本刊1999年第6期刊登的《如何使用自动拨号功能》一文,详细介绍了免提电话机自动拨号的操作,并提及T1894电话机中专门设置了三个直拨键,以方便遇急求救。笔者在使用该电话机用300卡拨打长途电话时,偶尔突发灵感,何不用该机的存储功能把300卡的介入码、卡号、密码等长达二十多位的号码存入,使用时 Published in the sixth issue of 1999, “How to use the automatic dialing feature,” a text that details the hands-free telephone dial-up operation, and mentioned T1894 telephone set up three direct dial keys to facilitate emergency . When I use this telephone to make a long-distance call with 300 cards, I occasionally burst of inspiration, why not use the machine’s storage function of the 300 card access code, card number, password, such as up to more than twenty numbers stored, when used