Automatic Call-back
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.
AudioCodes Mediant 4000 ESBC (Enterprise Session Border Controller) belongs to a family of AudioCodes Enterprise Session Border Controllers, providing security and connectivity amongst VoIP network service providers and enterprises.
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