# ISO/IEC 18051:2005 — Withdrawn and superseded ISO standards

For ISO/IEC 18051:2005, item title is Information technology — Telecommunications and information exchange between systems — Services for Computer Supported Telecommunications Applications (CSTA) Phase III; status code is 9599; successor is ISO/IEC 18051:2007; withdrawn / published date is 2005-07-13, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 18051:2005 _(verified: appears in the quote below)_
- **Item title:** Information technology — Telecommunications and information exchange between systems — Services for Computer Supported Telecommunications Applications (CSTA) Phase III _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 18051:2007
- **Withdrawn / published date:** 2005-07-13 _(verified: appears in the quote below)_

## What the source says

> 41245,IS,,ISO/IEC 18051:2005,Information technology — Telecommunications and information exchange between systems — Services for Computer Supported Telecommunications Applications (CSTA) Phase III,Technologies de l'information — Télécommunications et échange d'information entre systèmes — Services pour applications en télécommunications supportées par ordinateur (CSTA) en phase III,2005-07-13,3,['35.100.30'],ISO/IEC JTC 1/SC 6,9599,[38389],[45587],['en'],729,"<p>ISO/IEC 18051:2005 specifies the Services and Event Reports for Computer-Supported Telecommunications Applications, Phase III (CSTA).</p><p>It focuses on providing application service interfaces to a Switching Function, Computing Fun

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).