The ECT supplementary service enables an ISDN user who has two calls, into one call.
ECT补充业务能使具有两个呼叫的用户转移到一个呼叫中去。
Completion of Calls on No Reply (CCNR) is an ISDN supplementary service offered to the calling user.
无应答时呼叫的完成(CCNR)是一种向主叫用户提供的ISDN补充业务。
This Recommendation provides the stage 2 service description of the Three-Party supplementary service.
该建议提供三方补充业务的第2级业务描述。
Supplementary service: law firm, language training school, preparatory college, overseas school, employment agency.
配套服务：律师事务所、语言培训学校、预科学校、海外学院、就业机构等。
This Recommendation specifies the DSS 1 signalling requirement on the N-ISDN user-network interface for the Explicit Call Transfer (ECT) supplementary service.
本建议规定了在N - ISDN用户-网络接口上用于明确呼叫转移(ECT)补充业务的DSS1信令要求。
The call HOLD (HOLD) supplementary service, allows a user to interrupt communications on an existing call and then subsequently, if desired, re-establish communications.
呼叫保持补充业务能允许一个用户中断一个已经存在的呼叫的通信，随后在要求时仍可重建通信。
The supplementary information in academic writings appeals to the readers and provides documentary information service with grounds of index, transmission and statistics of information.
论著中的辅文信息倍受读者的重视，同时也为文献信息服务提供了信息检索、传递、统计的依据。
To built production workshop 4400 square meters, supplementary workshop 4600 square meters, public engineering 2000 square meters, service engineering 4000 square meters and other facilities.
新建生产车间4400平方米、辅助车间4600平方米、公用工程2000平方米、服务性工程4000平方米及其他配套设施。
Party A and Party C shall enter into a supplementary agreement to determine the service task that Party A entrusts Party C for and the service fees thereof.
甲方与丙方签署补充协议确定甲方委托丙方的服务任务及服务费。
I wish to apply for Automatic Add Value Service for Supplementary Credit Cardholder.
本人欲为附属卡客户申请自动增值服务。
I wish to apply for Automatic Add Value Service for Supplementary Credit Cardholder.
本人欲为附属卡客户申请自动增值服务。
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