no register

  1. SIP trunk does not register using proxy IP and TLS

    Hi! I encounterd the following problem using current V16.0.8.16 on Windows 10. Our provider "3" in Austria provides a proxy without a domain name (just IP address and custom port). The realm is a FQDN. IPv4 Protocol is TLS only, a certificate is provided. After configuring the SIP trunk 3CX is...