VoIP stands for Voice over Internet Protocol. This means that you make call from your landline via the internet. Because you make wireless calls via WiFi, your fixed telephone costs will be lower. Are you looking for a landline telephone for the office? Then we recommend that you buy a VoIP phone. That way, you can make calls to IP addresses all over the world, without additional costs for your company. In addition, the call quality of internet calls is considerably better. The number of conversations you can have simultaneously is unlimited. That means you can use multiple VoIP handsets within the same building.