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.
R&R Telecom offers carrier-grade switch partition solutions for wholesale resellers since 2003. R&R switch partition service leverages Sonus Networks platform and provides powerful yet intuitive interface to control switch operations.