文件名称:NetworkingVoIP
介绍说明－－下载内容均来自于网络，请自行研究使用
Network Convergence and Voice over IP
These telephone networks have progressively evolved from the initial analog
circuits to the current digital networks with bandwidth in excess of 1 Gbps. For reasons of
varying bandwidth and networking requirements, different services were provided on
separate networks. For example, Telegraph networks, Telex networks, Telephone networks,
Facsimile networks, Cable networks and Data networks support different services, as their
names would suggest.
These telephone networks have progressively evolved from the initial analog
circuits to the current digital networks with bandwidth in excess of 1 Gbps. For reasons of
varying bandwidth and networking requirements, different services were provided on
separate networks. For example, Telegraph networks, Telex networks, Telephone networks,
Facsimile networks, Cable networks and Data networks support different services, as their
names would suggest.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
Computers NetworkingVoIPNetworkConverage.pdf