Source note · ITU-T Q.850 call clearing cause values
The in-force components of Q.850 are the edition of 10/2018 and Amendment 1 of 04/2019, and the 1993 and 1998 editions are listed as superseded.
Checked 2026-09-15
Q.850 (10/18)
- Vendor
- ITU-T
- Product
- ITU-T Recommendation Q.850
- Subsystem
- Cause and location
- Deployment
- not restricted
- Region
- not restricted
- Release range
- edition 10/2018
- Checked
- 2026-09-15
Sources
- ITU-T Recommendation Q.850 (10/2018), Usage of cause and location in the Digital Subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN user part — International Telecommunication Union (ITU-T) · tier 1 standards and regulators · ITU-T recommendation landing page, In force components table
Cite this note
APA
WarmTransfer. (2026, September 15). ITU-T Q.850 call clearing cause values: source note q850-in-force-edition-is-2018-plus-an-amendment. WarmTransfer. https://warmtransfer.net/knowledge/claims/q850-in-force-edition-is-2018-plus-an-amendment
BibTeX
@misc{warmtransfer-claim-q850-in-force-edition-is-2018-plus-an-amendment,
title = {ITU-T Q.850 call clearing cause values: source note q850-in-force-edition-is-2018-plus-an-amendment},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/q850-in-force-edition-is-2018-plus-an-amendment},
note = {Source note q850-in-force-edition-is-2018-plus-an-amendment, checked 2026-09-15}
}