Merging of calls
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United States of America Patent
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-
Oct 16, 2001
Grant Date -
N/A
app pub date -
Jul 10, 1998
filing date -
Nov 14, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Conference call set-up is conventionally controlled with special keys # and * of a telephone set. Today these functions are performed by means of intelligent network technology. A problem with standard CS-1 and CS-2 intelligent network architectures is that they do not allow merging of call segments initiated by a Service Control Point (SCP). According to the invention: in response to the messages from the service control function (SCF), the service switching point (SSP) creates a separate call segment for each B subscriber; in response to the creation of a call segment (CS1-CS3), the service switching point (SSP) sends a message about this to the service control function (SCF); in response to a message confirming the creation of at least two call segments (CS1-CS3), the service control function (SCF) orders the service switching point (SSP) to merge the call segments created.
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