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.
System integration is the way of putting together all the smaller parts called „subsystems” into one big system and ensuring that everything functions successfully together as a system.
Varsatel
Varsatel is a UK based Internet Service Provider. Established for over six years, Varsatel has been providing end-to-end solutions to service providers, Internet telephony service providers, calling card providers, clearing-houses, carriers, mobile carrie
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