Hello @Soumen
During the week, you can reach the support from:
08:30 - 12:00
13:30 - 19:30
On Saturday, you can reach the support from:
08:30 - 12:30
The contact details of the customer service:
Tel: 061 826 93 07
E-mail: support@breitband.ch
You can find more useful information here: https://www.breitband.ch/support