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Glossary

The 10DLC words on your registration form

Plain-English definitions of the terms that show up in A2P 10DLC registration, brand vetting and carrier rejection notices.

10DLC

10Dlc

Read it → A2P

A2P

Read it → Brand vetting

Brand Vetting

Read it → Campaign use case

Campaign Use Case

Read it → CSP

Csp

Read it → EIN

Ein

Read it → Opt-in

Opt In

Read it → Short code

Short Code

Read it → Sole proprietor brand

Sole Proprietor Brand

Read it → STOP and HELP keywords

Stop Help Keywords

Read it → TCR

Tcr

Read it → Toll-free verification

Toll Free Verification

Read it →

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