Couple of important points to note :
Siebel Business Applications accessed from a browser on a mobile device, where the browser is connected to a Siebel Server
As of now,The following applications are supported in connected mode:
Siebel Pharma, Siebel Consumer Goods, Siebel Sales, and Siebel Field Service
Siebel applications accessed from a browser on a mobile device, where the browser is not connected to a Siebel Server (offline mode). No internet connection required. Conceptually its the same way as Handheld(HH), Architecturally completly different and lot better then HH.:)
As of now,The following applications are currently supported in disconnected
mode: Siebel Pharma and Siebel Field Service.