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.

NICC Testimonials, taken at the 2013 Open Forum


A 'Users' Guide to Standards', that explains how our standards link together, will be available on this site soon. 

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. 


IET News

The IET have launched a new Cyber Security Consortium.  

Anyone interested in this Consortium should click on the link.


The following conferences are organised by the IET and may be of interest to NICC members. Please use the contact details on the specific conference page for any further details.

No conferences are being advertise. 




Latest news

NICC Open Forum and AGM 2013

The NICC Open Forum and AGM 2013 was held at One Great George Street, London on the 28th November 2013. 

2013 Open Forum highlights

The presentations and interviews from this event are now available.



New NICC SIP specifications are now available on the 'Publications' page;

ND1437 Guidelines for the Tracing of Calls Across and Between Networks and Annex A


ND1436 “Wires-only” VDSL2 Modem Test Plan, and the associated spreadsheets

 ND1647 SIP-NNI Basic Voice Architecture, and 

ND1035 SIP Network to Network Interface Signalling 


NICC current work

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

  • Nuisance Calls and CLI
  • SIP NNI and Corporate Network Connection
  • IP access to Emergency Services
  • Interworking between network protocols

These and more current work areas are detailed here.  

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