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New phone system (Cisco)


Within the framework of the network modernisation at RWTH Aachen University, one component is the procurement of a pure VoIP telephone system. The suppliers had to meet hard criteria regarding data security and sustainability. Accordingly, important aspects of the tender are to be emphasized:

All data paths between the components of the telephone system must be encrypted according to the state of the art.
All centrally managed end devices must be fully functional in pure IPv6 networks.
After the tendering process, RWTH Aachen University purchased a telephone system of the type Cisco Unified Communications Manager, or CUCM for short.

The rollout of the test operation began in January 2020.

With the installation of the new telephone system, a paradigm shift will take place: In the previous Alcatel Lucent telephone system, telephone numbers were bound to telephones; in the CUCM telephone system, telephone numbers are bound to a person. This opens up additional possibilities for the user to create flexible communication independently.