# Recommendation X.70 (11/1988): Terminal and transit control signalling system for start-stop services on international circuits between anisochronous data networks

> recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q27051527](https://www.wikidata.org/wiki/Q27051527)  
**Source**: https://4ort.xyz/entity/recommendation-x-70-11-1988-terminal-and-transit-control-signalling-system-for-start-stop-services-on-international-circuits-between-anisochronous-data-networks