ejemplo de consulta soap usando NuSoap

nusoap-ejemplo.php

<?php
function consultaServicios($movil, $pass, $url){
    require_once('nusoap/nusoap.php');
    $cliente = new nusoap_client($url, true);
    $err = $cliente->getError();
    if($err){
        $res = "->".$err;
        return $res;
    }    
    $params = array('movil' => $movil, 'pass' => $pass);

    $res = $cliente->call('consultaServicios', array($params));
    $err = $cliente->getError();
    if($err){
        $res = "->".$err;
        return $res;
    }              
    return $res;
}

$url = "http://examplo.com/?wsdl";
$clave = '*********';
$phone = '55555555';

print_r(consultaServicios($phone, $clave, $url));