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DECT stands for Digital Enhanced Cordless Telecommunications. It is a wireless standard that is very often used for landline phones. Wireless communication has been given a big boost thanks to the introduction of the wireless standard.
DECT is to landline telephony what WiFi is to the Internet.
Now you know what DECT is and what benefits it brings, let’s now turn to how this technology works:
A DECT system always contains two components that constantly communicate with each other. The two components are a base station, also called the fixed part, and at least one handset, or portable part.
The base station forms the bridge between the telephone and Internet connection and the handsets. This can be in the form of a simple DECT base station with or without an answering machine or a DSL router with DECT function.
Nobody wants other people to listen in on their private conversations. In 2009, a group of engineers from the Technical University of Darmstadt published information about how DECT calls can be intercepted.
This resulted in manufacturers issuing very serious security updates. The security measures involved each handset logging on to the base station using a secret key, but these were no longer sufficient.
The standard encryption for DECT devices is 64-bit. Some manufacturers also use higher rates of encryption.
It is important to know that when using a DECT repeater, encryption will no longer be in place as it is strictly speaking a connection from handset to handset.
Various groups are continuing to look at improving security around DECT wireless signals and correcting potential security vulnerabilities.