Choose a trunk transport protocol

Publisher

Genesys

URL

https://help.genesys.cloud/articles/choose-a-trunk-transport-protocol/

Published

unknown

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

Genesys proprietary documentation; no-redistribution; short excerpts and locators only

Source notes citing this source

• Both ends of a Genesys Cloud trunk must use the same transport protocol, or the trunk may not function. in context
• A Genesys Cloud trunk can use UDP, TCP or TLS as its transport protocol for sending calls. TLS uses port 5061; UDP and TCP use port 5060. in context
• The trunk Protocol setting controls only the protocol Genesys Cloud uses to send calls. It is not enforced on calls the trunk receives. in context
• Genesys recommends TCP over UDP when headers carry large amounts of UUI or custom data, so that messages do not fail by exceeding the maximum transmission unit. in context
• Both ends of a BYOC Cloud trunk must be configured with the same transport protocol, or the trunk may not work. in context
• BYOC Cloud trunks support three transport protocols: UDP, TCP and TLS over TCP. in context
• BYOC Cloud SIP uses port 5060 for UDP and TCP and port 5061 for TLS. in context
• The trunk transport protocol setting only controls how Genesys Cloud sends calls on the trunk; it is not enforced on calls received on the trunk. in context
• 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. in context

Cite this source record

APA

WarmTransfer. (2026, September 24). Choose a trunk transport protocol. WarmTransfer. https://warmtransfer.net/knowledge/sources/genesys-help-trunk-transport-protocol

BibTeX

@misc{warmtransfer-genesys-help-trunk-transport-protocol,
  title  = {Choose a trunk transport protocol},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/genesys-help-trunk-transport-protocol},
  note   = {Genesys, accessed 2026-09-24}
}