With Skype for Business you can use voice- and video chat via the internet, as well as write text messages. That's why the program is useful for teamwork when all or many team members are in home office.
Voice- and video chat is possible for up to 50 persons, writing tex messages for up to 99 persons.
Information on installing and using Skype is available here: Skype for Business an der Universit?t Bamberg.
Text messsaging for project-/team communication (Rocket.Chat)
If you want to have a quick talk with team members, have a question or just quickly need to send a phone number, a link or other short message, Rocket.Chat might be a convenient tool.
You can find more information on Rocket.Chat, for example what you have to consider when creating institution specific channels, on the page Chat-Dienst Rocket.Chat.
Using university related software at your home office
Many IT-services offered by the university of Bamberg don't have to be installed but can be used with an internet browser: