# Recommendation I.256.2c (03/1993): Charging supplementary services: Advice of charge: charging information at the end of the call (AOC-E)

> recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q26985435](https://www.wikidata.org/wiki/Q26985435)  
**Source**: https://4ort.xyz/entity/recommendation-i-256-2c-03-1993-charging-supplementary-services-advice-of-charge-charging-information-at-the-end-of-the-call-aoc-e-