Private Network Signalling Specifications (ND1301-1399)
All publications in this category
| ND Number | Version | Title | File (size) | Status | Comment |
| ND1301 | Issue 7 | Digital Private Signalling System No.1 | 
(3539 k) |
Current | |
| ND1302 | Issue 4 | Interworking Between DPNSS1 and Other Signalling Systems |
(1053 k) |
Current | |
| ND1303 | Issue 2 | Interworking Between DPNSS1 and ISDN Signalling Systems |
(330 k) |
Current |
