Hochschulrechenzentrum
Telephony
HRZ is your contact for telephony at TU Darmstadt. We are the right address for you if, for example, you want to apply for a new telephone, your entry in the TU-wide telephone directory needs to be changed or you have questions about the Jabber client. We differentiate between communication in the office with fixed end devices and mobile communication via Jabber.
New communication solution for TU Darmstadt
In January 2025, the campus-wide HRZ project UC changeover (unified communication changeover) was started.
Goal:
The existing heterogeneous telecommunications system at TU Darmstadt will be replaced by a modern, IP-based unified communication solution.
Further information and details can be found on our regularly updated website.
From now on: Softphones instead of hardware telephones when moving into new buildings
Prior to the planned introduction of Unified Communications (UC) at TU Darmstadt, only software telephones (softphones) will be used from now on when moving into new or complete refurbished builings. These will replace the desk telephones that have been used until now.
The Jabber client is used as the softphone solution. Hardware telephones (classic desk telephones) are no longer provided for employee workstations.
Necessary “function telephones” – where they are required by law (e.g. in first-aid rooms) – will continue to be provided.
Mobile communication
Jabber
The Jabber client offers telephony, video call, chat function, screen sharing and data exchange. All owners of a TU-ID can install and use the Jabber-Client.
Office communication
The TU Darmstadt campus is equipped with two telephone systems. Find out which one is at your disposal.
Alcatel phones
Descriptions of the different Alcatel phones
Accessories for Alcatel phones
Voicemail Alcatel – Your answering machine
Cisco phones
Register/change/deregister telephone
You want to apply for a new telephone, have changes to an existing telephone connection or want to deregister a telephone?