Welcome to the Avaya IP Office Contact Center Web Services Collection Forum. Using WSC SDK you can build your application as per your need, before starting development, you can go through the documents like programmers manual (which will give you the idea about different web services, it's uses, trouble shooting etc) and API docs (which will give the information about all APIs available), still if you face any issues or have any questions then you can post in this forum.

If you are facing any issue then in your post, please try to include following information to get quick and best support
1. Include versions of IPOCC and WSC SDK.
2. Provide the steps and mention exactly where problem is observed.
3. In TTrace Console, enable categories of WSC_SOAP_Trace, WSC_SessionObjects for required web services and please provide captured error messages.
4. If possible, in TTrace Console, execute TTrace command dumpSession and attach the results.