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通话毕,用前向拆线和后向释放两种类型进行释放处理。这两种类型的处理是不同的,前向拆线是基本的处理方法,后向释放不过是把它变成前向拆线的情况后,再按照前向拆线类型进行处理。下面先讨论前向拆线,再讨论后向释放。6.1 前向拆线根据释放类型的不同,处理上也完全不同,先讨论主叫先挂机的前向释放程序。前向释放分五个段落共28个消息,消息的序号表示在图6.1前向释放流程图和下列说明中。
Call completed, with the former stitches and release the two types of release release. The two types of processing are different, the front stitching is the basic approach, the release is just after the release of it into the front stitches, and then follow the type of forward stitching for processing. The following discussion of the former stitches, then discuss the release later. 6.1 Forward stitching Depending on the type of release, the handling is also quite different. The process of forward release of the caller first is discussed first. The forward release consists of 28 messages in five paragraphs. The message numbers are shown in the Figure 6.1 Forward Release Flowchart and the following instructions.