Reducing International Call Costs for Roamer to Roamer Calls

Existing mobile telecom operators allow subscribers to receive mobile phone services when they roam in other countries. However, call setup to an international roaming subscriber is indirectly routed through the home network of the subscriber, which results in the usage of two expensive internationa...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2010-10, Vol.59 (8), p.4131-4134
Main Authors: CHEN, Yuan-Kai, LIN, Yi-Bing, LIOU, Ren-Huang
Format: Article
Language:English
Subjects:
Applied sciences
Business and industry local networks
Computer science
Costs
Electrical engineering. Electrical power engineering
Electrical power engineering
Equipments and installations
Exact sciences and technology
Home automation
International roaming
Joints
Mobile handsets
Mobile radio mobility management
Mobile radiocommunication systems
mobile telecom service
mobility management
Networks
Networks and services in france and abroad
Operators
Permission
Power networks and lines
Radiocommunications
Services and terminals of telecommunications
Switches
Systems, networks and services of telecommunications
Telecommunication services
Telecommunications
Telecommunications and information theory
Telephone sets
Telephone. Videophone
Telephones
Telephony
Teleprocessing networks. Isdn
tromboning
Trunks
Users connections and in door installation
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Description
Summary:Existing mobile telecom operators allow subscribers to receive mobile phone services when they roam in other countries. However, call setup to an international roaming subscriber is indirectly routed through the home network of the subscriber, which results in the usage of two expensive international telephone trunks. In this paper, we propose a plug-in roaming gateway to avoid the international trunk connections. Our solution is especially attractive when both call parties are roamers.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2010.2063251