A successful Webex Calling MPP registration includes an initial REGISTER answered by 401 Unauthorized, followed by an authenticated REGISTER with digest credentials answered by 200 OK.

Checked 2026-09-25

Vendor
Cisco
Product
Webex Calling with MPP phones
Subsystem
SIP registration
Deployment
multi-tenant
Region
not restricted
Release range
as documented 2024-04-18
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Webex Calling device onboarding and activation codes: source note webex-calling-device-onboarding-reg-401-normal. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-device-onboarding-reg-401-normal

BibTeX

@misc{warmtransfer-claim-webex-calling-device-onboarding-reg-401-normal,
  title  = {Webex Calling device onboarding and activation codes: source note webex-calling-device-onboarding-reg-401-normal},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-device-onboarding-reg-401-normal},
  note   = {Source note webex-calling-device-onboarding-reg-401-normal, checked 2026-09-25}
}

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