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ITU-T E.157

International calling party number delivery

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Organization: ITU-T
Publication Date: 1 November 2009
Status: active
Page Count: 14
scope:

This Recommendation provides guidance for international calling party number delivery, which is technology neutral. The mechanism to assess the veracity of a particular calling party number (i.e., the international E.164 number) is out of the scope of this Recommendation. Any agreement in countries is a national matter and is not considered in this Recommendation.

Document History

E.157
June 1, 2021
International calling party number delivery
This Recommendation provides guidance for international calling party number delivery, which is technology neutral. In this sense, this Recommendation is about the delivery of information from the...
ITU-T E.157
November 1, 2009
International calling party number delivery
This Recommendation provides guidance for international calling party number delivery, which is technology neutral. The mechanism to assess the veracity of a particular calling party number (i.e.,...

References

This document references:
ITU-T Q.1912.5 - Interworking between session initiation protocol (SIP) and bearer independent call control protocol or ISDN user part Corrigendum 1
Published by ITU-T on July 1, 2018
A description is not available for this item.
This document references:
ETS 300 649 - Public Switched Telephone Network (PSTN); Calling Line Identification Restriction (CLIR) Supplementary Service; Service Description
Published by ETSI on March 1, 1997
A description is not available for this item.
This document references:
ITU-T E.101 - Definitions of terms used for identifiers (names, numbers, addresses and other identifiers) for public telecommunication services and networks in the E-series Recommendations Amendment 1: New Appendix I – Alphabetical list of items
Published by ITU-T on June 1, 2011
Scope/Introduction This Recommendation provides terms and definitions for use in the field of identifiers (e.g. names, numbers, addresses and other identifiers (IDs)) for public telecommunication...
This document references:
ITU-T I.251.4 - Calling Line Identification Restriction (Study Group I) 8 pp
Published by ITU-T on January 1, 1992
A description is not available for this item.
This document is referenced by:
ITU-T E.156 - Guidelines for ITU-T action on reported misuse of ITU-T E.164 number resources
Published by ITU-T on June 1, 2020
This Recommendation provides guidelines for actions by administrations, ITU members and associates and by the Director of the Telecommunication Standardization Bureau (TSB) upon receipt of reports of...
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