can not make call

  1. Solved Can't connect when failover IP is active

    Hi, 18.0 (Build 939), Microsoft Azure, Local SBC I have 2 service providers, Comcast (Main) and RCN (failover). When the main fails then the system (Unifi UDM-PRO) switches to RCN. 3CX can not connect when on RCN, all the phones flash showing they are disconnected until COMCAST is restored. I...