- Latest publications
- ND1001-1099: Public Network Signalling Specifications
- ND1101-1199: Information Notes
- ND1201-1299: Service Descriptions
- ND1301-1399: Private Network Signalling Specifications
- ND1401-1499: Guidelines
- ND1501-1599: Reports
- ND1601-1699: LLU and NGN Specifications
- ND1701-1799: Miscellaneous
- ND1801-1899: Code of Practice
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