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.
SysMaster Corp.
SysMaster is a leading vendor of voice, video, and data equipment, serving emerging and traditional telecoms and service providers. The company offers extensive line of Voice-over-IP, IPTV, and Wireless products and solutions which enable service provider
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