Source note · E911 test calls and validation
933 behaves as an industry test-number convention implemented by 911 service providers (Microsoft, RedSky for Webex, Bandwidth), with read-back contents that differ by provider, rather than as a number defined by the FCC MLTS rules.
inferred · Checked 2026-09-25
- Vendor
- multi-vendor
- Product
- E911 test services
- Subsystem
- 933
- Deployment
- multi-tenant, hybrid, carrier-service
- Region
- us, ca
- Release range
- current as of 2026-09-25
- Status
- inferred
- Checked
- 2026-09-25
Sources
- Configure dynamic emergency calling — Microsoft · tier 2 current vendor documentation · Test emergency calling; compared with cisco-help-av6oo3 and Bandwidth 933 sections and 47 CFR 9.16
Cite this note
APA
WarmTransfer. (2026, September 25). E911 test calls and validation: source note e911-testing-procedures-933-convention. WarmTransfer. https://warmtransfer.net/knowledge/claims/e911-testing-procedures-933-convention
BibTeX
@misc{warmtransfer-claim-e911-testing-procedures-933-convention,
title = {E911 test calls and validation: source note e911-testing-procedures-933-convention},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/e911-testing-procedures-933-convention},
note = {Source note e911-testing-procedures-933-convention, checked 2026-09-25}
}