Port 4569 is open on both hosts - yet no connection - App_rpt-users - AllStarLink Discussion Groups
show iax2 peers MASK NULL - GOautodial Open Source Omni-channel Contact Center Suite - GOautodial Open Source Omni-channel Contact Center Suite (predictive dialer + inbound IVR & ACD + non-voice)
IAX2 - TD-er's Wiki
FreePBX – John's Blog
How to configure Yate as IAX server - Yate Documentation
IAX2 Stream Analysis Window in Wireshark - GeeksforGeeks