void ft_to_sngss7_acm (ftdm_channel_t * ftdmchan)
{
    SS7_FUNC_TRACE_ENTER (__FUNCTION__);

    sngss7_chan_data_t	*sngss7_info = ftdmchan->call_data;
    SiCnStEvnt acm;

    memset (&acm, 0x0, sizeof (acm));

    /* fill in the needed information for the ACM */
    acm.bckCallInd.eh.pres 				= PRSNT_NODEF;
    acm.bckCallInd.chrgInd.pres			= PRSNT_NODEF;
    acm.bckCallInd.chrgInd.val			= CHRG_CHRG;
    acm.bckCallInd.cadPtyStatInd.pres	= PRSNT_NODEF;
    acm.bckCallInd.cadPtyStatInd.val	= 0x01;
    acm.bckCallInd.cadPtyCatInd.pres	= PRSNT_NODEF;
    acm.bckCallInd.cadPtyCatInd.val		= CADCAT_ORDSUBS;
    acm.bckCallInd.end2EndMethInd.pres	= PRSNT_NODEF;
    acm.bckCallInd.end2EndMethInd.val	= E2EMTH_NOMETH;
    acm.bckCallInd.intInd.pres			= PRSNT_NODEF;
    acm.bckCallInd.intInd.val 			= INTIND_NOINTW;
    acm.bckCallInd.end2EndInfoInd.pres	= PRSNT_NODEF;
    acm.bckCallInd.end2EndInfoInd.val	= E2EINF_NOINFO;
    acm.bckCallInd.isdnUsrPrtInd.pres	= PRSNT_NODEF;
    acm.bckCallInd.isdnUsrPrtInd.val	= ISUP_USED;
    acm.bckCallInd.holdInd.pres			= PRSNT_NODEF;
    acm.bckCallInd.holdInd.val			= HOLD_NOTREQD;
    acm.bckCallInd.isdnAccInd.pres		= PRSNT_NODEF;
    acm.bckCallInd.isdnAccInd.val		= ISDNACC_NONISDN;
    acm.bckCallInd.echoCtrlDevInd.pres	= PRSNT_NODEF;
    switch (ftdmchan->caller_data.bearer_capability) {
    /**********************************************************************/
    case (FTDM_BEARER_CAP_SPEECH):
        acm.bckCallInd.echoCtrlDevInd.val	= 0x1;
        break;
    /**********************************************************************/
    case (FTDM_BEARER_CAP_UNRESTRICTED):
        acm.bckCallInd.echoCtrlDevInd.val	= 0x0;
        break;
    /**********************************************************************/
    case (FTDM_BEARER_CAP_3_1KHZ_AUDIO):
        acm.bckCallInd.echoCtrlDevInd.val	= 0x1;
        break;
    /**********************************************************************/
    default:
        SS7_ERROR_CHAN(ftdmchan, "Unknown Bearer capability falling back to speech%s\n", " ");
        acm.bckCallInd.echoCtrlDevInd.val	= 0x1;
        break;
        /**********************************************************************/
    } /* switch (ftdmchan->caller_data.bearer_capability) */
    acm.bckCallInd.sccpMethInd.pres		= PRSNT_NODEF;
    acm.bckCallInd.sccpMethInd.val		= SCCPMTH_NOIND;

    /* fill in any optional parameters */
    if (sngss7_test_options(&g_ftdm_sngss7_data.cfg.isupCkt[sngss7_info->circuit->id], SNGSS7_ACM_OBCI_BITA)) {
        SS7_DEBUG_CHAN(ftdmchan, "Found ACM_OBCI_BITA flag:0x%X\n", g_ftdm_sngss7_data.cfg.isupCkt[sngss7_info->circuit->id].options);
        acm.optBckCalInd.eh.pres				= PRSNT_NODEF;
        acm.optBckCalInd.inbndInfoInd.pres		= PRSNT_NODEF;
        acm.optBckCalInd.inbndInfoInd.val		= 0x1;
        acm.optBckCalInd.caFwdMayOcc.pres		= PRSNT_DEF;
        acm.optBckCalInd.simpleSegmInd.pres		= PRSNT_DEF;
        acm.optBckCalInd.mlppUserInd.pres		= PRSNT_DEF;
        acm.optBckCalInd.usrNetIneractInd.pres	= PRSNT_DEF;
    } /* if (sngss7_test_options(isup_intf, SNGSS7_ACM_OBCI_BITA)) */

    /* send the ACM request to LibSngSS7 */
    sng_cc_con_status  (1,
                        sngss7_info->suInstId,
                        sngss7_info->spInstId,
                        sngss7_info->circuit->id,
                        &acm,
                        ADDRCMPLT);

    SS7_INFO_CHAN(ftdmchan,"[CIC:%d]Tx ACM\n", sngss7_info->circuit->cic);

    SS7_FUNC_TRACE_EXIT (__FUNCTION__);
    return;
}
/* FUNCTIONS ******************************************************************/
void ft_to_sngss7_iam (ftdm_channel_t * ftdmchan)
{
	SS7_FUNC_TRACE_ENTER (__FUNCTION__);
	
	sngss7_chan_data_t	*sngss7_info = ftdmchan->call_data;;
	const char			*nadi = NULL;
	SiConEvnt 			iam;
	
	sngss7_info->suInstId 	= get_unique_id ();
	sngss7_info->spInstId 	= 0;
	sngss7_info->spId 		= 1;
	
	memset (&iam, 0x0, sizeof (iam));
	
	/* copy down the nature of connection indicators */
	iam.natConInd.eh.pres 				= PRSNT_NODEF;
	iam.natConInd.satInd.pres 			= PRSNT_NODEF;
	iam.natConInd.satInd.val 			= 0; /* no satellite circuit */
	iam.natConInd.contChkInd.pres 		= PRSNT_NODEF;
	iam.natConInd.contChkInd.val 		= CONTCHK_NOTREQ;
	iam.natConInd.echoCntrlDevInd.pres	= PRSNT_NODEF;
	iam.natConInd.echoCntrlDevInd.val 	= ECHOCDEV_INCL;
	
	/* copy down the forward call indicators */
	iam.fwdCallInd.eh.pres 				= PRSNT_NODEF;
	iam.fwdCallInd.natIntCallInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.natIntCallInd.val 	= 0x00;
	iam.fwdCallInd.end2EndMethInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.end2EndMethInd.val 	= E2EMTH_NOMETH;
	iam.fwdCallInd.intInd.pres 			= PRSNT_NODEF;
	iam.fwdCallInd.intInd.val 			= INTIND_NOINTW;
	iam.fwdCallInd.end2EndInfoInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.end2EndInfoInd.val 	= E2EINF_NOINFO;
	iam.fwdCallInd.isdnUsrPrtInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.isdnUsrPrtInd.val 	= ISUP_USED;
	iam.fwdCallInd.isdnUsrPrtPrfInd.pres = PRSNT_NODEF;
	iam.fwdCallInd.isdnUsrPrtPrfInd.val = PREF_PREFAW;
	iam.fwdCallInd.isdnAccInd.pres 		= PRSNT_NODEF;
	iam.fwdCallInd.isdnAccInd.val 		= ISDNACC_ISDN;
	iam.fwdCallInd.sccpMethInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.sccpMethInd.val 		= SCCPMTH_NOIND;
	
	/* copy down the calling number information */
	iam.cgPtyCat.eh.pres 				= PRSNT_NODEF;
	iam.cgPtyCat.cgPtyCat.pres 			= PRSNT_NODEF;
	iam.cgPtyCat.cgPtyCat.val 			= CAT_ORD;	/* ordinary suscriber */
	
	/* copy down the transmission medium requirements */
	iam.txMedReq.eh.pres 				= PRSNT_NODEF;
	iam.txMedReq.trMedReq.pres 			= PRSNT_NODEF;
	iam.txMedReq.trMedReq.val 			= ftdmchan->caller_data.bearer_capability;

	if ((g_ftdm_sngss7_data.cfg.isupIntf[sngss7_info->circuit->infId].switchType == LSI_SW_ANS88) ||
		(g_ftdm_sngss7_data.cfg.isupIntf[sngss7_info->circuit->infId].switchType == LSI_SW_ANS92) ||
		(g_ftdm_sngss7_data.cfg.isupIntf[sngss7_info->circuit->infId].switchType == LSI_SW_ANS95)) {

		/* include only if we're running ANSI */
		iam.fwdCallInd.transCallNInd.pres   = PRSNT_NODEF;
		iam.fwdCallInd.transCallNInd.val    = 0x0;

		iam.usrServInfoA.eh.pres				= PRSNT_NODEF;

		iam.usrServInfoA.infoTranCap.pres		= PRSNT_NODEF;
		switch (ftdmchan->caller_data.bearer_capability) {
		/**********************************************************************/
		case (FTDM_BEARER_CAP_SPEECH):
			iam.usrServInfoA.infoTranCap.val	= 0x0;			/* speech as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		case (FTDM_BEARER_CAP_64K_UNRESTRICTED):
			iam.usrServInfoA.infoTranCap.val	= 0x8;			/* unrestricted digital as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		case (FTDM_BEARER_CAP_3_1KHZ_AUDIO):
			iam.usrServInfoA.infoTranCap.val	= 0x10;			/* 3.1kHz audio as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		default:
			SS7_ERROR_CHAN(ftdmchan, "Unknown Bearer capability falling back to speech%s\n", " ");
			iam.usrServInfoA.infoTranCap.val	= 0x0;			/* speech as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		} /* switch (ftdmchan->caller_data.bearer_capability) */

		iam.usrServInfoA.cdeStand.pres			= PRSNT_NODEF;
		iam.usrServInfoA.cdeStand.val			= 0x0;				/* ITU-T standardized coding */
		iam.usrServInfoA.tranMode.pres			= PRSNT_NODEF;
		iam.usrServInfoA.tranMode.val			= 0x0;				/* circuit mode */
		iam.usrServInfoA.infoTranRate0.pres		= PRSNT_NODEF;
		iam.usrServInfoA.infoTranRate0.val		= 0x10;				/* 64kbps origination to destination */
		iam.usrServInfoA.infoTranRate1.pres		= PRSNT_NODEF;
		iam.usrServInfoA.infoTranRate1.val		= 0x10;				/* 64kbps destination to origination */
		iam.usrServInfoA.chanStruct.pres		= PRSNT_NODEF;
		iam.usrServInfoA.chanStruct.val			= 0x1;				/* 8kHz integrity */
		iam.usrServInfoA.config.pres			= PRSNT_NODEF;
		iam.usrServInfoA.config.val				= 0x0;				/* point to point configuration */
		iam.usrServInfoA.establish.pres			= PRSNT_NODEF;
		iam.usrServInfoA.establish.val			= 0x0;				/* on demand */
		iam.usrServInfoA.symmetry.pres			= PRSNT_NODEF;
		iam.usrServInfoA.symmetry.val			= 0x0;				/* bi-directional symmetric */
		iam.usrServInfoA.usrInfLyr1Prot.pres	= PRSNT_NODEF;
		iam.usrServInfoA.usrInfLyr1Prot.val		= 0x2;				/* G.711 ulaw */
		iam.usrServInfoA.rateMultiplier.pres	= PRSNT_NODEF;
		iam.usrServInfoA.rateMultiplier.val		= 0x1;				/* 1x rate multipler */
	} /* if ANSI */
	
	/* copy down the called number information */
	copy_cdPtyNum_to_sngss7 (&ftdmchan->caller_data, &iam.cdPtyNum);
	
	/* copy down the calling number information */
	
	copy_cgPtyNum_to_sngss7 (&ftdmchan->caller_data, &iam.cgPtyNum);

	/* check if the user would like a custom NADI value for the calling Pty Num */
	nadi = ftdm_channel_get_var(ftdmchan, "ss7_nadi");
	if ((nadi != NULL) && (*nadi)) {
		SS7_DEBUG_CHAN(ftdmchan,"Found user supplied NADI value \"%s\"\n", nadi);
		iam.cgPtyNum.natAddrInd.val	= atoi(nadi);
	} else {
		SS7_DEBUG_CHAN(ftdmchan,"No user supplied NADI value found, using \"3\" %s\n", " ");
		iam.cgPtyNum.natAddrInd.val	= 0x03;
	}

	sng_cc_con_request (sngss7_info->spId,
						sngss7_info->suInstId,
						sngss7_info->spInstId,
						sngss7_info->circuit->id, 
						&iam, 
						0);

	SS7_INFO_CHAN(ftdmchan,"[CIC:%d]Tx IAM clg = \"%s\", cld = \"%s\"\n",
							sngss7_info->circuit->cic,
							ftdmchan->caller_data.cid_num.digits,
							ftdmchan->caller_data.dnis.digits);
	
	SS7_FUNC_TRACE_EXIT (__FUNCTION__);
	return;
}
Exemplo n.º 3
0
/* FUNCTIONS ******************************************************************/
void ft_to_sngss7_iam (ftdm_channel_t * ftdmchan)
{
	SS7_FUNC_TRACE_ENTER (__FUNCTION__);
	
	sngss7_chan_data_t	*sngss7_info = ftdmchan->call_data;;
	const char			*clg_nadi = NULL;
	const char			*cld_nadi = NULL;
	const char			*clg_subAddr = NULL;
	const char			*cld_subAddr = NULL;
	char 				subAddrIE[MAX_SIZEOF_SUBADDR_IE];
	SiConEvnt 			iam;
	
	sngss7_info->suInstId 	= get_unique_id ();
	sngss7_info->spInstId 	= 0;
	sngss7_info->spId 		= 1;
	
	memset (&iam, 0x0, sizeof (iam));
	
	/* copy down the nature of connection indicators */
	iam.natConInd.eh.pres 				= PRSNT_NODEF;
	iam.natConInd.satInd.pres 			= PRSNT_NODEF;
	iam.natConInd.satInd.val 			= 0; /* no satellite circuit */
	iam.natConInd.contChkInd.pres 		= PRSNT_NODEF;
	iam.natConInd.contChkInd.val 		= CONTCHK_NOTREQ;
	iam.natConInd.echoCntrlDevInd.pres	= PRSNT_NODEF;
	iam.natConInd.echoCntrlDevInd.val 	= ECHOCDEV_INCL;
	
	/* copy down the forward call indicators */
	iam.fwdCallInd.eh.pres 				= PRSNT_NODEF;
	iam.fwdCallInd.natIntCallInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.natIntCallInd.val 	= 0x00;
	iam.fwdCallInd.end2EndMethInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.end2EndMethInd.val 	= E2EMTH_NOMETH;
	iam.fwdCallInd.intInd.pres 			= PRSNT_NODEF;
	iam.fwdCallInd.intInd.val 			= INTIND_NOINTW;
	iam.fwdCallInd.end2EndInfoInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.end2EndInfoInd.val 	= E2EINF_NOINFO;
	iam.fwdCallInd.isdnUsrPrtInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.isdnUsrPrtInd.val 	= ISUP_USED;
	iam.fwdCallInd.isdnUsrPrtPrfInd.pres = PRSNT_NODEF;
	iam.fwdCallInd.isdnUsrPrtPrfInd.val = PREF_PREFAW;
	iam.fwdCallInd.isdnAccInd.pres 		= PRSNT_NODEF;
	iam.fwdCallInd.isdnAccInd.val 		= ISDNACC_ISDN;
	iam.fwdCallInd.sccpMethInd.pres 	= PRSNT_NODEF;
	iam.fwdCallInd.sccpMethInd.val 		= SCCPMTH_NOIND;
	
	/* copy down the calling number information */
	iam.cgPtyCat.eh.pres 				= PRSNT_NODEF;
	iam.cgPtyCat.cgPtyCat.pres 			= PRSNT_NODEF;
	iam.cgPtyCat.cgPtyCat.val 			= CAT_ORD;	/* ordinary suscriber */
	
	/* copy down the transmission medium requirements */
	iam.txMedReq.eh.pres 				= PRSNT_NODEF;
	iam.txMedReq.trMedReq.pres 			= PRSNT_NODEF;
	iam.txMedReq.trMedReq.val 			= ftdmchan->caller_data.bearer_capability;

	if ((g_ftdm_sngss7_data.cfg.isupCkt[sngss7_info->circuit->id].switchType == LSI_SW_ANS88) ||
		(g_ftdm_sngss7_data.cfg.isupCkt[sngss7_info->circuit->id].switchType == LSI_SW_ANS92) ||
		(g_ftdm_sngss7_data.cfg.isupCkt[sngss7_info->circuit->id].switchType == LSI_SW_ANS95)) {

		/* include only if we're running ANSI */
		iam.fwdCallInd.transCallNInd.pres   = PRSNT_NODEF;
		iam.fwdCallInd.transCallNInd.val    = 0x0;

		iam.usrServInfoA.eh.pres				= PRSNT_NODEF;

		iam.usrServInfoA.infoTranCap.pres		= PRSNT_NODEF;
		switch (ftdmchan->caller_data.bearer_capability) {
		/**********************************************************************/
		case (FTDM_BEARER_CAP_SPEECH):
			iam.usrServInfoA.infoTranCap.val	= 0x0;			/* speech as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		case (FTDM_BEARER_CAP_64K_UNRESTRICTED):
			iam.usrServInfoA.infoTranCap.val	= 0x8;			/* unrestricted digital as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		case (FTDM_BEARER_CAP_3_1KHZ_AUDIO):
			iam.usrServInfoA.infoTranCap.val	= 0x10;			/* 3.1kHz audio as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		default:
			SS7_ERROR_CHAN(ftdmchan, "Unknown Bearer capability falling back to speech%s\n", " ");
			iam.usrServInfoA.infoTranCap.val	= 0x0;			/* speech as per ATIS-1000113.3.2005 */
			break;
		/**********************************************************************/
		} /* switch (ftdmchan->caller_data.bearer_capability) */

		iam.usrServInfoA.cdeStand.pres			= PRSNT_NODEF;
		iam.usrServInfoA.cdeStand.val			= 0x0;				/* ITU-T standardized coding */
		iam.usrServInfoA.tranMode.pres			= PRSNT_NODEF;
		iam.usrServInfoA.tranMode.val			= 0x0;				/* circuit mode */
		iam.usrServInfoA.infoTranRate0.pres		= PRSNT_NODEF;
		iam.usrServInfoA.infoTranRate0.val		= 0x10;				/* 64kbps origination to destination */
		iam.usrServInfoA.infoTranRate1.pres		= PRSNT_NODEF;
		iam.usrServInfoA.infoTranRate1.val		= 0x10;				/* 64kbps destination to origination */
		iam.usrServInfoA.chanStruct.pres		= PRSNT_NODEF;
		iam.usrServInfoA.chanStruct.val			= 0x1;				/* 8kHz integrity */
		iam.usrServInfoA.config.pres			= PRSNT_NODEF;
		iam.usrServInfoA.config.val				= 0x0;				/* point to point configuration */
		iam.usrServInfoA.establish.pres			= PRSNT_NODEF;
		iam.usrServInfoA.establish.val			= 0x0;				/* on demand */
		iam.usrServInfoA.symmetry.pres			= PRSNT_NODEF;
		iam.usrServInfoA.symmetry.val			= 0x0;				/* bi-directional symmetric */
		iam.usrServInfoA.usrInfLyr1Prot.pres	= PRSNT_NODEF;
		iam.usrServInfoA.usrInfLyr1Prot.val		= 0x2;				/* G.711 ulaw */
		iam.usrServInfoA.rateMultiplier.pres	= PRSNT_NODEF;
		iam.usrServInfoA.rateMultiplier.val		= 0x1;				/* 1x rate multipler */
	} /* if ANSI */

	/* copy down the called number information */
	copy_cdPtyNum_to_sngss7 (&ftdmchan->caller_data, &iam.cdPtyNum);
	
	/* copy down the calling number information */
	
	copy_cgPtyNum_to_sngss7 (&ftdmchan->caller_data, &iam.cgPtyNum);

	/* check if the user would like a custom NADI value for the calling Pty Num */
	clg_nadi = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "ss7_clg_nadi");
	if ((clg_nadi != NULL) && (*clg_nadi)) {
		SS7_DEBUG_CHAN(ftdmchan,"Found user supplied Calling NADI value \"%s\"\n", clg_nadi);
		iam.cgPtyNum.natAddrInd.val	= atoi(clg_nadi);
	} else {
		iam.cgPtyNum.natAddrInd.val	= g_ftdm_sngss7_data.cfg.isupCkt[sngss7_info->circuit->id].clg_nadi;
		SS7_DEBUG_CHAN(ftdmchan,"No user supplied NADI value found for CLG, using \"%d\"\n", iam.cgPtyNum.natAddrInd.val);
	}

	cld_nadi = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "ss7_cld_nadi");
	if ((cld_nadi != NULL) && (*cld_nadi)) {
		SS7_DEBUG_CHAN(ftdmchan,"Found user supplied Called NADI value \"%s\"\n", cld_nadi);
		iam.cdPtyNum.natAddrInd.val	= atoi(cld_nadi);
	} else {
		iam.cdPtyNum.natAddrInd.val	= g_ftdm_sngss7_data.cfg.isupCkt[sngss7_info->circuit->id].cld_nadi;
		SS7_DEBUG_CHAN(ftdmchan,"No user supplied NADI value found for CLD, using \"%d\"\n", iam.cdPtyNum.natAddrInd.val);
	}

	/* check if the user would like us to send a clg_sub-address */
	clg_subAddr = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "ss7_clg_subaddr");
	if ((clg_subAddr != NULL) && (*clg_subAddr)) {
		SS7_DEBUG_CHAN(ftdmchan,"Found user supplied Calling Sub-Address value \"%s\"\n", clg_subAddr);
		
		/* clean out the subAddrIE */
		memset(subAddrIE, 0x0, sizeof(subAddrIE));

		/* check the first character in the sub-address to see what type of encoding to use */
		switch (clg_subAddr[0]) {
		case '0':						/* NSAP */
			encode_subAddrIE_nsap(&clg_subAddr[1], subAddrIE, SNG_CALLING);
			break;
		case '1':						/* national variant */
			encode_subAddrIE_nat(&clg_subAddr[1], subAddrIE, SNG_CALLING);
			break;
		default:
			SS7_ERROR_CHAN(ftdmchan,"Invalid Calling Sub-Address encoding requested: %c\n", clg_subAddr[0]);
			break;
		} /* switch (cld_subAddr[0]) */


		/* if subaddIE is still empty don't copy it in */
		if (subAddrIE[0] != '0') {
			/* check if the clg_subAddr has already been added */
			if (iam.accTrnspt.eh.pres == PRSNT_NODEF) {
				/* append the subAddrIE */
				memcpy(&iam.accTrnspt.infoElmts.val[iam.accTrnspt.infoElmts.len], subAddrIE, (subAddrIE[1] + 2));
				iam.accTrnspt.infoElmts.len		= iam.accTrnspt.infoElmts.len +subAddrIE[1] + 2;
			} else {
				/* fill in from the beginning */
				iam.accTrnspt.eh.pres			= PRSNT_NODEF;
				iam.accTrnspt.infoElmts.pres	= PRSNT_NODEF;
				memcpy(iam.accTrnspt.infoElmts.val, subAddrIE, (subAddrIE[1] + 2));
				iam.accTrnspt.infoElmts.len		= subAddrIE[1] + 2;
			} /* if (iam.accTrnspt.eh.pres */
		} /* if (subAddrIE[0] != '0') */
	}

	/* check if the user would like us to send a cld_sub-address */
	cld_subAddr = ftdm_usrmsg_get_var(ftdmchan->usrmsg, "ss7_cld_subaddr");
	if ((cld_subAddr != NULL) && (*cld_subAddr)) {
		SS7_DEBUG_CHAN(ftdmchan,"Found user supplied Called Sub-Address value \"%s\"\n", cld_subAddr);
		
		/* clean out the subAddrIE */
		memset(subAddrIE, 0x0, sizeof(subAddrIE));

		/* check the first character in the sub-address to see what type of encoding to use */
		switch (cld_subAddr[0]) {
		case '0':						/* NSAP */
			encode_subAddrIE_nsap(&cld_subAddr[1], subAddrIE, SNG_CALLED);
			break;
		case '1':						/* national variant */
			encode_subAddrIE_nat(&cld_subAddr[1], subAddrIE, SNG_CALLED);
			break;
		default:
			SS7_ERROR_CHAN(ftdmchan,"Invalid Called Sub-Address encoding requested: %c\n", cld_subAddr[0]);
			break;
		} /* switch (cld_subAddr[0]) */

		/* if subaddIE is still empty don't copy it in */
		if (subAddrIE[0] != '0') {
			/* check if the cld_subAddr has already been added */
			if (iam.accTrnspt.eh.pres == PRSNT_NODEF) {
				/* append the subAddrIE */
				memcpy(&iam.accTrnspt.infoElmts.val[iam.accTrnspt.infoElmts.len], subAddrIE, (subAddrIE[1] + 2));
				iam.accTrnspt.infoElmts.len		= iam.accTrnspt.infoElmts.len +subAddrIE[1] + 2;
			} else {
				/* fill in from the beginning */
				iam.accTrnspt.eh.pres			= PRSNT_NODEF;
				iam.accTrnspt.infoElmts.pres	= PRSNT_NODEF;
				memcpy(iam.accTrnspt.infoElmts.val, subAddrIE, (subAddrIE[1] + 2));
				iam.accTrnspt.infoElmts.len		= subAddrIE[1] + 2;
			} /* if (iam.accTrnspt.eh.pres */
		} /* if (subAddrIE[0] != '0') */
	} /* if ((cld_subAddr != NULL) && (*cld_subAddr)) */

	sng_cc_con_request (sngss7_info->spId,
						sngss7_info->suInstId,
						sngss7_info->spInstId,
						sngss7_info->circuit->id, 
						&iam, 
						0);

	SS7_INFO_CHAN(ftdmchan,"[CIC:%d]Tx IAM clg = \"%s\" (NADI=%d), cld = \"%s\" (NADI=%d)\n",
							sngss7_info->circuit->cic,
							ftdmchan->caller_data.cid_num.digits,
							iam.cgPtyNum.natAddrInd.val,
							ftdmchan->caller_data.dnis.digits,
							iam.cdPtyNum.natAddrInd.val);


	SS7_FUNC_TRACE_EXIT (__FUNCTION__);
	return;
}