Make VoIP secure: tips and tricks

It is convenient when you make calls via VoIP, but there are also dangers. This practical tip will tell you how to make VoIP telephony secure.

Make safe calls over the Internet with VoIP - you should note that

VoIP telephony is the inexpensive and convenient alternative to a landline phone. However, you should keep the following tips and tricks in mind when making calls to protect yourself.

• First of all, you should take care of the security of your network: Therefore, assign a strong password for your WLAN network and the administrator interface of your router so that attackers have no access here. You can see how to choose a secure password in our video.
• You should also always have the latest antivirus software and a firewall installed on your PC.
• Make sure that you only install software that you trust. Always keep it up to date.
• Last but not least, the NSA scandal has shown that with the necessary know-how, almost all information that is sent over the Internet can be heard. If you want to be on the safe side, think of the postcard principle when making calls over VoIP: Don't tell anything that you wouldn't write on a postcard.
• We also advise against using VoIP over a public network as this makes it easier to access information.
• Encryption software can make VoIP more secure, for example for smartphones.

We'll tell you exactly what VoIP means in the next practical tip.