The Amazon Chime SDK PSTN audio SipHeaders field accepts only keys with the x- prefix, the User-to-User header or the Diversion header.

Checked 2026-10-02

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

Cite this note

APA

WarmTransfer. (2026, October 2). Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-chime-valid-header-keys. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-chime-valid-header-keys

BibTeX

@misc{warmtransfer-claim-sip-uui-context-passing-chime-valid-header-keys,
  title  = {Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-chime-valid-header-keys},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-chime-valid-header-keys},
  note   = {Source note sip-uui-context-passing-chime-valid-header-keys, checked 2026-10-02}
}

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