DSB would like to enter into a contract with a tenderer for assistance with the maintenance and further development of TETRA's core network and service platforms in the Emergency Network. Further information is in the procurement documents.

The assistance includes the following:

• In cooperation with suppliers and suppliers:

o Develop system design for changed/new systems and functions/services.

o Ensure that the system documentation is consistent and reflects the actual implementation and rolling out.

o Planning, developing, and carrying out an acceptance test scope in a test environment and production system.

o Ensure that identified errors during the test procedure are solved.

o Planning the roll out strategy in the production system.

• Being a system expert for the core network and end-to-end services.

o Plan and coordinate multiple simultaneous assignments/deliveries based on an efficient and comprehensive understanding.