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× Questions about A400/800/1200 Analog Interface Card

asterisk通过o口呼出时,o口能不能不给先answer

13 years 9 months ago #5872 by yanglei02xx02
asterisk通过o口呼出时,o口能不能不给先answer,等用户真正接通时再接通
13 years 9 months ago #5877 by Denins.Den
这个没有办法,asterisk不是按对方接通才算answer的,有的客户以通道中检测有没有声音来确定是否接通,问题是如果运营商放彩铃的话这样的方式同样不行,最可靠的是极性反转
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