The emergency phone numbers, 117 and 112, were unavailable in many parts of the country last night and into this morning.
The problems were first spotted in canton Zurich last night – but then other cantons followed.
All areas of the country are affected.
People are being urged to call their local forces on listed numbers at the moment.
Citizenship remains one of the hardest on continent
More gun crime in Annemasse
Geneva land ownership change
Agriculture warning after record breaking summer
SNB interest rate stable
Phone company going to court
