To keep SHAKEN/STIR verification when forwarding an inbound call while presenting the original caller ID, Twilio requires passing the inbound webhook's CallToken value as the CallToken parameter when creating the new Call.
Checked 2026-10-02
- Vendor
- Twilio
- Product
- Twilio Programmable Voice
- Subsystem
- call forwarding
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Trusted Calling with SHAKEN/STIR — Twilio · tier 2 current vendor documentation · call forwarding / CallToken section
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting STIR/SHAKEN attestation levels on outbound calls: source note stir-shaken-attestation-troubleshooting-twilio-calltoken. WarmTransfer. https://warmtransfer.net/knowledge/claims/stir-shaken-attestation-troubleshooting-twilio-calltoken
BibTeX
@misc{warmtransfer-claim-stir-shaken-attestation-troubleshooting-twilio-calltoken,
title = {Troubleshooting STIR/SHAKEN attestation levels on outbound calls: source note stir-shaken-attestation-troubleshooting-twilio-calltoken},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/stir-shaken-attestation-troubleshooting-twilio-calltoken},
note = {Source note stir-shaken-attestation-troubleshooting-twilio-calltoken, checked 2026-10-02}
}