| 发明名称 |
Heterogeneous device chat room system and method |
| 摘要 |
A chat group system and method are provided that permit a communications system to implement an easy-to-use, multi-user, push-to-talk, instant communications functionality with heterogeneous access devices.
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| 申请公布号 |
US7764972(B2) |
申请公布日期 |
2010.07.27 |
| 申请号 |
US20070710119 |
申请日期 |
2007.02.22 |
| 申请人 |
VOCERA COMMUNICATIONS, INC. |
发明人 |
SHOSTAK ROBERT E. |
| 分类号 |
H04B7/00;H04L12/18;H04L12/58;H04L29/12;H04W4/10;H04W8/26;H04W52/02;H04W76/02;H04W84/12;H04W88/08 |
主分类号 |
H04B7/00 |
| 代理机构 |
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代理人 |
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