freetdm: add bearer capability and layer1 pass-thru for boost

libs/freetdm/mod_freetdm/mod_freetdm.c

@@ -1221,7 +1221,21 @@ static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *sessi
 			caller_data.pres = (uint8_t)atoi(sipvar);
 		}
 	}
-	
+
+	if (session) {
+		/* take out some other values from the session if they're present */
+		switch_channel_t *channel = switch_core_session_get_channel(session);
+		const char *freetdmvar;
+		freetdmvar = switch_channel_get_variable(channel, "freetdm_bearer_capability");
+		if (freetdmvar) {
+			caller_data.bearer_capability = (uint8_t)atoi(freetdmvar);
+		}
+		freetdmvar = switch_channel_get_variable(channel, "freetdm_bearer_layer1");
+		if (freetdmvar) {
+			caller_data.bearer_layer1 = (uint8_t)atoi(freetdmvar);
+		}
+	}
+
 	if (switch_test_flag(outbound_profile, SWITCH_CPF_SCREEN)) {
 		caller_data.screen = 1;
 	}
@@ -1467,6 +1481,8 @@ ftdm_status_t ftdm_channel_from_event(ftdm_sigmsg_t *sigmsg, switch_core_session
 	switch_channel_set_variable(channel, "freetdm_span_name", ftdm_channel_get_span_name(sigmsg->channel));
 	switch_channel_set_variable_printf(channel, "freetdm_span_number", "%d", spanid);	
 	switch_channel_set_variable_printf(channel, "freetdm_chan_number", "%d", chanid);
+	switch_channel_set_variable_printf(channel, "freetdm_bearer_capability", "%d", channel_caller_data->bearer_capability);	
+	switch_channel_set_variable_printf(channel, "freetdm_bearer_layer1", "%d", channel_caller_data->bearer_layer1);
 	if (globals.sip_headers) {
 		switch_channel_set_variable(channel, "sip_h_X-FreeTDM-SpanName", ftdm_channel_get_span_name(sigmsg->channel));
 		switch_channel_set_variable_printf(channel, "sip_h_X-FreeTDM-SpanNumber", "%d", spanid);	

libs/freetdm/src/ftmod/ftmod_sangoma_boost/ftmod_sangoma_boost.c

@@ -427,6 +427,10 @@ static FIO_CHANNEL_REQUEST_FUNCTION(sangoma_boost_channel_request)
 	event.called.ton = caller_data->dnis.type;
 	event.called.npi = caller_data->dnis.plan;
 
+	/* we're making a contract now that FreeTDM values for capability, layer 1 and such will be the same as for boost */
+	event.bearer.capability = caller_data->bearer_capability;
+	event.bearer.uil1p = caller_data->bearer_layer1;
+
 	if (caller_data->raw_data_len) {
 		ftdm_set_string(event.custom_data, caller_data->raw_data);
 		event.custom_data_size = (uint16_t)caller_data->raw_data_len;
@@ -1055,6 +1059,9 @@ tryagain:
 	ftdmchan->caller_data.screen = event->calling.screening_ind;
 	ftdmchan->caller_data.pres = event->calling.presentation_ind;
 
+	ftdmchan->caller_data.bearer_capability = event->bearer.capability;
+	ftdmchan->caller_data.bearer_layer1 = event->bearer.uil1p;
+
 	/* more info about custom data: http://www.ss7box.com/smg_manual.html#ISUP-IN-RDNIS-NEW */
 	if (event->custom_data_size) {
 		char* p = NULL;

libs/freetdm/src/include/freetdm.h

@@ -254,6 +254,11 @@ typedef struct ftdm_caller_data {
 	int hangup_cause; /*!< Hangup cause */
 	char raw_data[1024]; /*!< Protocol specific raw caller data */
 	uint32_t raw_data_len; /* !< Raw data length */
+	/* these 2 are undocumented right now, only used by boost: */
+	/* bearer capability */
+	uint8_t bearer_capability;
+	/* user information layer 1 protocol */
+	uint8_t bearer_layer1;
 } ftdm_caller_data_t;
 
 /*! \brief Tone type */