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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 PDF (5408 k) Current
ND1302 Issue 4 Interworking Between DPNSS1 and Other Signalling Systems PDF (1053 k) Current
ND1303 Issue 2 Interworking Between DPNSS1 and ISDN Signalling Systems PDF (330 k) Current
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