Source note · Passing call context with SIP UUI and custom headers
In the Amazon Chime SDK PSTN audio service X-AMZN is a reserved header, and supplying it fails the action with an InvalidActionParameter error.
Checked 2026-10-02
X-AMZN is a reserved header.
- Vendor
- Amazon
- Product
- Amazon Chime SDK
- Subsystem
- PSTN audio SIP media application
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Using SIP headers in the Amazon Chime SDK PSTN audio service — Amazon Web Services · tier 2 current vendor documentation · Section 'Using the SipHeaders field' and failed CallAndBridge example
Cite this note
APA
WarmTransfer. (2026, October 2). Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-chime-x-amzn-reserved. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-chime-x-amzn-reserved
BibTeX
@misc{warmtransfer-claim-sip-uui-context-passing-chime-x-amzn-reserved,
title = {Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-chime-x-amzn-reserved},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-chime-x-amzn-reserved},
note = {Source note sip-uui-context-passing-chime-x-amzn-reserved, checked 2026-10-02}
}