摘要
通过实例介绍了在宁夏电力行政交换网中,运用基群速率综合业务服务网(PRI)信令方式接入某些电厂或变电站的专用分组语音交换机(PBX)设备的两种方式。通过分析对比得到优选的接入方式,阐述了其实际推广使用的价值。
Through an example introduces two ways of applying the Primary Rate ISDN(Integrated Services Digital Network) (PRI) mode connecting with the PBX (Private Braneh telephone Exchange) of some power plants or transformer substations in Ningxia Electric Power Administrative Exchange Network, chooses an optimized mode by analyzing and comparing them, expounds the actual value of popularization and application of the mode,
出处
《宁夏电力》
2009年第2期7-10,共4页
Ningxia Electric Power
关键词
PRI
行政交换网
PBX
汇接交换机
本地电话号码
PRI (Primary Rate ISDN)
Administrative exchange Network
PBX (Private Branch telephoneExchange)
tandem exchange
local telephone number '