# Recommendation X.214 (11/1988): Transport service definition for Open Systems Interconnection for CCITT applications

> superseded recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q26932296](https://www.wikidata.org/wiki/Q26932296)  
**Source**: https://4ort.xyz/entity/recommendation-x-214-11-1988-transport-service-definition-for-open-systems-interconnection-for-ccitt-applications