Service, support and development work for the PBX including provision of suitable hardware.

Service and support contract for the existing PBX including provision of hardware and software development services.

Service and support for the PBX

Upgrade of the PBX system from Aura 8 to Aura 10

Service support contract for the support of the telecommunications in-house operation with:

20,000 terminals with 16,000 new TDM/VoIP terminals at 800 locations in the city of Frankfurt a. Main

Hybrid PBX technology with digital TDM, VoIP and analog ports

Telecommunications applications (CTI, voicemail, conferences),

IP-based call center application (ACD, reporting, agent and supervisor application)

Development, maintenance and support for a software solution for additional functions that cannot be mapped by the Avaya software

The contract is to be concluded on the basis of the EVB-IT contract.