VoiceTel

Documentation

Reference material for teams that build and operate communications systems.

The docs landing page helps developers find product hubs, API references, migration paths, compatibility notes, SIP guides, and operational runbooks without reading marketing copy first.

VoiceML docs API reference

Map of the VoiceTel documentation. Product hubs: VoiceML, Voice, Messaging. API references: VoiceML API v0.9.1, VoiceTel API v2.2.10, 10DLC CSP API v7.8.0. SDKs: VoiceTel SDKs, VoiceML SDKs. Operations: Numbers, E911, SIP trunking.

Product hubs

  • VoiceML

    Programmable voice runtime with Twilio-compatible verbs. Recording, speech, TTS, compatibility matrix, REST API, SDKs, calculator, validator, and migration.

  • Voice

    Wholesale origination + termination, v2.2 REST API, E911, numbers, SIP trunking, and configuration guides for PBX, SBC, firewall, softphone, and porting workflows.

  • Messaging

    SMS and MMS with the CSP / 10DLC Campaign Registry workflow, compliance and operating rules, getting-started path, QA templates, and CSP REST API playground.

Cross-product reference

  • REST API reference

    OpenAPI references and credentials pages for the v2.2 REST API, the v7.8 CSP proxy, and the VoiceML compatibility surface.

  • VoiceTel SDKs

    Official client libraries for the VoiceTel REST API in Python, TypeScript, Go, Java, Kotlin, Scala, PHP, Ruby, C#, Rust, Swift, and Lua. Plus CLI and Postman/Bruno collections.

  • VoiceML SDKs

    Official client libraries for the VoiceML voice + AMD API in Python, TypeScript, Go, Java, C#, PHP, Ruby, and Swift.

  • VoiceML reference

    voiceml.com: every VoiceML verb, noun, and attribute with defaults, callbacks, and examples, plus voiceml-spec.json and llms.txt for tooling.

  • VoiceML publisher

    voiceml.org: check markup against the VoiceML schema and publish it to a permanent webhook URL, free and without an account, from the page or POST /api/publish.

  • Numbers

    Provisioning, porting, emergency service, CNAM, caller ID, and number-routing workflows.

  • E911

    Validate addresses, provision E911 records, and manage emergency service for your numbers via the v2.2 REST API.

  • SIP Trunking

    Carrier-grade SIP trunks with Anycast/Geocast access, Digest + IP auth, and PBX/SBC/firewall guides.

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