We purchased these telephones as a replacement for our old VTechs. We had a problem with our phone system and as a result purchased new phones during the diagnosing phase. Our VTechs lasted over 10 years and, as it turns out, were still working well. So we replaced them with VTechs and glad that we stayed with the same manufacturer. The new phones have all the features we expected and they work great with our phone company's set-up. Easy to create your own directory, retrieve numbers, etc. Most of the functions I did without reading the manual. Very user friendly. You will be glad you purchased this phone system.