Caller line identification in mobile number portability

Abstract

A system, a method, and a computer product are provided for facilitating mobile number portability. The method includes receiving a registration message at a signaling gateway (SG) for an International Mobile Subscriber Identity (IMSI) associated with a subscriber ported-in in a first network. The method further includes replacing at the SG, a first Mobile Station International Subscriber Directory Number (MSISDN) with an original MSISDN in a registration response message sent upon receipt of the registration message.

Description

[0001] related application [0002] This application is a continuation-in-part of, and claims the benefit of, U.S. Provisional Patent Application Serial No. 60 / 764,032, filed January 31, 2006, entitled "SIMM Changes," the entire contents of which are Included here as a reference. technical field [0003] The present invention generally relates to roaming users in mobile networks. More specifically, the present invention relates to mobile number portability for roaming subscribers in mobile networks. Background technique [0004] More and more users are using mobile phone services. They may wish to switch from a network operator in one country to another in the same country without changing their mobile number (MSISDN). As a result, the use of Mobile Number Portability (MNP) has gained popularity. The use of MNP enables a subscriber of one network operator to become a subscriber of another without changing their mobile number. Users using MNP can port-out their original ...

AI Technical Summary

Problems solved by technology

Therefore, this can cause confusion for other users receiving calls from the exported user's new number, because they do not know the user's new number

[0007] One or more of the above technologies cannot provide the original number when the user calls from the first network or uses value-added services (VAS)

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