Your application sends a web service request to QAnywhere, which sends the request to the mobile web service connector in the MobiLink server. The connector sends the request to the web service or queues the request until the web service is available. When QAnywhere receives the response, it notifies your application or queues the response until your application is available.
Setting up .NET mobile web service applications
Setting up Java mobile web service applications
Multiple instances of the service binding class