Source note · Zoom Phone routing and PSTN connectivity
Read together, Zoom's KB articles indicate Zoom does not originate REFER toward a BYOC-P SBC but can accept REFER from an SBC when the per-SBC REFER option is enabled, so transfers are not handed off to the carrier by Zoom-initiated REFER.
inferred · Checked 2026-09-24
- Vendor
- Zoom
- Product
- Zoom Phone
- Subsystem
- byoc-p-sip
- Deployment
- hybrid
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Status
- inferred
- Checked
- 2026-09-24
Sources
- BYOC-P or BYOP-P call processing — Zoom Communications · tier 2 current vendor documentation · Outbound calls from Zoom; read with KB0083637 Add a Session Border Controller (SBC)
Cite this note
APA
WarmTransfer. (2026, September 24). Zoom Phone routing and PSTN connectivity: source note zoom-phone-routing-refer-direction-inference. WarmTransfer. https://warmtransfer.net/knowledge/claims/zoom-phone-routing-refer-direction-inference
BibTeX
@misc{warmtransfer-claim-zoom-phone-routing-refer-direction-inference,
title = {Zoom Phone routing and PSTN connectivity: source note zoom-phone-routing-refer-direction-inference},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/zoom-phone-routing-refer-direction-inference},
note = {Source note zoom-phone-routing-refer-direction-inference, checked 2026-09-24}
}