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 ...

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