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| ND Number | Version | Title | |
|---|---|---|---|
| ND1701 | V1.5.2 | Recommended Standard for the UK National Transmission Plan for Public Networks | Download |
| ND1702 | Issue 2 | V5 - UK PSTN MAPPING REQUIREMENTS | Download |
| ND1703 | Issue 2 | Protocol Implementation Conformance Statement (PICS) proforma | Download |
| ND1703 | Issue 2 | V5 - UK PSTN Mapping Requirements: PICS (Protocol Implementation Conformance Statement) Proforma | Download |
| ND1704 | V4.2.1 | End-to-End Network Performance Rules & Objectives for the Interconnection of NGNs | Download |
| ND1704 Annex IV | V2.1.1 | ND1704V2.1.1 Annex IV Performance Calculator | Download |