how to consume external WSDL service in abap

Hi ,

I have an external WSDL created on PHP platform , now i want to consume the external WSDL in abap . SO when we create service consumer through tcode se80 and give the External WSDL Url .. its showing an error msg

1)"Proxy Generation error occured "

2)"Exception in library handler "

3)Incorrect value: Unknown namespace http://schemas.xmlsoap.org/soap/encoding/"

i tried a lot to connect with the service but its not allowing me

"http://182.73.133.220/test/nusoap/soap_server.php?wsdl " 

Please help its on high priority basis.