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.
E1 Bulk Wholeseller – a company, which sells E1 digital transmitting products in large
quantities. Some companies after selling their E1 products provide complete technical
maintenance and support.
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