The home of network interoperability standards
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Developing interoperability standards for the UK

NICC 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.

The NICC members' site [login required] contains information about forthcoming meetings, working and draft documentation. 

NICC is a trade mark of NICC Standards Ltd.






Latest news

Published on our Governance page - the NICC Modern Slavery and Human Trafficking Statement

NICC Open Forum and AGM 2017

The NICC Open Forum and AGM 2017 will be held at One Great George Street, London on 8 November 2017. 

The NICC Open Forum and AGM 2016 was held at One Great George Street, London on 10 November 2016. 

The presentations from the event are available here.


New NICC standards are now available on the 'Publications' page;

NICC Security TG statement on ND1643V4.1.1

ND1034V1.1.1 - UK SIPconnect Endorsement

ND1440V1.1.1 - Guidance for the use and secure implementation of SIP Application Layer Gateways (ALG)

Previously publish standards;

ND1405V4.1.1 - Guidelines on the Use of DSL Transmission Systems in the BT Access Network


NICC current work

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

  • ALL IP end to end
  • Nuisance Calls and CLI
  • SIP NNI and Corporate Network Connection
  • IP access to Emergency Services
  • Interworking between network protocols
  • SIP Overload Control
  • Minimum security requires for interconnection CPs
  • Overlapping Gfast and VDSL

These and more current work areas are detailed here.  

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