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.
The main activity of SOLUTTION4VOIP INC is the creation of various types of software that enable utilizing Voip services. The main product is a session controller, which along with the additional modules, creates coherent, efficient and easy to manage pla
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