回複：CALL-IN，CALL-OUT非要在不同的線嗎？我的在同一條線，CALL-IN不響鈴。

來源: 於 2009-10-07 10:31:55 [舊帖] [給我悄悄話] 本文已被閱讀：次

do you mean set SG as CALL-IN in line 2 too? How to do that?