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.
Guilty of rape, jailed - then deported
US tarrifs cut - for now
School student accused of Twint theft
Yet another scam to be careful of
Injuries over Xmas soar
