Home Page › Forums › Network Management › ZeroShell › An explanation: why VoIP over WAN don’t work well with Linux › Reply To: An explanation: why VoIP over WAN don’t work well with Linux
I also encountered this problem a long time ago. I had no choice but to call a technical support. They told me that we have free service to fix that problem so I didn’t need to worry. After working, fortunately, I tried to call and the other line clearly heard my voice.