Source note · ITU-T Q.850 call clearing cause values
ITU-T Q.850 defines 70 cause values and every one of them is both a row of Table 1 and a numbered definition subclause under clause 6.2.7; the two lists are identical.
Checked 2026-09-15
The cause values are listed in Table 1.
- 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 · Table 1 Cause information element/parameter and clause 6.2.7 Cause definitions
Cite this note
APA
WarmTransfer. (2026, September 15). ITU-T Q.850 call clearing cause values: source note q850-seventy-cause-values. WarmTransfer. https://warmtransfer.net/knowledge/claims/q850-seventy-cause-values
BibTeX
@misc{warmtransfer-claim-q850-seventy-cause-values,
title = {ITU-T Q.850 call clearing cause values: source note q850-seventy-cause-values},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/q850-seventy-cause-values},
note = {Source note q850-seventy-cause-values, checked 2026-09-15}
}