Making phone calls at budget price.

The cheapest and most convenient way to make phone calls is in front of you: the Internet. With our greenTalk offer, you use the newest technology VoIP (Voice over IP).

he greenTalk basic subscription for fixed network can be obtained for only CHF 5.–. In addition, you can make phone calls with the new flat rate offer for sensational CHF 9.90 per month in the switzerland fixed network. You can keep your fixed network number for free or require a new number.

For greenTalk , you need a basic Internet connection (Naked DSL) at or at another provider of your choice. Within the provider network you can make phone calls in the Swiss fixed network for free.

1in1 Phone Box
free transfer
5.– per

Basic charge

Connection   per month
greenTalk (incl. 1 phone number & Voicemail & Basic charge)   CHF 5.–


Services   per month
  one time costs
Optional Flatrates
More infos
  from CHF 9.90  
FaxToMail   CHF 7.–  
Phone number porting
Download porting form
    CHF 0.–
App for iPhone and Android     free download now


The Invoice period is 2 months.
The upper limit per billing is CHF 50.–. This can be increased continuously in the customer portal

Fixed network Switzerland

Days   Time of day   Rates per minute
Every day, also days of festivities   any time   CHF 0.03
Calls from greenTalk to greenTalk you pay   any time only   CHF 0.00
Tariff list (PDF)        

Mobile network Switzerland

Provider   Setup charge   Rates per minute
Calls to Switzerland mobile Network   CHF 0.05   CHF 0.22
National Service Nr.   CHF 0.54   CHF 0.50
Tariff list (PDF)        

Foreign countries

Rate overview of all the countries

Click the Buttons for instructions and answers to frequently asked questions.

Telephony instructions