Error 1007 indicates a communication problem between the browser and FreeSWITCH. FreeSWITCH is an application server for real-time communication and related functions.
Possible reasons may include:
User error: Your firewall is blocking the connection; please check the IP address or open port 80
Error with DER SEMINAR: The TALK+ server or the HTML5 client is causing issues; please contact us here
In addition, Network Address Translation (NAT) could also be blocking the connection.