Source note · ITU-T Q.850 call clearing cause values
Two bits of the cause element select the coding standard as ITU-T standardized, ISO/IEC, national, or specific to the identified location, and Q.850 states the other standards should be used only when the desired cause value cannot be represented with ITU-T coding.
Checked 2026-09-15
These other coding standards should be used only when the desired cause value cannot be represented with the ITU-T-standardized coding.
- 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 · clause 6.2.2 Coding standard
Cite this note
APA
WarmTransfer. (2026, September 15). ITU-T Q.850 call clearing cause values: source note q850-coding-standard-selects-the-cause-vocabulary. WarmTransfer. https://warmtransfer.net/knowledge/claims/q850-coding-standard-selects-the-cause-vocabulary
BibTeX
@misc{warmtransfer-claim-q850-coding-standard-selects-the-cause-vocabulary,
title = {ITU-T Q.850 call clearing cause values: source note q850-coding-standard-selects-the-cause-vocabulary},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/q850-coding-standard-selects-the-cause-vocabulary},
note = {Source note q850-coding-standard-selects-the-cause-vocabulary, checked 2026-09-15}
}