If it's issue due to blocked ports or Router setup, changing to
If it's issue due to blocked ports or router setup, changing to another ATA won't help.
我的一個ata在這邊配置sipgate好好的,放到中國愣是打不通。中美兩邊都用同樣的nonoh帳號,可用IPKALL,中國那邊就不響鈴。
This could be router setup problem.