1 Introduction
2 Structure of the ITU-T defined code
3 Procedure for the allocation of ITU-T
defined codes
3.1 Country code
3.2 Terminal provider code
3.3 Terminal provider oriented code
4 Disclosure of ITU-T defined codes
Annex A – List of country or area codes for non-standard facilities in
telematic services
Annex B – List of country or area codes for non-standard facilities in
telematic services (extension byte)