Source note · STIR SHAKEN attestation framework
Where the PSTN provider does not send verstat information in an incoming call, Cisco instructs the administrator not to change the default of the setting presenting calls from unverified callers as normal, because disabling it would show the Possible Spam indication to users on every such call.
Checked 2026-09-16
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- STIR SHAKEN
- Deployment
- not restricted
- Region
- not restricted
- Release range
- not restricted
- Checked
- 2026-09-16
Sources
- Secure Calling and Spam mitigation — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · Configure CUBE for spam indication, For calls from PSTN where the service provider doesn't support STIR/SHAKEN
Cite this note
APA
WarmTransfer. (2026, September 16). STIR SHAKEN attestation framework: source note shaken-no-verstat-means-leave-the-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/shaken-no-verstat-means-leave-the-default
BibTeX
@misc{warmtransfer-claim-shaken-no-verstat-means-leave-the-default,
title = {STIR SHAKEN attestation framework: source note shaken-no-verstat-means-leave-the-default},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/shaken-no-verstat-means-leave-the-default},
note = {Source note shaken-no-verstat-means-leave-the-default, checked 2026-09-16}
}