Communications blocking based on a remote no-call list
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Oct 7, 2004
app pub date -
Jan 30, 2003
filing date -
Nov 4, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A plurality of private branch exchanges (PBXs 110, 120) for placing outbound solicitation calls share use of a 'no-call list' database (160) to which they are connected by a private telephone network (130) and a call-admitter server (150). When a call is initiated (200) at a PBX to a telephone number, the PBX queries (202) the server regarding whether the call is allowed. In response, the server accesses (302) the database to determine if the telephone number is in the database. If so, the server returns (308) a response blocking the call; if not, the server returns (306) a response allowing the call to proceed. The PBX responds (208, 210) accordingly. If the caller overrides (218) blocking of the call, the PBX notifies (222) the server and allows (126) the call to proceed, and the server logs (312) the override.
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