1.Check the trunk status which the voice gateway devices.
2.Check whether the phone registration is right.
3.Check whether the call is sent to FXO.
4.The phone line not be supported for a domestic long-distance call.
5.Check whether the CINA team is using Trunk or not and whether the account is in accounts groups.
6.Check whether the phone line arrears.
Mon ~ Fri: 9:00 ~ 19:00
1402, Jingting Building, Guangming District, Shenzhen City, Guangdong Province, China
zchen@equiinet.cn

