Authentication Errors Calling OOTB Inbound Web Services

Everyone:

We're trying to perform a basic test of an inbound siebel web service for 8.2.2. I'm seeing authentication errors. We're looking at invoking an inbound webservice such as:http://siebel.com/marketing/account.

This webserivce has two operations: AccountCreateAccount and AccountUpdateAccount. The binding is: SOAP_DOC_LITERAL

I'm basically testing this by creating a .NET website and adding a web reference via a wsdl. I'm not trying to do any session management, I'm trying to just pass in the credentials in clear text as part of the request (Not the soap header).

Here's how I'm overriding my web.config:

<add key="WebReference.Account" value="