scope:

This European Telecommunication Standard (ETS), part of the Integrated Services Digital Network (ISDN) Digital Enhanced Cordless Telecommunications (DECT) interworking profile, specifies the set of technical requirements for DECT Fixed Parts (FPs) and Portable Parts (PPs) necessary for the support of the ISDN-DECT Access Service (IAS). Apparatus claiming interoperability based upon this IAP has to fully comply with the process mandatory technical requirements, and those for optional features so far as they are provided for it in this ETS.