https://www.3cx.com/docs/sip-trunk/voxtelesys-usa/
Configuration Guide for Voxtelesys US SIP trunk with 3CX
Oct 18, 2022 - U.S. SIP trunk provider Voxtelesys can now be easily configured and selected for use with 3CX. Read the guide to get started.
configuration guidesip trunkvoxtelesysus