回複：估計你使用VOIP電話，如果是的話，做下麵的事

來源: 於 2010-05-13 15:50:35 [舊帖] [給我悄悄話] 本文已被閱讀：次

in your ATA, the line you are using, set DTMF Process INFO: yes, DTMF Process AVT: Yes
DTMF Tx Method: Auto.