Hi,
In order to synchronize your contacts, tasks, appointments and other activities you need to have an Outlook client. You can use either online or offline client, but only then you can synchronize your activities other than email (actually email router does not give you CRM -> Outlook synchronization either).
You can download the Outlook client from here:
http://www.microsoft.com/downloads/details.aspx?familyid=60c4a6cc-59d7-416e-9f44-0ae8ff249768&displaylang=enI hope that helps,
Kuba
-- Kuba Skałbania, Netwise