Telecommunications – Radiotelephone system – Special service
Patent
1996-10-17
1999-07-27
Dolinar, Andrew M.
Telecommunications
Radiotelephone system
Special service
H04Q 738
Patent
active
059307013
ABSTRACT:
A calling party directory number associated with a terminating call towards a unreachable mobile station is stored at a home location register (HLR) associated with the unreachable mobile station. Thereafter, the HLR receives an indication from a particular mobile switching center (MSC) that the mobile station is now reachable. In response to such an indication, the HLR retrieves the previously stored calling party directory number and transmits the retrieved directory number to the reachable mobile station using unstructured messages. By displaying the transmitted number, the mobile station is able to inform the mobile subscriber of the attempted incoming calls received while the mobile station was either turned off or out of the service area.
REFERENCES:
patent: 5537457 (1996-07-01), Lantto et al.
GPI abstract and image or Japanese patent specification JP 3-7459 (Tamura), Jan. 14, 1991.
GPRS, General Packet Radio Service by Sven .ANG.kesson, Ericsson Radio Systems AB, S-16480 Stockholm, Sweden 1995 Fourth IEEE International Conference, Nov. 6, 1995, Tokyo (JP), pp. 640-643.
Dolinar Andrew M.
Telefonaktiebolaget L M Ericsson (publ)
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