Multiple IMSI connections
AssigneeLemko Corporation
InventorShaowei Pan
Life of this patent
Estimating the term…
Abstract
A system is disclosed that includes a first multiple International Mobile Subscriber Identity (IMSI) location register (MILR) module. The first MILR module includes user information associated with a plurality of mobile subscribers. For each of the mobile subscribers, the user information includes a first IMSI number and a first Mobile Directory Number (MDN). The first IMSI number and the first MDN are associated with a first country. The user information includes a second IMSI number and a second MDN. The second IMSI number and the second MDN are associated with a second country. The user information also includes active location information for each of the mobile subscribers.
Claims21
A system comprising:
- a first home location register module;
- a first visitor location register module;
- a first community location register module;
- and
- a first multiple International Mobile Subscriber Identity (IMSI) location register (MILR) module, wherein the first MILR module includes:
- user information associated with a plurality of mobile subscribers, and wherein for each of the plurality of mobile subscribers, the user information includes:
- a first IMSI number and a first Mobile Directory Number (MDN), wherein the first IMSI number and the first MDN are associated with a first country;
- a second IMSI number and a second MDN, wherein the second IMSI number and the second MDN are associated with a second country;
- and
- active location information,
- wherein when the active location information indicates that a particular mobile subscriber is located in the first country, the first IMSI number is active, the first MDN is an active local telephone number in the first country, and the second MDN is an active local telephone number in the second country, and
- wherein when the active location information indicates that the particular mobile subscriber is located in the second country, the second IMSI number is active, the first MDN is an active local telephone number in the first country, and the second MDN is an active local telephone number in the second country.
A method of routing telephone calls from a first country to a second country via an Internet Protocol (IP) network, the method comprising:
- receiving a telephone call to a first Mobile Directory Number (MDN) in a first country;
- determining a location of a mobile subscriber associated with the first MDN and a second MDN,
- wherein when the mobile subscriber is located in the first country, a first International Mobile Subscriber Identity (IMSI) number is active, and
- wherein when the mobile subscriber is located in the second country, a second IMSI number is active, the first MDN is an active local telephone number in the first country, and the second MDN is an active local telephone number in the second country;
- and
- when the mobile subscriber is located in the second country, routing the telephone call to the second country via the IP network.
Dependencies are inferred from the claim text.