- ITU-T Recommendations
The main purpose of this List is to indicate all the ITU-T (formerly CCITT) Recommendations currently in effect at the date of its publication.
- International Numbering Resources
Bureaufax Table, International Country Codes, ITU Carrier Codes, National Numbering Plan, Reserved and Assigned E.164 Network Codes, Universal Numbers
- ITU-T Conformity Database
A global database that will allow vendors to log products and declare conformity to ITU-T standards (ITU-T Recommendations).
- ITU-T Patents Database
In order to facilitate both the standards making process and the application of ITU-T Recommendations, the Telecommunication Standardization Bureau (TSB) is making available the ITU-T Patent Statements database composed of information that was communicated to the TSB by administrations, private enterprises, etc. that participate in the standards making activities of the ITU-T Study Groups.
- ITU-T Software Copyright Database
Some ITU-T Recommendations incorporate software. Implementors of these Recommendations may need a copyright license in order to implement a complying product. This database provides information that was communicated to the TSB with Software Copyright Statement and Licensing declaration forms.
- ITU-T Formal descriptions and Object identifiers databases
These free access databases contain machine procesable copies of the formal information included in ITU-T Recommendations. Formal description languages include ASN.1, XML, MIB, LDIF, GDMO, UML. Object identifiers database include the UUID, a unique object identifier server.
- ITU-T Test Signal Database
ITU-T Test Signal Database contains a collection of audio, still image and video test signals that constitute a worldwide reference for assessing the end-to-end quality of telecommunications systems and for establishing the conformance of implementations to specifications within ITU-T Recommendations
- ITU-T Work Programme
This work programme is a real time application giving all information related to study group structure, work items, status, reference documents and contacts.
- ITU-T Terms & Definitions
Online database providing access to terms, definitions and acronyms defined within ITU-T and ITU-R normative publications.