2021 NICC Open Forum is scheduled for the 16th November 2021.
Further information on the 2021 NICC Open Forum will be available after July 2021.
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
Latest Publications
Download ND1034 V2.2.1 UK SIPconnect Endorsement
UK SIPconnect Endorsement
Download ND1016 V4.3.1 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 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
Download ND1653 V2.1.1 Overload control for SIP in UK networks
Overload control for SIP in UK networks
Download ND1524 V1.1.1 VoIP Call routeing between UK networksEmergency Location Information Interface
VoIP Call routeing between UK networksEmergency Location Information Interface
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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