Cisco states that a Webex Calling dial plan accepts the From and To headers in E.164 form or in extension form and that the pair cannot be a combination of the two.

Checked 2026-09-15

The dial plan in Webex Calling accepts the from and to headers in E.164 or extensions and can’t be a combination.
Vendor
Cisco
Product
Webex Calling
Subsystem
Dial plans
Deployment
not restricted
Region
not restricted
Release range
not restricted
Checked
2026-09-15

Sources

Cite this note

APA

WarmTransfer. (2026, September 15). Trunks route groups and dial plans in Control Hub: source note wxtrk-dial-plan-headers-cannot-mix-forms. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxtrk-dial-plan-headers-cannot-mix-forms

BibTeX

@misc{warmtransfer-claim-wxtrk-dial-plan-headers-cannot-mix-forms,
  title  = {Trunks route groups and dial plans in Control Hub: source note wxtrk-dial-plan-headers-cannot-mix-forms},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxtrk-dial-plan-headers-cannot-mix-forms},
  note   = {Source note wxtrk-dial-plan-headers-cannot-mix-forms, checked 2026-09-15}
}

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