For access to this article, please select a purchase option:
IET members benefit from discounts to all IET publications and free access to E&T Magazine. If you are an IET member, log in to your account and the discounts will automatically be applied.
Your recommendation has been sent to your librarian.
Inspec keywords: security of data; telephone networks; software packages; switching networks; circuit switching; telecommunication network management; telecommunication computing; telecommunication network routing; telephone traffic
Subjects: Security aspects; Communication network design, planning and routing; Network management; Communication switching; Programming support; Communications computing; Telephony