# Recommendation T.521 (11/1988): Communication application profile BT0 for document bulk transfer based on the session service (according to the rules defined in T.62 bis)

> superseded recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q26896426](https://www.wikidata.org/wiki/Q26896426)  
**Source**: https://4ort.xyz/entity/recommendation-t-521-11-1988-communication-application-profile-bt0-for-document-bulk-transfer-based-on-the-session-service-according-to-the-rules-defined-in-t-62-bis-