automatic callback
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- 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.
ATIS - Cite This Source - This Definition - automatic answering, basic call, call detail recording (CDR), call hold, call pickup, call restriction, call splitting, call transfer, call waiting, caller ID, calls-barred facility, conference call, extended area service (EAS), fast select, flat rate service, incoming call identification (ICI), multiaddress calling, single-ended service feature