Source record · tier 1 standards and regulators
E.721: Network grade of service parameters and target values for circuit-switched services in the evolving ISDN
- Publisher
- ITU-T
- URL
- https://www.itu.int/rec/T-REC-E.721/en
- Published
- 1999-05-01
- Updated
- unknown
- Accessed
- 2026-10-14
- HTTP status
- 200
- License
- ITU copyright; no-redistribution; short excerpts and locators only
Source notes citing this source
Cite this source record
APA
WarmTransfer. (1999, May 1). E.721: Network grade of service parameters and target values for circuit-switched services in the evolving ISDN. WarmTransfer. https://warmtransfer.net/knowledge/sources/itu-t-rec-e721-landing
BibTeX
@misc{warmtransfer-itu-t-rec-e721-landing,
title = {E.721: Network grade of service parameters and target values for circuit-switched services in the evolving ISDN},
author = {{WarmTransfer}},
year = {1999},
url = {https://warmtransfer.net/knowledge/sources/itu-t-rec-e721-landing},
note = {ITU-T, accessed 2026-10-14}
}