发明名称 VoIP service over an ethernet network carried by a DWDM optical supervisory channel
摘要 A local area network is used to interconnect media equipment, such as telephones, VoIP telephones, a media server, etc., located at geographically distributed sites of an optical communication system. The local area network may be implemented within an optical services channel carried by a WDM optical communication link. This may provide the needed connectivity at low costs and may allow conference calls to be accommodated.
申请公布号 US7489867(B1) 申请公布日期 2009.02.10
申请号 US20020139455 申请日期 2002.05.06
申请人 CISCO TECHNOLOGY, INC. 发明人 VISCARDI VALERIO;ARECCO FULVIO;RAVASIO FILIPPO BENTIVOGLIO
分类号 H04B10/20;H04J14/00;H04L29/06;H04Q11/00 主分类号 H04B10/20
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