| 发明名称 |
Intra-call display of billing rate information |
| 摘要 |
A real-time, cost-per-unit-time billing rate is determined for an in-progress telephone call of a wireless telephone. The real-time, cost-per-unit-time billing rate is displayed on a display of the wireless telephone during the in-progress telephone call.
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| 申请公布号 |
US2005182718(A1) |
申请公布日期 |
2005.08.18 |
| 申请号 |
US20040777774 |
申请日期 |
2004.02.12 |
| 申请人 |
SBC KNOWLEDGE VENTURES, L.P. |
发明人 |
KORTUM PHILIP T.;SMITH BARBARA E. |
| 分类号 |
H04M15/00;(IPC1-7):G06F17/60 |
主分类号 |
H04M15/00 |
| 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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