# ISO/IEC 15050:1997 — Withdrawn and superseded ISO standards

For ISO/IEC 15050:1997, item title is Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Advice of charge supplementary services; status code is 9599; successor is ISO/IEC 15050:2003; withdrawn / published date is 1997-05-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 15050:1997 _(verified: appears in the quote below)_
- **Item title:** Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Advice of charge supplementary services _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 15050:2003
- **Withdrawn / published date:** 1997-05-15 _(verified: appears in the quote below)_

## What the source says

> 26330,IS,,ISO/IEC 15050:1997,Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Advice of charge supplementary services,Technologies de l'information — Télécommunications et échange d'information entre systèmes — Réseau privé à intégration de services — Protocole de signalisation d'interéchange — Orientation des services supplémentaires de charge,1997-05-15,1,['33.040.35'],ISO/IEC JTC 1/SC 6,9599,,[36849],['en'],50,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).