发明名称 |
Verfahren zur Guthabenerfassung im Fernsprechwesen |
摘要 |
The invention concerns a method in which credit is obtained from a credit vendor, the subscriber's telephone number and the amount of the credit being input into a device which contains a coding algorithm and emits a coded figure. In order to register the credit in a function unit of the telephone network, a special access code is dialled at the subscriber's telephone handset and the coded figure is then input.
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申请公布号 |
DE19528423(A1) |
申请公布日期 |
1997.02.06 |
申请号 |
DE19951028423 |
申请日期 |
1995.08.02 |
申请人 |
SIEMENS AG, 80333 MUENCHEN, DE |
发明人 |
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分类号 |
H04M17/00;H04W4/24;(IPC1-7):H04M15/00 |
主分类号 |
H04M17/00 |
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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