In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.
Flavien is one of the leading VoIP wholesale telecommunication service provider with A-Z terminations and an unmatched voice traffic carrier across the globe. Flavien international corporation was founded by a group of business and telecommunication netwo
Read more