@@ -548,6 +548,8 @@ static pv_export_t mod_pvs[] = {

 		pv_parse_ccp_attrs_name, 0, 0, 0},

 	{{"via0", (sizeof("via0")-1)}, PVT_OTHER, pv_get_via0, 0,

 		pv_parse_via_name, 0, 0, 0},

+	{{"viaZ", (sizeof("viaZ")-1)}, PVT_OTHER, pv_get_viaZ, 0,

+		pv_parse_via_name, 0, 0, 0},

 	{ {0, 0}, 0, 0, 0, 0, 0, 0, 0 }

 };

@@ -4537,7 +4537,7 @@ int pv_get_via_attr(sip_msg_t *msg, via_body_t *vb, pv_param_t *param,

 		pv_value_t *res)

 {

 	if(vb==NULL) {

-		LM_DBG("invalid via header\n");

+		LM_DBG("null via header\n");

 		return pv_get_null(msg, param, res);

 	}

@@ -4594,3 +4594,29 @@ int pv_get_via0(sip_msg_t *msg, pv_param_t *param, pv_value_t *res)

 	return pv_get_via_attr(msg, msg->via1, param, res);

 }

+

+/**

+ *

+ */

+int pv_get_viaZ(sip_msg_t *msg, pv_param_t *param, pv_value_t *res)

+{

+	hdr_field_t *hf = NULL;

+	via_body_t *vb = NULL;

+	via_body_t *vbZ = NULL;

+

+	if (parse_headers(msg, HDR_EOH_F, 0)<0) {

+		LM_DBG("failed to parse sip headers\n");

+		return pv_get_null(msg, param, res);

+	}

+

+	vbZ = msg->via1;

+	for(hf=msg->h_via1; hf!=NULL; hf=hf->next) {

+		if(hf->type==HDR_VIA_T) {

+			for(vb=(via_body_t*)hf->parsed; vb!=NULL; vb=vb->next) {

+				vbZ = vb;

+			}

+		}

+	}

+

+	return pv_get_via_attr(msg, vbZ, param, res);

+}

@@ -413,6 +413,7 @@ int pv_set_ccp_attrs(struct sip_msg* msg, pv_param_t *param,

 int pv_parse_via_name(pv_spec_p sp, str *in);

 int pv_get_via0(sip_msg_t *msg, pv_param_t *param, pv_value_t *res);

+int pv_get_viaZ(sip_msg_t *msg, pv_param_t *param, pv_value_t *res);

 #endif