NICC current work

NICC specifications are being developed for the following technical activities and interfaces:

  • Ensuring interoperability of IP networks and service, developing signalling protocol interfaces
  • Stopping nuisance calls, managing CLI rules and implementation guidance
  • Delivering emergency calls over the network
  • Providing customer and network protection guidance
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Latest Publications

Download ND1448 Guidance to Providers on interpretation of the terms PECN and PECS in relation to the Telecommunications (Security) Act 2021
Guidance to Providers on interpretation of the terms PECN and PECS in relation to the Telecommunications (Security) Act 2021
Download ND1035 SIP Network to Network Interface Signalling
SIP Network to Network Interface Signalling
Download ND1016 Requirements on Communications Providers in relation to Customer Line Identification display services and other related services
Requirements on Communications Providers in relation to Customer Line Identification display services and other related services
Download ND1214 UK Requirements for a Common Database
UK Requirements for a Common Database
Download ND1431 Guidance on CPE Compatibility for All-IP Telephony Networks
Guidance on CPE Compatibility for All-IP Telephony Networks
Download ND1446 General Security for Public Electronic Communication Network Service Providers
General Security for Public Electronic Communication Network Service Providers
Download ND1445 All IP Telephony Industry guidance and Lessons Learnt
All IP Telephony Industry guidance and Lessons Learnt
Download ND1132 Guidance for the transport of data in an All-IP Telephony world
Guidance for the transport of data in an All-IP Telephony world
Download ND1704 V4.2.1 End-to-End Network Performance Rules & Objectives for the Interconnection of NGNs
End-to-End Network Performance Rules & Objectives for the Interconnection of NGNs
Download ND1447 V1.1.1 Guidance on blocking of inbound international calls with UK Network Number as CLI
Guidance on blocking of inbound international calls with UK Network Number as CLI
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NICC Open Forum

The 2023 NICC Open Forum will take place on the 9th November 2023. The slides from the 2022 NICC Open Forum are now available.

Please following the link below.

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About NICC

NICC Standards Limited is a technical forum for the UK communications sector that develops interoperability standards for public communications networks and services in the UK. It is an independent organisation owned and run by its members.

It is now necessary to be a member to participate in NICC activities. Learn more about NICC membership.

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