3rdman 发表于 2015-3-7 16:51 RNR - ring no reply by pass filter, try handset diretly into jackpoint.
残淡 发表于 2015-3-7 17:03 试过了 还是不行啊
3rdman 发表于 2015-3-7 22:59 都說了找你的ISP log fault阿 假如問題在ETP以外的線路你也看不出來