文件名称:IP-telephony-billing-system-design
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IP电话计费系统设计方案--为从事IP电话计费系统设计开发的朋友提供学习。IP telephony billing system design - as in the IP telephony billing system design and development of the friends of learning.-IP telephony billing system design- as in the IP telephony billing system design and development of the friends of learning.
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IP电话计费系统设计方案.doc