答:交换机线务员在进行外线维护时,经常需要查某对线对应的电话号码,普通的方法是与维护台机务员配合,在用户线接测试话机,摘机查其对应的用户板上亮灯的用户逻辑位置,在维护台通过用户人机命令“change-spn-adn”即可查到,该方法较为麻烦,且非要在机房操作维护台才能 A: The switchboard attendant often needs to check the telephone number corresponding to a certain line when performing outside maintenance. The common method is to cooperate with the attendant of the maintenance desk to pick up the test phone on the subscriber line and pick up the corresponding user board Lighted user logical position, the maintenance console through the user command “change-spn-adn” can be found, the method is more troublesome, and you have to operate the maintenance console in the engine room