Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-05-14
1998-01-20
Kuntz, Curtis A.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455417, 379211, H04Q 738
Patent
active
057110026
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.
REFERENCES:
patent: 5168517 (1992-12-01), Waldman
patent: 5243645 (1993-09-01), Bissell et al.
patent: 5253288 (1993-10-01), Frey et al.
patent: 5260986 (1993-11-01), Pershan
patent: 5329578 (1994-07-01), Brennan et al.
patent: 5400390 (1995-03-01), Salin
Kuntz Curtis A.
Telefonaktiebolaget LM Ericsson (publ)
Tieu Binh K.
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