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.
AirTouch WiFiVoIP enable you can enjoy the best of both world, seamlessly. Enjoy the affordable AirTouch WiFiVoIP network when you are within WiFi range and automatic forward calls to your GSM network otherwise. In fact both WiFiVoIP and GSM will work at
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