Call screening at a hierarchical switch based on organizational

Details Call screening at a hierarchical switch based on organizational Call screening at a hierarchical switch based on organizational

1995-11-16

1997-09-16

Hong, Harry S.

Telephonic communications

Call or terminal access alarm or control

At switching center

370385, 370426, 379207, 379220, 379229, 379230, H04M 300, H04M 342, H04M 700, H04Q 1104

Patent

active

056688601

ABSTRACT:
A telecommunication network has first and second subscribers connected to first and second telecommunication switches, respectively. A third switch is disposed at a hierarchical level above the second switch and receives a call setup message. The call setup message includes a first group affiliation parameter defining one organization of which the first subscriber is a member and a destination number of the second subscriber called by the first subscriber. A record in a database coupled to the third switch is located in response to receiving the call setup message. The located record is based on the destination number contained in the call setup message. A call screening parameter stored in the record is also identified. A determination is made of whether the call will be allowed to terminate to the second subscriber based on a comparison of the call screening parameter and the first group affiliation parameter. Thus, call screening is based on the membership of the first subscriber in an organization.

REFERENCES:
patent: 5222120 (1993-06-01), McLeod et al.
patent: 5247571 (1993-09-01), Kay et al.

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