central office switches meaning in Chinese

局端交换机

Central office switches
局端交换机
The technical requirement and test method for the charging performance of currently used central office switching equipment - mobile network part
在用局用交换设备计费技术要求和检测方法?移动电话网部分
A digital central office switching system made by lucent . it is typically used as an " tandem switching office , switching long distance phone calls . see 5ess
朗讯公司生产的一种数字市话局交换系统。通常作为一种汇接交换局，转接长途电话。参见5ess 。
A gateway sits between a telephone system , such as a pbx or a central office switch , and a data network , such as the internet , and translates calls from one format to another
网关置于电话系统（如专用小交换机或者电话局内的交换机）和数据网络（如因特网）之间，把电话呼叫从一种格式变成另一种格式。