International Partners

TSDSI is a full Sector Member of ITU-T (Standardization) and ITU-R (Radiocommunication). This gives India direct participation rights in ITU study groups, expert groups, and policy fora. TSDSI leads India's technical contributions to ITU-T SG2, SG11, SG13, SG17, and ITU-R SG5 (IMT standards).

TSDSI joined 3GPP as an Organizational Partner, enabling India to formally submit technical contributions (TDocs) to 3GPP working groups. TSDSI has successfully contributed India-specific requirements to 3GPP specifications and submits the LMLC feature for NR and LTE.

TSDSI is a founding and full partner in oneM2M — the global IoT standards body — representing India's IoT standardization needs. Through oneM2M, TSDSI contributes to IoT service layer standards, security, and India use cases including Smart Villages and Digital Agriculture.

TSDSI holds Associate Membership status at ETSI, enabling participation in select ETSI technical committees and working groups relevant to India, particularly in NFV/SDN, MEC (Multi-access Edge Computing), and cybersecurity standards.

Through its operator and OEM members, TSDSI coordinates with GSMA on technical positions affecting Indian mobile networks, including spectrum, roaming, IoT SAFE, and next-generation subscriber identity standards.

TSDSI maintains liaison relations with IEEE Standards Association, enabling coordination on complementary standards such as 802.11 (Wi-Fi), 802.3 (Ethernet), and emerging AI/ML standards relevant to telecom networks.