| 发明名称 |
Apparatus and method for providing call status information |
| 摘要 |
An apparatus and method use logical network connections to telephones interconnected by the network to obtain the status of station-specific telephony function information and then to convert the status of station-specific telephony function information to audio information that is presented to the user.
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| 申请公布号 |
US2004057422(A1) |
申请公布日期 |
2004.03.25 |
| 申请号 |
US20030406341 |
申请日期 |
2003.04.03 |
| 申请人 |
BURRITT DAVID RAY;MICHAELIS PAUL ROLLER |
发明人 |
BURRITT DAVID RAY;MICHAELIS PAUL ROLLER |
| 分类号 |
G09B21/00;H04M1/247;H04M1/253;H04M3/42;H04M3/487;H04M7/00;H04Q3/00;(IPC1-7):H04L12/66 |
主分类号 |
G09B21/00 |
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