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ITU-T I.221

Common Specific Characteristics of Services (Study Group XVIII) 8 pp

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Organization: ITU-T
Publication Date: 1 March 1993
Status: active
Page Count: 8

Document History

ITU-T I.221
March 1, 1993
Common Specific Characteristics of Services (Study Group XVIII) 8 pp
A description is not available for this item.
I.221
January 1, 1989
Common Specific Characteristics of Services - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 3 pp
A description is not available for this item.

References

This document is referenced by:
EN 300 392-12-23 - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 23: Call Completion on No Reply (CCNR)
Published by ETSI on April 1, 2012
The present document specifies the stage 3 description of the Supplementary Service CCNR Call Completion on No Reply for the Terrestrial Trunked Radio (TETRA). Call Completion on No Reply allows a...
This document is referenced by:
EN 300 392-12-13 - Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 13: Call Completion to Busy Subscriber (CCBS)
Published by ETSI on March 1, 2012
The present document specifies the stage 3 description of the Supplementary Service CCBS Call Completion on Busy Subscriber for the Terrestrial Trunked Radio (TETRA). Call Completion on Busy...
This document is referenced by:
TS 124 642 - Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Completion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification
Published by ETSI on April 1, 2022
The present document specifies the stage three Protocol Description of the Completion of Communications to Busy Subscriber (CCBS) service, the Completion of Communications on no Reply (CCNR) service,...
This document is referenced by:
TS 122 001 - Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Principles of circuit telecommunication services supported by a Public Land Mobile Network (PLMN)
Published by ETSI on April 1, 2022
The present document covers the definition of the circuit telecommunication services supported by a PLMN. The purpose of the present document is to provide a method for the characterization and the...
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