对于《家庭电子》2000年第10期《电话未通也计费的三种情况》一文,笔者有以下补充。电话未通也计费也叫超短时话费。如果用户查看话费的详细帐单,就会发现其上有几秒、十几秒到几十秒不等的超短时计费。一般用户都会问:这是怎么回事,谁会打一个只有几秒的电话? 超短时话费的产生与现代通信的终端设备多样化有着 For the “home electronics” 2000 No. 10 “phone can not pass the three cases,” a text, I have the following additions. Unbounded calls also called ultra-short-term calls. If you look at the detailed billing bill, you will find that there are a few seconds, ten seconds to tens of seconds to ultra-short billing. The average user will ask: What is going on, who will call a few seconds of the phone? Ultra-short-term calls with the emergence of modern communications terminal equipment diversification