Zoom attributes calls that still route to the customer's old setup after a port to residual translations left in the losing carrier's network, and states that losing carriers have 24 hours to remove ported numbers.
Checked 2026-10-02
Losing carriers have 24 hours in which to remove your newly ported number/s from their network.
- Vendor
- Zoom
- Product
- Zoom Phone
- Subsystem
- old-provider-disconnect
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Best practices when porting numbers — Zoom · tier 2 current vendor documentation · FAQ: Why are my calls routing to my old setup after porting?
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting calls that fail to ported numbers after cutover: source note post-port-routing-troubleshooting-zoom-residual-translations. WarmTransfer. https://warmtransfer.net/knowledge/claims/post-port-routing-troubleshooting-zoom-residual-translations
BibTeX
@misc{warmtransfer-claim-post-port-routing-troubleshooting-zoom-residual-translations,
title = {Troubleshooting calls that fail to ported numbers after cutover: source note post-port-routing-troubleshooting-zoom-residual-translations},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/post-port-routing-troubleshooting-zoom-residual-translations},
note = {Source note post-port-routing-troubleshooting-zoom-residual-translations, checked 2026-10-02}
}