| ND1301 |
Issue 7 |
Digital Private Signalling System No 1 (DPNSS 1) |
Download |
| ND1702 |
Issue 2 |
V5 - UK PSTN MAPPING REQUIREMENTS |
Download |
| ND1627 |
V1.1.1 |
B2B Lead-to-Cash (L2C) Interface Standard |
Download |
| ND1006 |
Issue 4.2 |
Interconnect User Part (IUP) |
Download |
| ND1007 |
Issue 3.3 |
ISDN User Part (ISUP) |
Download |
| ND1703 |
Issue 2 |
Protocol Implementation Conformance Statement (PICS) proforma |
Download |
| ND1604 |
V3.1.1 |
Specification of the Access Network Frequency Plan (ANFP) applicable to transmission systems used on the KCH Access Network |
Download |
| ND1303 |
Issue 2 |
Interworking Between DPNSS 1 and ISDN Signalling Systems |
Download |
| ND1622 |
V2.0.0 |
NICC B2B INTERFACE REQUIREMENTS DOCUMENT |
Download |
| ND1446 |
1.1.1 |
ND1446 General Security for Public Electronic Communication Network Service Providers |
Download |
| ND1302 |
Issue 4 |
Interworking Between DPNSS 1 and Other Signalling Systems |
Download |
| ND1414 |
v1.2.1 |
NGN Interconnect:PSTN Integration Testing Manual |
Download |
| ND1437 |
2.1.1 |
Guidelines for the Tracing of Calls Across and Between Networks |
Download |
| ND1126 |
Issue 8 |
SDH Interconnect between UK Licenced Operators - Interoperability & Commissioning Recommendation |
Download |
