toll calling controller
长途呼叫控制器
Business policy and plan
经营方针和计划
calling the soundings
报水深
call and calling subscribers release
被叫和主叫用户双方话终拆线
Business graphic
【大陆用语】事务图像
calling party discrimination
被叫用户识别
business activities’ test
按企业活动测试
code calling system
编码呼叫系统
business hall with hundreds of computers
百脑汇营业厅
parallel automatic calling
并行自动呼叫
supplementary calling frequency
补充呼叫频率
toll calling control function
长途电话控制功能
Business Equipment Trade Association
办公设备行业协会