RFC 6881 defines automated emergency test calls as SIP INVITEs to a service URN beginning with test., such as urn:service:test.sos.fire, answered 200 if recognized, 404 if not or if the PSAP does not support testing, and 486 if the test service is busy.

Checked 2026-09-25

Vendor
IETF
Product
SIP emergency calling
Subsystem
test calls
Deployment
standard
Region
not restricted
Release range
RFC 6881 (March 2013)
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). E911 test calls and validation: source note e911-testing-procedures-rfc6881-test-urn. WarmTransfer. https://warmtransfer.net/knowledge/claims/e911-testing-procedures-rfc6881-test-urn

BibTeX

@misc{warmtransfer-claim-e911-testing-procedures-rfc6881-test-urn,
  title  = {E911 test calls and validation: source note e911-testing-procedures-rfc6881-test-urn},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/e911-testing-procedures-rfc6881-test-urn},
  note   = {Source note e911-testing-procedures-rfc6881-test-urn, checked 2026-09-25}
}

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