发明名称 |
Scaleable VoIP telephone line circuit |
摘要 |
A telephone subscriber line device for providing an interface between a legacy telephone circuit based on circuit-switched technology and a packet network has a legacy interface for connection to telephone circuit; a packet interface for connection to a packet network, processing circuitry for converting between legacy telephone signals and packet signals, and a cascadable expansion bus permitting multiple said devices to be connected to a common port on a packet network. Such a device is highly scalable.
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申请公布号 |
US7843954(B2) |
申请公布日期 |
2010.11.30 |
申请号 |
US20080332563 |
申请日期 |
2008.12.11 |
申请人 |
ZARLINK SEMICONDUCTOR INC. |
发明人 |
REESOR GORDON J.;BAIDAS ZAHER;NICHOLAS PAUL |
分类号 |
H04L12/66 |
主分类号 |
H04L12/66 |
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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