Committed to connecting the world



​Membership categories

  • SECTOR MEMBER: Get access to all ITU-T Study Groups and to the full range of ITU-T activities.
  • ASSOCIATE: Participate in one chosen Study Group, at a reduced price.
  • ACADEMIA: Get access all ITU-T Study Groups at a special fee.

Lear more about ITU-T membership fees

Participation rights


  ​Sector MemberAssociateAcademia
Meeting attendanceStudy Groups (SGs)One SG
TSB Director's Ad Hoc Group on IPR --
Telecommunication Standardization Advisory Group (TSAG)-
World Telecommunication Standardization Assembly (WTSA)-
ITU Council --
ITU Plenipotentiary Conference (PP)--
Standards-making processContributions to Study GroupsOne SG
Comments on draft standards and working documentsOne SG
Consensus building processOne SG
Final decision-making--
Study Group leadership rolesEditorOne SG
RapporteurOne SG
Working Party Chair -
Study Group Vice Chair--
Study Group Chair--
Information access    ITU TIES account
ITU TIES email address
Mailing listsOne SG
Contributions and working documentsOne SG
Meetings' agenda and reports One SG
Draft ITU-T Recommendations One SG
Numbering ResourcesInternational Numbering Resources database:
- Country Codes & International Shared Country Codes 
- Issuer Identifier Number (IIN) 
Application for Shared Mobile Country Codes (MCC) and associated Mobile Network Codes (MNC) SG 2 only-
Application for International Shared Country Codes (CC) SG 2 only-