H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 15/08 (2006.01) H04M 15/10 (2006.01)
Patent
CA 2179792
When a long distance call originates, it is sent to an originating toll switch. The call is extended to the terminating toll switch which completes the call as completed to the destination telephone. The call is then timed and such timing information is recorded. After the call terminates. the billing system uses the number of the calling telephone and the destination telephone number to query a database to determine whether this call receives shared call billing. If it does, the billing records are recorded accordingly.
Jaczak Robert James
Shah Tushar Ramesh
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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