Siebel Systems Inc. and IBM Corp. plan to offer their joint service, Siebel customer relationship management (CRM) OnDemand, in Europe from mid-May, and in Asian within two months, they announced at the Siebel User Week in Cannes, on April 21.

Siebel has already been offering the CRM OnDemand service in the U.K. since December, through British Telecommunications PLC (BT), at