Telephonic communications – Emergency or alarm communications – Central office responsive to emergency call or alarm
Reexamination Certificate
2005-10-18
2005-10-18
Chan, Wing (Department: 2643)
Telephonic communications
Emergency or alarm communications
Central office responsive to emergency call or alarm
C379S220010, C379S042000, C379S037000
Reexamination Certificate
active
06956930
ABSTRACT:
Apparatus, and an associated method, for facilitating service handling of a call placed to a public safety answering point using a universal dialing code, such as an emergency 9-1-1 dialing code. A centralized routing database is formed and maintained. When a call is originated and routed to a call routing entity, the centralized routing data base is accessed to obtain the identity of the public safety answering point to which to route the call. Thereby, a call connection is formed to an appropriate public safety answering point. Due to the centralized nature of the routing data base, updates to the data base are readily and easily ascertainable.
REFERENCES:
patent: 6721395 (2004-04-01), Martinez
patent: 6771742 (2004-08-01), McCalmont et al.
patent: 1111888 (2001-06-01), None
Alcatel
Chan Wing
Sewell V. Lawrence
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