| 发明名称 |
Systems and methods of call setup |
| 摘要 |
Systems and methods of call setup and information delivery are provided. Calls can be setup between communication units supported by a local area network and those supported by a wide area network using presence information of either or both of the wide area and local area networks. |
| 申请公布号 |
US8400953(B1) |
申请公布日期 |
2013.03.19 |
| 申请号 |
US20070751287 |
申请日期 |
2007.05.21 |
| 申请人 |
GUNASEKARA DON;LANGLOIS PETER R.;NEXTEL COMMUNICATIONS INC. |
发明人 |
GUNASEKARA DON;LANGLOIS PETER R. |
| 分类号 |
H04L5/16 |
主分类号 |
H04L5/16 |
| 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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