A hardware security token to support secure remote access.
You need to look at the Cisco AnyConnect VPN solutions available through the Cisco Adaptive Security Appliances. You can integrate them with one-time password tokens or smart cards for this type of dual-factor authentication from third parties.
A UC Portal that allows user to connect to their Services and features over the web
This is one of the primary goals of the CSF and Cisco Quad or WebEx. Please speak with your local Cisco AM for further details here; this solution is still in the early stages. Short of this many of the products have browser-based interfaces for some functionality today; however, there is not a single portal for it yet and none except WebEx support browser-based audio or video calling.