The TETRA Enhanced Data Service (TEDS) is a next-generation TETRA enhancement which can bring data-centric field operations to life. But, as Tero Pesonen explains, its new extension, Direct Access, has features which will offer even more be
To meet the needs of traditional PMR user organisations, a wide range of V+D services and facilities have been provided in the standard, of which the most important are considered to be: Voice Services Group Call (commonly called all infor
