Source note · Passing call context with SIP UUI and custom headers
For REFER-based transfers Genesys Cloud carries UUI as an escaped User-to-User header parameter inside the Refer-To URI.
Checked 2026-10-02
Refer-To: <sip:address@ip?User-to-User=XXhexdata%3Bencoding%3Dhex>
- Vendor
- Genesys
- Product
- Genesys Cloud
- Subsystem
- BYOC trunk UUI
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- UUI data formats — Genesys · tier 2 current vendor documentation · Section 'REFER format'
Cite this note
APA
WarmTransfer. (2026, October 2). Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-genesys-refer-to-embedding. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-genesys-refer-to-embedding
BibTeX
@misc{warmtransfer-claim-sip-uui-context-passing-genesys-refer-to-embedding,
title = {Passing call context with SIP UUI and custom headers: source note sip-uui-context-passing-genesys-refer-to-embedding},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-uui-context-passing-genesys-refer-to-embedding},
note = {Source note sip-uui-context-passing-genesys-refer-to-embedding, checked 2026-10-02}
}