Linphone SIP Server Configuration Fix on CentOS

My Linphone SIP server on a CentOS Linux system is experiencing configuration errors preventing it from connecting. I need an experienced Linux and Linphone SIP server expert to diagnose and rectify the configuration issue.

Ideal Skills:
- Extensive knowledge about Linux (CentOS)
- Expertise in Linphone SIP server
- Strong problem-solving capabilities

Please, only apply if you can ensure a swift resolution to this configuration error.