重新换台电脑安装,IRQ不冲突,zttool 显示链路正常,但是进入 asterisk ,不断的报
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
== Primary D-Channel on span 1 down
== Primary D-Channel on span 1 up
通话不到10秒就断,杂音很大,故障依旧。