Using Voice over Internet Protocol (VoIP) calling applications on your mobile phone can save you money if you make a lot of international calls or travel out of the country often. iPhone users have several options when deciding what app to download.
Speedflow is a provider of high-quality VoIP (A-Z Wholesale, CLI routes, CC routes) and SMS services. The company offers VoIP software solutions (MediaCore SBC, AccuCore ERP) and custom software development services.