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Method for forwarding packet calls in mobile communication system

A technology of mobile communication system and mobile station, which is applied in the field of transferring group calls in mobile communication systems, and can solve the problem that a mobile user cannot use another mobile station and does not support group call transfer to another mobile station or another address Business and other issues

Inactive Publication Date: 2006-06-07
ERICSSON-LG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Specifically, when a packet call establishment request to a mobile station occurs from the Internet, the mobile user cannot use another mobile station to answer the call he wants to answer, because the next-generation GPRS network does not support the transfer of incoming packet calls to another mobile station. Call forwarding service to mobile station or another address

Method used

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  • Method for forwarding packet calls in mobile communication system
  • Method for forwarding packet calls in mobile communication system
  • Method for forwarding packet calls in mobile communication system

Examples

Experimental program
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Embodiment Construction

[0039] image 3is a diagram of a next generation GPRS network according to a preferred embodiment of the present invention. The next generation GPRS network comprises: mobile station (MS1) 10, mobile station (MS2) 11, radio network controller (RNC1) 20, radio network controller (RNC2) 21, home location register (HLR1) 30, home location register ( HLR2) 31, SGSN1 (40), SGSN2 (41), GGSN (50), and Internet 60. In this embodiment, it is assumed that the called user has subscribed to the call forwarding service, and preferably, one or more supplementary functions such as the call forwarding function are set at the same time, which is used to unconditionally transfer all packets directed to the user's IP address call, and only forward packet calls if there is no response to the page. Also, in the case of a subscription to the call forwarding service, it is possible to set incoming packet calls to be forwarded to one or more pre-assigned URL addresses, certain server addresses or ot...

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Abstract

A system and method for forwarding a packet call for a mobile subscriber to a pre-assigned URL address, a defined server address, or another mobile station. This is achieved by setting supplementary features and ordering call forwarding services. According to one embodiment, the method includes: if routing information is requested according to the packet call setup request, determining whether the corresponding called user subscribes to a call forwarding service and sets an unconditional forwarding function by retrieving user information. Then, according to the routing information generated by the result of the determining step, a packet call is established for all packet calls directed to the IP address of the called user and transferred to the forwarding address. Thus, incoming group calls can be diverted and automatically routed to the business home page.

Description

technical field [0001] The present invention relates to a communication system, in particular to a system and method for transferring group calls in a mobile communication system, Background technique [0002] Figure 1 shows the next generation General Packet Radio Service (GPRS), which is expected to include Mobile Station (MS) 1, Radio Network Controller (RNC) 2, Home Location Register (HLR) 3, Serving GPRS Support Node (SGSN) 4 , Gateway GPRS Support Node (GGSN) 5, and the Internet 6. [0003] RNC is a radio network control system. HLR is a database that manages mobile subscribers, stores all subscriber information, and manages location information (circuit / packet) for incoming call routing. [0004] SGSN is a GPRS support system, which operates with RNC through the Iu interface. Similarly, SGSN operates with GGSN through Gn interface and supports GPRS service of MS. [0005] The GGSN operates together with the packet switching network and the SGSN using the IP backbo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/20H04Q7/38H04B7/26H04M1/26H04L12/56H04M3/54H04M7/00H04W4/16
CPCH04M3/54H04M7/006H04W4/16
Inventor 朴昭铉
Owner ERICSSON-LG