Telecommunications – Radiotelephone system – Special service
Reexamination Certificate
2005-01-18
2005-01-18
Hoosain, Allan (Department: 2645)
Telecommunications
Radiotelephone system
Special service
C370S338000, C455S439000, C455S561000
Reexamination Certificate
active
06845236
ABSTRACT:
A method for providing concurrent service in a mobile communication system is disclosed in which a SCCP connection identifier SLR/DLR of a lower layer and a Service Option Connection Identifier (SOCI) on an IOS message of the higher layer to be exchanged are transmitted when a SCCP connection is established between a BSC and a MSC, thereby providing additional services to those already requested from a mobile station after the SCCP connection establishment without stopping a currently used service. According to the method, the concurrent service is provided while minimizing the conventional call processing procedures on the interface between the BSC and the MSC, thereby allowing a subscriber to use new additional service without stopping the current service or concurrently use a plurality of services such as voice and packet data services. Furthermore, a flexible confront is possible to a future development direction of the network. Providing concurrent service is an essential function of the third generation mobile communication network in a multimedia environment.
REFERENCES:
patent: 6178337 (2001-01-01), Spartz et al.
patent: 6731621 (2004-05-01), Mizutani et al.
patent: 20010001089 (2001-05-01), Krishnamurthi et al.
Fleshner & Kim LLP
Hashem Lisa
Hoosain Allan
LG Electronics Inc.
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