| 摘要 |
An improved public telephone system for providing telephony service access. In particular, the improved public telephone provides for telephony service access responsive to the use of any of a plurality of types of smart cards, each of the plurality of types of smart cards corresponding with a different one of a plurality of financial institutions. Such enhanced access is provided through the utilization of a plurality of security access modules, each of the plurality of security access modules corresponding with a different one of the financial institutions.
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