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.
Matrix SETU VGFX is a powerful gateway that supports classic telephony networks, GSM-services, and VoIP-telephony. Matrix SETU VGFX provides intelligent routing of incoming and outgoing calls between different networks, and does it in such a way to ensure the minimum cost of connection.
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