Call coverage arrangement

Patent

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Details

179 18AD, 179 27D, 179 27FH, H04M 350, H04Q 364

Patent

active

044369620

ABSTRACT:
A call coverage arrangement in a telephone system. Any station served by the system may be assigned to a call coverage group as a principal station. A coverage group includes the identities of a plurality of call covering stations for the principal station and an indication of the order of preference of the covering stations. Call coverage criteria are stored for principal stations specifying circumstances under which calls intended for the principal stations are redirected to coverage. A covered call is redirected sequentially to each of the covering stations in a coverage group in the order of preference until the call is answered or abandoned. The coverage criteria include options based on both the state of a principal's station (active, busy, idle, etc.) and the class of an incoming call (internal, external, priority). Principal stations are equipped with a "send all calls" button. The button may be operated while a call is arriving to redirect the call without waiting for automatic coverage to take effect. To give a caller control over the disposition of a call scheduled for coverage, the caller is alerted at the time a coverage criterion is satisified that the call is scheduled for coverage. Thereafter, a short time interval is provided during which the caller may abandon, activate the automatic generation and storage of a callback message or wait for the call to be redirected to coverage.

REFERENCES:
patent: 4150257 (1979-04-01), Fenton et al.
patent: 4289934 (1981-09-01), Pitroda et al.
"Datapoint ISX.TM. Information Switching Exchange", Datapoint ISX-Preliminary Product Specification-Version 1, May 1981, pp. 12-1 to 12-3, Document No. 61137.
"The Horizon.RTM. Communications System-now better than ever", John A. Miller, Bell Labs Record, Mar. 1981, pp. 82-85.
"GTD-1000 Digital PABX CAS Main/ACD", Tapper et al., GTE Automatic Electric Journal, Nov. 1980, pp. 182-193.

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