We are using WebserviceSettingBean in other way, if you already tried or it wont suits ur requirement may ignore this method. This way still it can be used as runtime wsdl and port across environments without updating process each time.
Double Click on WebserviceSettingBean variable and on the opened pop-up click the browse button under Datatype Specific Settings this will gives another pop-up to configure wsdl.
First time configuration need to give full path od the WSDL URL and it uses that time only. The same service can be ported across the environments.(Check the logs, it always derived from the runtime URL only, not the URL used on first time. Here, configure Target URL using XPath, this will be the runtime or environment specific. I guess across the environments any webservice may not have different port and operations.
-Raghu.
