Method and device for realizing local service for subscriber calling local roaming

Abstract

The present invention is method and device for realizing local service for subscriber calling local roaming. The method is that when the subscriber of other network calls roaming subscriber to the local place, the calling is adapted to the local mobile communication network; the local communication network requests routing information to the roaming subscriber attributing network via signaling connection and performs communication connection to the called subscriber in the local mobile communication network. The device has local service processing module increased to the calling control network element in available mobile communication network to match the available calling control module for the local service of calling local roaming subscriber. The present invention can save radio network resouce, improve subscriber's communication quality, and lower communication cost.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a method and device for realizing localized service for calling a local roaming user. Background technique [0002] At present, after a user roams to a different place in the mobile communication system, the specific process of dialing the user B from a fixed user or a mobile user A in another network in the roaming area is as follows: figure 1 As shown, referring to process 1 to process 8 in the figure, at first the call needs to be routed to the home of the roaming user, and the mobile switching center gateway B at the home is connected to the mobile communication network, and the HLR (home) at the home location register) to query user information to determine the current roaming place where the user is, then, determine the communication route according to the HLR of the user's home place and the VLR (visitor location register) of the roaming place, and pas...

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Problems solved by technology

[0003] From the above process, it can be seen that after the user roams in the existing mobile communication system, the long-distance detour route generated when the user of the other network in the roaming place calls the user, not only wastes limited wireless network resources, but also reduces the call quality between users , while greatly increasing the communication costs of the calling and called users; Among them, other network users in roaming areas include fixed users and users in different mobile communication networks from roaming users

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