| 发明名称 |
Call handling scheme to reduce roaming charges |
| 摘要 |
A second switch receives an indication from a roaming network that a call forwarded by the roaming network has been dropped by the roaming network, and in response to receiving the indication, forwards the call from a first switch. |
| 申请公布号 |
US8068830(B2) |
申请公布日期 |
2011.11.29 |
| 申请号 |
US20090625695 |
申请日期 |
2009.11.25 |
| 申请人 |
CARLSON STEVEN I.;RIFFE SCOTT E.;AT&T MOBILITY II LLC |
发明人 |
CARLSON STEVEN I.;RIFFE SCOTT E. |
| 分类号 |
H04W4/16 |
主分类号 |
H04W4/16 |
| 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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