| 发明名称 |
System For Switching Over A Voice Call |
| 摘要 |
A telephone adapted to switch a voice call from an Instant Messaging (IM) based voice network to a cellular voice network.
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| 申请公布号 |
US2012322442(A1) |
申请公布日期 |
2012.12.20 |
| 申请号 |
US201213598133 |
申请日期 |
2012.08.29 |
| 申请人 |
HO CHI FAI;CHIU SHIN CHEUNG SIMON;TP LAB INC. |
发明人 |
HO CHI FAI;CHIU SHIN CHEUNG SIMON |
| 分类号 |
H04W36/14 |
主分类号 |
H04W36/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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