忙线用户呼叫完成  Completion of Calls to Busy Subscriber

前向呼叫-呼叫转移  call center

被呼叫用户  called party

被叫用户线路状况的信号  called-paryt’s-line-condition signal

被叫用户线路状况的讯号  signal; called-party’s-line-condition

非对称数字用户线接入网  ADSL access network

呼叫用户  call subscriber

模拟用户接线器  analog line switch

数字用户线接口电路  digital subscriber line interface circuit

数字用户线接入复用器  DSLAM; aerobic bacterial culture; DSL access multiplexer; ip-dslam

数字用户线接入复用器(DSLAM)  digital subscriber line access multiplexer

数字用户线接入复用器DSL接入复用器  DSIDSL access multiplexer; DSDDSL access multiplexer

数字用户线接入复用设备  DSLAM

完成到示忙用户呼叫  acid site model

用户呼叫型样  user calling pattern

用户忙线时的呼叫转接  call forwarding on mobile subscriber busy

用户线接口电路  ZIPSubscriber Line Interface Circuit; Zobel filtersSubscriber Line Interface Circuit

用户线接口控制器  SLIC:Subscriber Line Interface Controller

用户用户业务主持人运营商  UserApplicatorEmceeOperator