# Recommendation U.11 (11/1988): Telex and gentex signalling on intercontinental circuits used for intercontinental automatic transit traffic (type C signalling)

> superseded recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q27051467](https://www.wikidata.org/wiki/Q27051467)  
**Source**: https://4ort.xyz/entity/recommendation-u-11-11-1988-telex-and-gentex-signalling-on-intercontinental-circuits-used-for-intercontinental-automatic-transit-traffic-type-c-signalling-