Allows users tracking the condition of the other telephone or the subscriber, for example, there will appear a signal on the screen of the telephone device informing that the subscriber is on the line and is temporarily unavailable.
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.