Source note · Passing call context with SIP UUI and custom headers
Amazon Chime SDK PSTN audio SIP headers can be at most 2048 characters long.
Checked 2026-10-02
The headers can be a maximum length of 2048 characters.
- 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'
Cite this note
APA
WarmTransfer. (2026, October 2). Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-chime-header-max-2048. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-chime-header-max-2048
BibTeX
@misc{warmtransfer-claim-sip-uui-context-passing-chime-header-max-2048,
title = {Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-chime-header-max-2048},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-chime-header-max-2048},
note = {Source note sip-uui-context-passing-chime-header-max-2048, checked 2026-10-02}
}