All publications in this category
The information contained in the NICC Standards published on this site were accurate at the time of publication. However, there are some details in older NICC Standards that are now out of date, for example –
• Crown Copyright
• Addresses, including those for Ofcom and The IET.
For all enquiries, please contact the NICC Standards Limited technical secretary at secretary@niccstandards.org.uk or call us on 0800 319 6050 or +44 (0) 20 7036 3636.
| ND Number | Version | Title | |
|---|---|---|---|
| ND1201 | Issue 1 | Completion of Calls to Busy Subscriber (CCBS) Supplementary Service | Download |
| ND1202 | Issue 1 | Calling Line Identification Presentation (CLIP) | Download |
| ND1203 | V1.2.1 | Geographic Number Portability | Download |
| ND1204 | Issue 1 | Call Forwarding on Subscriber Not Reachable Supplementary Service | Download |
| ND1206 | Issue 2 | High Level Service Description For Targeted Transit | Download |
| ND1207 | V1.2.1 | Non-Geographic Number Portability | Download |
| ND1208 | V2.1.1 | Mobile Number Portability | Download |
| ND1209 | Issue 1 | Operator Services | Download |
| ND1210 | Issue 1 | Public Network Features To Support A Messaging Service | Download |
| ND1212 | Issue 1 | Textphone Messaging Service Description | Download |
| ND1214 | V1.1.1 | ND1214 V1.1.1 UK Requirements for a Common Database | Download |