Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) version 3 for the international interface - Part 31: Protocol Implementation Conformance Statement (PICS) proforma specification for basic services
Publication date
2000-11-01
Original language
English
Pages
20
Publication date
2000-11-01
Original language
English
Pages
20
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