Rebtel is seen as one of Carolina Digital Phone Inc's biggest rivals. Rebtel is headquartered in Stockholm, Stockholms län, and was founded in 2006. Like Carolina Digital Phone Inc, Rebtel also works within the Telecommunications sector. Rebtel generates 1,545% the revenue of Carolina Digital Phone Inc.
CloudTalk is seen as one of Carolina Digital Phone Inc's top competitors. CloudTalk was founded in 2015, and its headquarters is in Bratislava, Bratislava. CloudTalk operates in the Customer Relationship Management (CRM) industry. CloudTalk has 37 more employees than Carolina Digital Phone Inc.