Ability to provide a conference bridge for meetings with external phone users.Ability to make a video call or conference with other federated Skype users.Make voice calls to and from campus, from on premises or remotely, using an IP Phone or a UC Headset.Skype for Business offers the following functionality. Currently, this service provides Enterprise Voice, Instant Messaging, Presence, Desktop Sharing and Conferencing for faculty and staff. Skype for Business is a Unified Communications (UC) service.