SS 昨天剛解除一bug(Incoming call no audio).
I don't know if you edit ss dial plan. Maybe this is your problem. And you can use only one line for in and out, but you should do something for the dial out plan.
I don't know if you edit ss dial plan. Maybe this is your problem. And you can use only one line for in and out, but you should do something for the dial out plan.