Allowed Hosts List Could Not Be Read
You have selected the configuration option Use Allowed Host List, but the file $SYS_DIR/voip/allowedHostList.ini could not be read.
Please check that the $SYS_DIR/voip/allowedHostList.ini file is present, and readable by the Blueworx Voice Response user, then disable all VoIP trunks before re-enabling them.
Red
Log, System Monitor