发明名称 |
High availability telephone set with backup line |
摘要 |
<p>A high availability telephone instrument, comprising a primary communications link interface (160) connected to a primary communications link; at least one backup communications link interface (200, 210) connected to at least one backup communications link; and a controller connected to for detecting failure of the primary communications link and in response selecting the at least one backup communications link for providing voice communication between the telephone instrument and the backup communications link.
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申请公布号 |
EP1463280(A3) |
申请公布日期 |
2006.03.22 |
申请号 |
EP20040251746 |
申请日期 |
2004.03.25 |
申请人 |
MITEL NETWORKS CORPORATION |
发明人 |
DAVIES, JIM N. |
分类号 |
H04M1/733;H04M1/725;H04M1/738;H04M1/74;H04M9/00 |
主分类号 |
H04M1/733 |
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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