Genesys recommends TCP rather than UDP when SIP headers carry large amounts of UUI or custom data, because UDP messages that exceed the MTU can cause call failures.

Checked 2026-09-24

Vendor
Genesys
Product
Genesys Cloud CX BYOC Cloud
Subsystem
SIP transport
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Genesys Cloud CX telephony and BYOC: source note genesys-cloud-telephony-transport-tcp-for-uui. WarmTransfer. https://warmtransfer.net/knowledge/claims/genesys-cloud-telephony-transport-tcp-for-uui

BibTeX

@misc{warmtransfer-claim-genesys-cloud-telephony-transport-tcp-for-uui,
  title  = {Genesys Cloud CX telephony and BYOC: source note genesys-cloud-telephony-transport-tcp-for-uui},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/genesys-cloud-telephony-transport-tcp-for-uui},
  note   = {Source note genesys-cloud-telephony-transport-tcp-for-uui, checked 2026-09-24}
}

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