Transfer-to c-number message triggering of a routing request message within a cellular telephone network
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United States of America Patent
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-
Jan 20, 1998
Grant Date -
N/A
app pub date -
May 14, 1996
filing date -
May 14, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Streamlined initiation of a call transfer within a cellular telephone network is effectuated by having the transfer-to C-number request include not only an identification of the B-number for the called mobile station, but also an identification number of a switching node presently handling the call. Responsive to receipt of this request, the home location register processes the B-number to identify one or more C-numbers for forwarding of the call. The home location register then determines which switching nodes currently serve the identified C-numbers and directly generates a routing request message, including the received present switching node identification number, to each of those switching nodes. This action bypasses the conventional TIA IS-41 signaling actions of returning the identified C-numbers to the present switching node and generating a location request message for delivery back to the home location register.
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