主要的问题是：当通话时，主叫和被叫都感受到明显的时延；另外还有一些回音现象。

Theonly issue was that both the other caller and I experienced significant delaybetween when we spoke, and when the other caller heard what we said.

youdao

主要的问题是：当通话时，主叫和被叫都感受到明显的时延；另外还有一些回音现象。

Theonly issue was that both the other caller and I experienced significant delaybetween when we spoke, and when the other caller heard what we said.

youdao