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.
Founded in 2005, Broadband Telecom inc. (BTI) is a leading wholesale carrier of international voice traffic with FCC 214 License. Our Superior service and State-of-the-Art infrastructure has earned us many reputed clients in the telecommunications industr
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