My scenario is CRM
>Webservice (Async). The customer has their own home grown legacy system where they maintain the customer data (master & transactional).
CRM IC Webclient is used as front end. There is a minimal amount of data that has been replicated from the legacy to CRM system like the customer info and etc. The user will change the CustomerName & Address in the CRM system and upon submit it has to go via XI and call a pre-existing webservice which inturn will update the customer system.
As we want to accomplish this scenario out-of-the-box are there any standard IDOCs or RFCs or BAPIs available in the CRM system. If so please give the name of the module.
Thanks in advance.