Method to provide an operator selection service as well as a communications network and a call server therefore
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United States of America Patent
Stats
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Aug 21, 2007
Grant Date -
Apr 29, 2004
app pub date -
Oct 16, 2003
filing date -
Oct 29, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a method to provide an operator selection service for subscribers of a communications network (CN'), wherein the subscribers terminals (T1, T2, . . . , Tn) are connected to one local exchange (ILEX) of a first operator, wherein said local exchange (ILEX) detects, whether call handling of an incoming call request is to be performed within network devices of said first operator or to be passed to a second operator, wherein, if a call is to be passed to the second operator, the local exchange (ILEX) identifies the calling address and the called address and sends a call information (M1) comprising said addresses to a call server (LS1, LS2) of the second operator, the call server (LS1, LS2) sends back a connection request (M2) to establish a call connection between selected terminals (T1, T2, . . . , Tn) over a determined fixed connection (TC1, TC2) connecting an outgoing trunk (X1, Y1) and an incoming trunk (X2, Y2) of said local exchange (ILEX) and the local exchange (ILEX) establishes the requested call connection over said determined connection (TC1, TC2), and also to a communications network (CN') and a call server (LS1, LS2) therefore.
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