# ISO/IEC 18056:2007 — Withdrawn and superseded ISO standards For ISO/IEC 18056:2007, item title is Information technology — Telecommunications and information exchange between systems — XML Protocol for Computer Supported Telecommunications Applications (CSTA) Phase III; status code is 9599; successor is ISO/IEC 18056:2010; withdrawn / published date is 2007-12-10, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 18056:2007 _(verified: appears in the quote below)_ - **Item title:** Information technology — Telecommunications and information exchange between systems — XML Protocol 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quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 18056:2010 - **Withdrawn / published date:** 2007-12-10 _(verified: appears in the quote below)_ ## What the source says > 45588,IS,,ISO/IEC 18056:2007,Information technology — Telecommunications and information exchange between systems — XML Protocol for Computer Supported Telecommunications Applications (CSTA) Phase III,Technologies de l'information — Télécommunications et échange d'information entre systèmes — Protocole XML pour applications en télécommunications supportées par ordinateur (CSTA) en phase III,2007-12-10,3,['35.100.30'],ISO/IEC JTC 1/SC 6,9599,[41246],[54757],['en'],483,"

ISO/IEC 18056:2007 specifies an XML protocol for the services described in ISO/IEC 18051. It provides an alternative protocol to the ASN.1 based protocol specified in ISO/IEC 18052.

ISO/IEC 18056:2007 describes the con ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).