# ISO/IEC 13869:1995 — Withdrawn and superseded ISO standards For ISO/IEC 13869:1995, item title is Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Call transfer supplementary service; status code is 9599; successor is ISO/IEC 13869:2003; withdrawn / published date is 1995-11-16, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 13869:1995 _(verified: appears in the quote below)_ - **Item title:** Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Call transfer supplementary service _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 13869:2003 - **Withdrawn / published date:** 1995-11-16 _(verified: appears in the quote below)_ ## What the source says > 23108,IS,,ISO/IEC 13869:1995,Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Call transfer supplementary service,Technologies de l'information — Télécommunications et échange d'information entre systèmes — Réseau privé à intégration de services — Protocole de signalisation d'interéchange — Service supplémentaire de transfert d'appel,1995-11-16,1,['33.040.35'],ISO/IEC JTC 1/SC 6,9599,,[36844],['en'],60,

Is one of a series of standards defining services and signalling protocols applicable to Private Services Networks (PISN). The Series uses ISDN concepts as developed by ITU-T a ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).