scope:

The present document provides the definition, administrative aspects and operation for the Anonymous Call Rejection Supplementary service. Whilst the service description is generic there may be stage 2 and 3 requirements or other requirements for specific networks. Where there are identified issues for specific networks these will be indicated either in the relevant place in the text or in an annex. The present document specifies a service as instructed by article 8, clause 3 of the EC Telecomms Data Protection Directive (97/66/EC [1]) - see annex E for the relevant extract from this directive.