Studio has regions · Worked example

Pick a host

For a Canadian domain, name the portal host from the PDF.

five9.ca.studioportal.io

Not the US host

SRV instead of a pinned IP

The host matches Canada.

Region matters? Yes. Use the matching portal.

Legacy hosts listed? Yes.

How to find SIP? DNS SRV.

Paste Studio ports onto every trunk? No. Confirm the family.

Sources and go deeper

Technical requirements PDF. vendor. last checked 2026-10. Fetched for this lab in October 2026. Re-read before you buy hardware or open a firewall.
IANA service names and port numbers. ports. last checked 2026-10.
RFC 3261, SIP: Session Initiation Protocol. rfc. last checked 2026-10.
RFC 1035, domain names. rfc. last checked 2026-10.
RFC 2782, DNS SRV. rfc. last checked 2026-10.
RFC 9293, Transmission Control Protocol. rfc. last checked 2026-10.
RFC 768, User Datagram Protocol. rfc. last checked 2026-10.
confirm. Studio signaling ports in the PDF are easy to misread as universal VCC trunk ports. Confirm which SBC your domain uses. last checked 2026-10.