General

Which IPs should I whitelist in my firewall?
If you use a firewall that limits access from and/or to certain IPs, please whitelist the IP ranges listed below for both INCOMING and OUTGOING traffic.  ...
Fri, 1 Nov, 2019 at 4:16 PM
How to perform a ping or traceroute?
To investigate a problem our support engineers may ask you to perform a ping or traceroute. This article will explain how to do this on Windows and Mac. ...
Thu, 7 Nov, 2019 at 10:41 AM
How to change packetization time in a Fritzbox device?
In case a customer faces the problem of sudden disconnects, the common solution is to adjust the packetsize from 30ms to 20ms.  Changing the packetsize ...
Fri, 8 Nov, 2019 at 10:35 AM