Jumblo

 

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

90
200
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.jumblo.com
VoIP-In phone number  
Customer services
Free destinations (landline)
Argentina
Australia
Austria
Brazil
Canada (+mobile)
China (+mobile)
Croatia
Denmark
Estonia
Finland
France
Germany
Greece
Hong Kong (+mobile)
Hungary
Ireland
Japan
Netherlands
Norway
Peru
Poland
Portugal
Singapore
Slovenia
South Korea
Spain
Sweden
Switzerland
Taiwan
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.