贵刊95年8期第5页介绍的电话限拨方法,虽然“彻底”限制了别人滥用自己的电话,但同时也限制了自己无法打出电话而给自己带来不便。这样的改装方法,只适用于一些没有必要打出电话的场所。笔者的办公室也曾经常因别人滥用电话打长话及长时间占用电话闲聊而烦恼,后来笔者利用话机的P/T开关及电话局已全部改为双音频拨号制这两个条件,在P/T开关上贴一块不透明海绵 The telephone dialing method described in Your Journal, 1995, p. 5, although it “thoroughly” limits the abuse of one’s own telephone, but at the same time limits the inconvenience that one can not make on the telephone. This modification method, only applies to some do not need to place a call. The author’s office also often because of abuse of other people long-distance telephone calls and telephone chatting and worry, then I use the phone’s P / T switch and the telephone office has all been changed to dual-tone dial-up these two conditions, the P / T switch attached to an opaque sponge