AUTOMATIC CALLBACK


Meaning of AUTOMATIC CALLBACK in English

A service feature that permits a user , when encountering a busy condition, to instruct the system to retain the called and calling numbers and to establish the call when there is an available line . Note 1: Automatic callback may be implemented in the terminal , in the switching system , or shared between them. Note 2: Automatic callback is not the same as camp-on.

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.