摘要
本文介绍了IP电话的整体结构和IP电话网关加密卡的实现。在具体介绍IP电话网关加密卡硬件实现原理和软件结构之后 ,对于加密卡功能改进和升级提出了更进一步的构想。
This paper pays special attention to the whole framework of IP Phone and the implementation of the encryption/decryption card in gateway. Bringing forward the principle of hardware design and software structure of the encryption/decryption design card in the implementation of IP Phone, the anthors conceine the further function and implementation of the encryption/decryption card.
出处
《电讯技术》
北大核心
2001年第4期128-131,共4页
Telecommunication Engineering
