发明名称 |
Automatic authentication system |
摘要 |
A communications system is designed to exempt communications services users, such as wireless communications subscribers and calling card callers, from entering an authentication code for calls directed to pre-selected destination numbers, notwithstanding the authentication code entry requirement implemented by the communications services provider for all other calls.
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申请公布号 |
US5737701(A) |
申请公布日期 |
1998.04.07 |
申请号 |
US19950538679 |
申请日期 |
1995.10.03 |
申请人 |
AT&T CORP. |
发明人 |
ROSENTHAL, EUGENE J.;SILVERMAN, DAVID PHILLIP;ZALESKI, MICHAEL |
分类号 |
H04M3/38;H04W12/06;(IPC1-7):H04M11/00;H04M3/00 |
主分类号 |
H04M3/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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