scope:

The present document specifies how Integrated Services Digital Network (ISDN) services may be provided over Digital Enhanced Cordless Telecommunications (DECT) endsystem configurations. Apparatus claiming interoperability based upon the ISDN Access Profile (IAP) shall fully comply with the process mandatory technical requirements and those for optional features so far such are provided. Both public ISDN and private ISDN are within the scope of the present document. An IAP is specified, defining how particular ISDN services are supported, so that inter-operability of DECT equipment can be achieved at the air interface for these services. Apparatus claiming the provision of any service feature listed in the present document should comply with the corresponding process mandatory technical requirements.