05517560 is referenced by 98 patents and cites 10 patents.

A call processing and billing method where the two billing records generated for a redirected call are transmitted to the same billing center or to the same network of interconnected billing centers, and where the two billing records are correlated to generate a single billing record for use in billing the call. The method is extensible for calls that are redirected more than once.

Title
Call billing and measurement methods for redirected calls
Application Number
995655
Publication Number
5517560
Application Date
August 8, 1995
Publication Date
May 14, 1996
Inventor
Steven L Greenspan
Oak Park
IL, US
Agent
David L Hurewitz
Assignee
AT&T
NJ, US
IPC
H04M 3/42
H04M 15/00
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