@@ -608,6 +608,8 @@ static int w_xavi_child_sets(sip_msg_t *msg, char *prname, char *pcname,

 static int w_xavi_rm(sip_msg_t *msg, char *prname, char *p2);

 static int w_xavi_child_rm(sip_msg_t *msg, char *prname, char *pcname);

+static int w_xavp_lshift(sip_msg_t *msg, char *pxname, char *pidx);

+

 int pv_xavp_copy_fixup(void** param, int param_no);

 int pv_evalx_fixup(void** param, int param_no);

 int w_pv_evalx(struct sip_msg *msg, char *dst, str *fmt);

@@ -684,6 +686,9 @@ static cmd_export_t cmds[]={

 	{"xavi_child_rm", (cmd_function)w_xavi_child_rm,

 		2, fixup_spve_spve, fixup_free_spve_spve,

 		ANY_ROUTE},

+	{"xavp_lshift", (cmd_function)w_xavp_lshift,

+		2, fixup_spve_igp, fixup_free_spve_igp,

+		ANY_ROUTE},

 	{"sbranch_set_ruri",  (cmd_function)w_sbranch_set_ruri,  0, 0, 0,

 		ANY_ROUTE },

 	{"sbranch_append",    (cmd_function)w_sbranch_append,    0, 0, 0,

@@ -904,6 +909,38 @@ static int ki_xavp_print(sip_msg_t* msg)

 	return 1;

 }

+/**

+ *

+ */

+static int ki_xavp_lshift(sip_msg_t *msg, str *xname, int idx)

+{

+	int ret;

+

+	ret = xavp_lshift(xname, NULL, idx);

+

+	return (ret==0)?1:ret;

+}

+

+/**

+ *

+ */

+static int w_xavp_lshift(sip_msg_t *msg, char *pxname, char *pidx)

+{

+	str xname = STR_NULL;

+	int idx = 0;

+

+	if(fixup_get_svalue(msg, (gparam_t*)pxname, &xname)<0) {

+		LM_ERR("failed to get the xavp name\n");

+		return -1;

+	}

+	if(fixup_get_svalue(msg, (gparam_t*)pidx, &idx)<0) {

+		LM_ERR("failed to get the xavp index\n");

+		return -1;

+	}

+

+	return ki_xavp_lshift(msg, &xname, idx);

+}

+

 static int ki_xavu_print(sip_msg_t* msg)

 {

 	xavu_print_list(NULL);

@@ -3173,6 +3210,11 @@ static sr_kemi_t sr_kemi_pvx_exports[] = {

 		{ SR_KEMIP_STR, SR_KEMIP_INT, SR_KEMIP_STR,

 			SR_KEMIP_INT, SR_KEMIP_NONE, SR_KEMIP_NONE }

 	},

+	{ str_init("pvx"), str_init("xavp_lshift"),

+		SR_KEMIP_INT, ki_xavp_lshift,

+		{ SR_KEMIP_STR, SR_KEMIP_INT, SR_KEMIP_NONE,

+			SR_KEMIP_NONE, SR_KEMIP_NONE, SR_KEMIP_NONE }

+	},

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

 };