发明名称 |
Security module for encrypting a telephone conversation |
摘要 |
A telephone conversation between one or several first telecommunication terminals in a packet oriented data network and telecommunication terminals in an analog and/or digital network is encrypted by a module which enables the use of protocols from a LAN network to a TDM network to carry out end-to-end encryption. |
申请公布号 |
US2007121582(A1) |
申请公布日期 |
2007.05.31 |
申请号 |
US20040580954 |
申请日期 |
2004.11.09 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
FRIES STEFFEN |
分类号 |
H04L12/66;H04K1/00;H04L9/08;H04L29/06;H04M1/253;H04M7/00 |
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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