| Заглавие на английском языке | Integrated Services Digital Network (ISDN) - Signalling System No. 7; ISDN User Part (ISUP) version 2 for the international interface - Part 10: Subaddressing (SUB) supplementary service (ITU-T Recommendation Q.731, section 8 (1992), modified); English version ETS 300356-10:1995 |