发明名称 |
Extended handset functionality and mobility |
摘要 |
A system includes an enterprise network having a call control system that manages telephony services for wireless handsets. At a remote site, a computing device establishes a secure, wireline communication session with the enterprise network. The computing device also establishes wireless, packet-based links with one or more handsets. The device acts as a relay to enable the handsets to receive telephony services managed by the enterprise network even though outside of the service area of the enterprise network. |
申请公布号 |
US2004097259(A1) |
申请公布日期 |
2004.05.20 |
申请号 |
US20020300040 |
申请日期 |
2002.11.19 |
申请人 |
CISCO TECHNOLOGY, INC. |
发明人 |
TOOR KAMALDIP;HAYASHI STEVEN;LAUX CARLOS V.;DE SIQUEIRA MARCIO GUIDORIZZI;VALLURU SUDHAKAR SRINIVASA |
分类号 |
H04L12/56;H04M1/725;H04M3/42;H04M7/00;H04M7/12;H04Q7/32;(IPC1-7):H04B5/00 |
主分类号 |
H04L12/56 |
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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