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WTPF 2026

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ITU-T E.192 (02/2026)

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International telecommunication numbering, naming, addressing and identification (NNAI) resources for Internet of things and machine to machine (IoT/M2M) services and applications
Recommendation ITU-T E.192 and the international numbering, naming, addressing and identification (NNAI) resources referenced within will facilitate access to Internet of things (IoT)/machine-to-machine (M2M) services/applications provided at the global level, thereby enabling subscribers of that global IoT/M2M service/application to participate in a defined set of subscribed services on the basis of a unique, network-transparent NNAI resource across multiple networks from any fixed device and or mobile device, irrespective of geographic location, limited only by network capabilities and restrictions imposed by the national legislation and the operator.
Citation: https://handle.itu.int/11.1002/1000/16475
Series title: E series: Overall network operation, telephone service, service operation and human factors
  E.100-E.229: International operation
  E.190-E.199: Numbering plan of the international telephone service
Approval date: 2026-02-13
Provisional name:E.IoT-NNAI
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 2
Further details: Patent statement(s)
Development history
[9 related work items in progress]