ITU-T Q.81.8 SPANISH-1992 PDF

Scope: This Recommendation defines the stage 2 of the Multiple Subscriber Number (MSN) supplementary service for the integrated services digital network (ISDN) as provided by telecommunications operators.Stage 2 identifies the functional capabilities and the information flows needed to support the stage 1 service description.The stage 2 description also identifies user operations not directly associated with a call (see Recommendation I.130 [1]).

ITU-T Q.81.8 SPANISH-1992 Referenced Document

ITU-T E.164 The international public telecommunication numbering plan (Study Group 2)*， 2024-04-19 Update
ITU-T I.112 Vocabulary of Terms for ISDNs (Study Group XVIII) 19 pp*， 1993-03-01 Update
ITU-T I.130 Method for the Characterization of Telecommunication Services Supported by an ISDN and Network Capabilities of an ISDN - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 5 pp
ITU-T I.210 Principles of Telecommunication Services Supported by an ISDN and the Means to Describe Them (Study Group XVIII) 31 pp*， 1993-03-01 Update
ITU-T I.251.8 Number identification supplementary services : Sub-addressing supplementary service*， 1992-08-01 Update
ITU-T Q.65 Unified Functional Methodology for the Characterization of Services and Network Capabilities Including Alternative Object-Oriented Techniques Series Q: Switching and Signalling Functions and Information Flows for Services in the ISDN - Methodology Study G*， 2000-06-01 Update
ITU-T Q.71 ISDN Circuit Mode Switched Bearer Services (Study Group XI)*， 1993-03-01 Update
ITU-T Z.100 Specification and Description Language - Overview of SDL-2010*， 2021-05-31 Update

1992 ITU-T Q.81.8 SPANISH-1992 STAGE 2 DESCRIPTION FOR NUMBER IDENTIFICATION SUPPLEMENTARY SERVICES SECTION 8 – SUB-ADDRESSING (SUB)