Source note · Moving from Unified CM to Zoom Phone
Zoom requires a BYOC-P/BYOP-P SBC to support SIP per RFC 3261, DTMF per RFC 2833, topology hiding per RFC 5853, and early offer on INVITEs sent to Zoom.
Checked 2026-09-25
- Vendor
- Zoom
- Product
- Zoom Phone
- Subsystem
- SBC requirements
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- BYOC-P or BYOP-P infrastructure requirements — Zoom Communications · tier 2 current vendor documentation · SBC requirements list
Cite this note
APA
WarmTransfer. (2026, September 25). Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-sbc-sip-baseline. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-sbc-sip-baseline
BibTeX
@misc{warmtransfer-claim-cucm-to-zoom-phone-sbc-sip-baseline,
title = {Moving from Unified CM to Zoom Phone: source note cucm-to-zoom-phone-sbc-sip-baseline},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-to-zoom-phone-sbc-sip-baseline},
note = {Source note cucm-to-zoom-phone-sbc-sip-baseline, checked 2026-09-25}
}