US rules require interconnected VoIP providers to take all steps necessary to allow port-ins and port-outs, directly or through their telecommunications carriers, without unreasonable delay, and forbid agreements that would stop an end user from porting between interconnected VoIP providers.

Checked 2026-09-25

Vendor
n
Product
US local number portability
Subsystem
Interconnected VoIP LNP obligations
Deployment
regulatory
Region
us
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Porting numbers to Webex Calling: source note webex-calling-number-porting-us-voip-must-port. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-number-porting-us-voip-must-port

BibTeX

@misc{warmtransfer-claim-webex-calling-number-porting-us-voip-must-port,
  title  = {Porting numbers to Webex Calling: source note webex-calling-number-porting-us-voip-must-port},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-number-porting-us-voip-must-port},
  note   = {Source note webex-calling-number-porting-us-voip-must-port, checked 2026-09-25}
}

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