47 CFR 9.16(b)(1) requires an MLTS to be configured so users can call 911 directly from any station with dialing facilities, without dialing any additional digit, code, prefix or post-fix.

Checked 2026-09-25

without dialing any additional digit, code, prefix, or post-fix
Vendor
FCC
Product
Multi-line telephone systems
Subsystem
emergency
Deployment
any
Region
us
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-cfr-9-16-direct-dial. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-cfr-9-16-direct-dial

BibTeX

@misc{warmtransfer-claim-sip-trunk-carrier-turn-up-cfr-9-16-direct-dial,
  title  = {SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-cfr-9-16-direct-dial},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-cfr-9-16-direct-dial},
  note   = {Source note sip-trunk-carrier-turn-up-cfr-9-16-direct-dial, checked 2026-09-25}
}

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