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Stadt Zürich

City of Zurich

“With VoIP we reduce costs and our impact
on the environment while boosting productivity.”

20,000 VoIP connections for Zurich

Organisation and Informatics of Zurich (Organisation und Informatik der Stadt Zürich; OIZ) is the IT competence centre for the city of Zurich. With the conversion of the telephony system of the entire municipal authority to Voice over IP (VoIP), the service department laid the groundwork for increased cost effectiveness and more efficient operations.


City of Zurich Success Story (PDF 257 KB)


Until now the Zurich municipal authority has been working in a telephony landscape that evolved over time. Characterised by various suppliers, systems and technologies, the inconsistent structure led to high costs for operation and procurement of replacement devices. This technological patchwork also hampered the introduction of modern applications for more efficient operations. Reasons aplenty for OIZ to take the plunge and move towards a modern homogeneous telephony solution.