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.
XCOM LLC (XCOM) is a new telecom operator, registered in US with offices in Sacramento, California and Moscow, Russia. Company was formed on the basis of few well experienced international operators providing millions minutes traffic per day.
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