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This Recommendation defines the essential functions, procedures and messages required for the transportation of information relating to the three-party supplementary service. This Recommendation has been updated due to a need for alignment with the revised specification of this supplementary service within DSS 1.
Author | ITU |
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Editor | ITU |
Document type | Standard |
Format | File |
ICS | 33.080 : Integrated Services Digital Network (ISDN)
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Number of pages | 20 |
Cross references | DIN EN 300356-19 (2000-09), MOD |
Year | 1990 |
Document history | |
Country | International |
Keyword | CCITT Q.734;CCITT Q.734.2;ITU-T Q.734;ITU-T 734;734;ITU-T Q.734.2 |