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.
Master Telecom is the global voice services provider in both the retail and wholesale telecommunications arenas, headquartered in New York, with a significant presence in Baltic States and substantial businesses in Poland, Russia and Ukraine. The primary
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