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.
iCall is a computer program that runs on your Microsoft Windows® computer or mobile device such as an Apple iPhone®, Nokia, Motorola, Sony Erickson Other.
iCall looks and feels just like a regular phone, but instead of using a phone line, it uses your