VoipCheap

 

Client software
Web signup
Free calls*
 - free days given by buying credit
 - weekly free minutes

90
300
Phone-to-Phone feature
Local access numbers  
 - with your own registered phone
 - from any phone with PIN code
SMS support
SIP support
 - domain/proxy
sip.voipcheap.com
VoIP-In phone number
  (in selected countries only)
Customer services
Free destinations (landline)
Andorra
Argentina
Australia
Austria
Belgium
Canada (+mobile)
Czech Republic
Denmark
Estonia
France
Germany
Hong Kong (+mobile)
Hungary
Iceland
Ireland
Italy
Luxembourg
Malaysia
Monaco
Netherlands
New Zealand
Norway
Poland
Portugal
Russian Federation [Moscow]
South Korea
Spain
Sweden
Switzerland
United Kingdom
United States (+mobile)

* During Freedays you can call all free destinations at no cost. Minutes of free calls are measured over the last 7 days and per unique IP address. When you run out of Freedays or limit is exceeded the normal rates apply.