr2_chan_t *r2chan, openr2_call_mode_t m
 	
 	R2CALL(ftdmchan)->accepted = 1;
 
+	/* nothing went wrong during call setup, MF has ended, we can and must disable the MF dump */
+	if (r2data->mf_dump_size) {
+		ftdm_channel_command(ftdmchan, FTDM_COMMAND_DISABLE_INPUT_DUMP, NULL);
+		ftdm_channel_command(ftdmchan, FTDM_COMMAND_DISABLE_OUTPUT_DUMP, NULL);
+	}
+
 	if (OR2_DIR_BACKWARD == openr2_chan_get_direction(r2chan)) {
 		if (R2CALL(ftdmchan)->answer_pending) {
 			ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "Answer was pending, answering now.\n");
@@ -777,11 +778,6 @@ static void ftdm_r2_on_call_accepted(openr2_chan_t *r2chan, openr2_call_mode_t m
 			return;
 		}
 	} else {
-		/* nothing went wrong during call setup, MF has ended, we can and must disable the MF dump */
-		if (r2data->mf_dump_size) {
-			ftdm_channel_command(ftdmchan, FTDM_COMMAND_DISABLE_INPUT_DUMP, NULL);
-			ftdm_channel_command(ftdmchan, FTDM_COMMAND_DISABLE_OUTPUT_DUMP, NULL);
-		}
 		ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_PROGRESS_MEDIA);
 	}
 }
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 5702b72fa2..608b0b6ac0 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
@@ -912,9 +912,6 @@ static FIO_CHANNEL_OUTGOING_CALL_FUNCTION(ftdm_sangoma_isdn_outgoing_call)
 	sngisdn_chan_data_t  *sngisdn_info = ftdmchan->call_data;
 	ftdm_status_t status = FTDM_FAIL;	
 	
-	/* lock the channel while we check whether it is availble */
-	ftdm_channel_lock(ftdmchan);
-
 	switch (ftdmchan->state) {
 
 		case FTDM_CHANNEL_STATE_DOWN:
@@ -939,10 +936,9 @@ static FIO_CHANNEL_OUTGOING_CALL_FUNCTION(ftdm_sangoma_isdn_outgoing_call)
 			ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Outgoing call requested channel in already in use\n");
 			status = FTDM_BREAK;
 		}
-		break;		  
+		break;
 	}
 
-	ftdm_channel_unlock(ftdmchan);
 	return status;
 }
 static FIO_CHANNEL_GET_SIG_STATUS_FUNCTION(ftdm_sangoma_isdn_get_chan_sig_status)
diff --git a/libs/freetdm/src/include/freetdm.h b/libs/freetdm/src/include/freetdm.h
index bb4b08b1a6..ef7843e5cc 100644
--- a/libs/freetdm/src/include/freetdm.h
+++ b/libs/freetdm/src/include/freetdm.h
@@ -554,6 +554,7 @@ struct ftdm_sigmsg {
 	uint32_t chan_id; /*!< easy access to chan id */
 	uint32_t span_id; /*!< easy access to span_id */
 	uint32_t call_id; /*!< unique call id for this call */
+	void *call_priv; /*!< Private data for the FreeTDM user from ftdm_caller_data->priv */
 	union {
 		ftdm_event_sigstatus_t sigstatus; /*!< valid if event_id is FTDM_SIGEVENT_SIGSTATUS_CHANGED */
 		ftdm_event_trace_t trace;	/*!< valid if event_id is FTDM_SIGEVENT_TRACE or FTDM_SIGEVENT_TRACE_RAW */
diff --git a/libs/freetdm/src/include/private/ftdm_core.h b/libs/freetdm/src/include/private/ftdm_core.h
index 07717a4ea2..0de52727da 100644
--- a/libs/freetdm/src/include/private/ftdm_core.h
+++ b/libs/freetdm/src/include/private/ftdm_core.h
@@ -705,6 +705,9 @@ FT_DECLARE(void) ftdm_call_clear_data(ftdm_caller_data_t *caller_data);
 			if (!ftdm_test_flag((fchan), FTDM_CHANNEL_MEDIA)) { \
 				ftdm_set_flag((fchan), FTDM_CHANNEL_MEDIA); \
 				ftdm_set_echocancel_call_begin((fchan)); \
+				if ((fchan)->dtmfdbg.requested) { \
+					ftdm_channel_command((fchan), FTDM_COMMAND_ENABLE_DEBUG_DTMF, NULL); \
+				} \
 			} \
 		} while (0);