VoiceTel

Documentation / Messaging

Everything you need to ship compliant A2P messaging.

Messaging covers wholesale SMS and MMS, the 10DLC Campaign Registry workflow, the CSP REST API, and the operational guidance that keeps A2P programs passing vetting and reaching the handset. This hub indexes the product overview, getting-started path, compliance material, and CSP API surface under one page.

Messaging product Get started

Product and pricing

  • Messaging product overview

    SMS and MMS at wholesale rates, inbound included, no per-message platform tax — plus how messaging composes with the rest of the VoiceTel stack.

  • Pricing and calculator

    Per-message outbound and inbound rates, carrier fees, MMS rates, and a calculator that applies volume-tier discounts to your workload.

Getting started

  • Get started with business messaging

    Practical step-by-step path: strategy, consent, platform selection, message flows, launch, and measurement — written for teams adding SMS to a business for the first time.

  • Strategy and consent

    The use-case decision and consent design that determines whether a program passes 10DLC vetting and stays compliant in production.

  • Platform and flows

    Choosing where messages are sent from and the templates, opt-in language, STOP/HELP, and reply flows the program needs.

  • Launch and grow

    What to test before flipping live traffic on, the early-volume guard rails, and the KPIs that catch deliverability and consent issues.

10DLC and compliance

  • 10DLC campaign registry vetting guide

    Pass A2P 10DLC vetting on the first try — standards from CTIA, GSMA, and The Campaign Registry; filing logic reviewers expect; common mistakes and how to avoid them.

  • Compliance and abuse prevention

    CTIA, carrier, and FCC standards every VoiceTel messaging customer must follow — A2P 10DLC requirements, opt-in, opt-out, prohibited content, carrier enforcement.

  • SMS operating rules

    Day-to-day operating rules for U.S. A2P programs — consent, copy, frequency, and support rules that keep traffic compliant after launch.

QA, themes, and templates

  • Program readiness checklist

    Pre-flight checklist: brand readiness, consent readiness, campaign-application readiness, and launch readiness — in one place.

  • Pre-vetting QA worksheet

    Worksheet for 10DLC campaign submissions plus suggested KPIs for monitoring SMS program health after launch.

  • Templates

    Copy-pasteable templates for 10DLC campaign descriptions, opt-in disclosures, STOP/HELP messages, sample messages, and privacy/terms language.

  • Passing themes

    Cross-provider themes from CTIA, GSMA, and Campaign Registry guidance — what every passable A2P SMS program has in common.

CSP REST API

  • CSP API playground

    Spec-driven, in-browser playground for the Campaign Service Provider proxy — brand and campaign registration against The Campaign Registry, end-to-end with your account credentials.

  • VoiceTel SDKs

    The same SDKs that target the VoiceTel REST API also reach the CSP endpoints — Python, TypeScript, Go, Java, and more.

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