I've tried to add sip trunk with this configürations but I can't create the trunk. It's not allow me to write domain to host. If I change the domain with the IP adress, it works. But, I need to write domain. https://cdn.discordapp.com/attachments/1401844544965967934/1401844545200717865/riZP5SeQvzQSBAASGhEAu5yBLyBIEIACBKAFkKVWpMJ2BwLYE2vClZh7FcQhAAAKtCCBL0SRp2ycyFSAAgcwTQJYyf4sZYOYI5B2nVbqDTUEAAhDojACyhCxBAAIQiBJAljKXSUdvMQPMIgFkCQIQgEDyBP4KzcqaZ22fLe4AAAAASUVORK5CYII.png?ex=6891c0f8&is=68906f78&hm=7e1bc61982d7aceef7070de89bc525e7e9c7dfeefcf9dead0b0b07888494bf08&

Vapi currently only supports IP addresses not domain names in the SIP trunk host field, as it defaults to using [sip.vapi.ai](http://sip.vapi.ai) internally and doesn’t allow domain overrides, so using an IP is the only workaround.