How to Consume a .NET web service with NUSOAP

Calling .NET web services from php and nusoap is not straight forward and can be your headache if you don't know the correct way. It had also given me headache for sometime . So I thought this might be helpful for you if you are also in a similar situation I had been through. If you are calling .NET web service then check your WSDL structure and SOAP Request and Response. If the SOAP request has authentication via AuthenticationHeader then you should set the header information as below