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Authentication in Analogue Telephone Access Networks
| Content Provider | CiteSeerX |
|---|---|
| Author | Jøsang, Audun Johannessen, Knut |
| Abstract | Theft of communication resources in public telephone access networks is a problem for many operators and their subscribers. In this paper we describe a practical solution to the problem of intruders connecting to other peoples analogue telephone lines and making calls on their charges. As main criteria, the solution must be simple to implement and cheap to introduce on a large scale, while giving strong protection. A challenge-response authentication protocol is found to be the most suitable mechanism, and the implementation is described in some detail Key words Authentication, Access Network, Cryptography, Telecommunication Crime 1. Introduction The losses to customers and teleoperators due to theft of billable teleservices is not publicly known, but is estimated to 2-3% of the total world-wide revenue. This loss is partly due to theft occuring in the access network, and we will here present a solution to that problem. The telephone operator's switching equipment and billing system ... |
| File Format | |
| Access Restriction | Open |
| Subject Keyword | Many Operator Detail Key Word Authentication Main Criterion Total World-wide Revenue Challenge-response Authentication Protocol Telecommunication Crime Strong Protection Suitable Mechanism Telephone Line Analogue Telephone Access Network Billing System Communication Resource Telephone Operator Public Telephone Access Network Billable Teleservices |
| Content Type | Text |
| Resource Type | Article |
