Method and system for processing telephone calls via a remote tie-line
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United States of America Patent
Stats
-
May 20, 2003
Grant Date -
Sep 26, 2002
app pub date -
Jan 17, 2001
filing date -
Jan 17, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system include routing telephone calls from multiple private networks via public lines and trunks in a public switched telephone network (PSTN) to a host switch, at which the connections would begin to run parallel. The host switch routes the telephone calls via a private trunk group to a private facility, such as an electronic tandem network (ETN) node or an asynchronous transfer mode (ATM) switch. If the private trunk group is full or unavailable, the host switch routes the telephone calls over alternate private or public trunk groups and selected carriers.
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