What are the benefits of using a Philips DECT phone? Published on 2017-02-28 Mobile phones are convenient to use, however, in some aspects Philips DECT phones may be a better choice. Here are some reasons why: Mobile network coverage can be very weak in some indoor areas such as basement. In this situation, DECT phone gives a stable connection. DECT technology is of low power emission compared with mobile phone technologies DECT phone offers a longer talk time in general