FreeTDM: fix for SPIROU

           - adding freetdm_iam_fwd_ind_isdn_access_ind (value must be 0 or 1)
             to modify forward call indicator's ISDN access indicator value in
             transparent IAM

libs/freetdm/mod_freetdm/mod_freetdm.c

@@ -1523,13 +1523,16 @@ static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *sessi
 		caller_data.pres = FTDM_PRES_RESTRICTED;
 	}
 
+	if ((var = channel_get_variable(session, var_event, "freetdm_iam_fwd_ind_isdn_access_ind"))) {
+		ftdm_usrmsg_add_var(&usrmsg, "iam_fwd_ind_isdn_access_ind", var);
+	}
+
 	if ((var = channel_get_variable(session, var_event, "freetdm_iam_loc_pres"))) {
 		ftdm_usrmsg_add_var(&usrmsg, "iam_loc_pres", var);
 	}
 	if ((var = channel_get_variable(session, var_event, "freetdm_bearer_capability"))) {
 		caller_data.bearer_capability = (uint8_t)atoi(var);
 	}
-	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "freetdm_bearer_capability is set to %s \n", var );
 	
 	if ((var = channel_get_variable(session, var_event, "freetdm_bearer_layer1"))) {
 		caller_data.bearer_layer1 = (uint8_t)atoi(var);

libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_out.c

@@ -70,6 +70,9 @@ void ft_to_sngss7_iam (ftdm_channel_t * ftdmchan)
 
 		/* Location Number information */
 		copy_locPtyNum_to_sngss7(ftdmchan, &iam.cgPtyNum1);
+
+		/* Forward Call Indicators */
+		copy_fwdCallInd_to_sngss7(ftdmchan, &iam.fwdCallInd);
 	} else {
 		/* Nature of Connection Indicators */
 		copy_natConInd_to_sngss7(ftdmchan, &iam.natConInd);

libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c

@@ -763,6 +763,8 @@ ftdm_status_t copy_natConInd_to_sngss7(ftdm_channel_t *ftdmchan, SiNatConInd *na
 
 ftdm_status_t copy_fwdCallInd_to_sngss7(ftdm_channel_t *ftdmchan, SiFwdCallInd *fwdCallInd)
 {
+	const char *val = NULL;
+	int acc_val = ISDNACC_ISDN;
 	sngss7_chan_data_t	*sngss7_info = ftdmchan->call_data;
 	
 	fwdCallInd->eh.pres 				= PRSNT_NODEF;
@@ -779,7 +781,13 @@ ftdm_status_t copy_fwdCallInd_to_sngss7(ftdm_channel_t *ftdmchan, SiFwdCallInd *
 	fwdCallInd->isdnUsrPrtPrfInd.pres 	= PRSNT_NODEF;
 	fwdCallInd->isdnUsrPrtPrfInd.val 	= PREF_PREFAW;
 	fwdCallInd->isdnAccInd.pres 		= PRSNT_NODEF;
-	fwdCallInd->isdnAccInd.val 			= ISDNACC_ISDN;
+
+	val = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "iam_fwd_ind_isdn_access_ind");
+	if (!ftdm_strlen_zero(val)) {
+		acc_val = (int)atoi(val);
+	}
+
+	fwdCallInd->isdnAccInd.val 			= acc_val;
 	fwdCallInd->sccpMethInd.pres 		= PRSNT_NODEF;
 	fwdCallInd->sccpMethInd.val 		= SCCPMTH_NOIND;