Learn
Carrier basics, explained by a carrier.
How call signing, carrier registries, billing increments and number reputation actually work — written so a business owner, an engineer and a vetting analyst all get the same straight answer.
Carrier registries & compliance
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What the FCC Robocall Mitigation Database is and how to look up a carrier
What the FCC Robocall Mitigation Database is, who must file, how to look up a provider by legal name, and how to read the entry before trusting a carrier.
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How to verify a VoIP carrier is licensed: the five-registry check
Five registry checks that tell a licensed VoIP carrier from a reseller: FRN, Form 499 Filer ID, OCN, Robocall Mitigation Database and the STI-PA list.
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What is an Operating Company Number (OCN)?
An Operating Company Number (OCN) is the code NECA assigns to a voice carrier. Who gets one, what IPES means, how to look one up, why it gates STIR/SHAKEN.
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STIR/SHAKEN & call signing
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STIR/SHAKEN attestation levels: A, B and C explained
What A, B and C attestation mean in STIR/SHAKEN, who assigns each level, why one customer gets different levels, and why signed calls still get flagged.
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Buying voice service
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VoIP billing increments explained: 6/6, 60/60, 30/6 and 1/1 with worked examples
What 6/6, 60/60, 30/6 and 1/1 billing increments mean, worked examples for 11-, 62- and 96-second calls, and the five questions to ask on any rate deck.
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What a voice carrier asks during KYC onboarding, and how to prepare
What a voice carrier asks new customers during KYC: identity, business records, number authority and traffic profile, and how to clear it in one round.
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Why business calls get labeled Spam Likely, and what actually helps
Who applies Spam Likely labels, what behavior triggers them, what STIR/SHAKEN attestation does and does not do, and the habits that keep a number trusted.
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Looking for Koda's own credentials rather than the background? They are all in the Trust Center, and the mechanics of how Koda signs calls are on the STIR/SHAKEN page. Service details start at voice termination.
Talk to Koda about your traffic.
Tell us what you send, where it goes and what platform it comes from. We'll come back with an interconnection plan and a rate deck for your profile.