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© Telnyx LLC 2026
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Voice AI built for UK and EU

Build Voice AI with ultra-low latency, full GDPR compliance, and EU data residency. The only full-stack platform with European GPUs, co-located telephony, and carrier licensing.

Talk to our teamStart building
Voice AI UK Hero

True data sovereignty for European businesses

Most vendors guarantee where your stored data lives. Few control where data travels during calls. Almost none control where real-time compute happens. With Telnyx, everything stays in Europe.

AU Data Sovereignty - Data at Rest Icon

Your stored data stays in the EU. Call recordings, transcripts, and logs are encrypted in European data centers. Full control over retention and deletion to meet GDPR requirements.

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Voice traffic stays in Europe, both in transit and at rest. Our private network routes calls through EU infrastructure with no offshore hops, keeping your data where it belongs.

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Real-time AI runs on Paris GPUs. STT, TTS, and LLM inference happen entirely in Europe. Your audio never leaves the region for processing.

Multi-vendor Voice AI Call Route Diagram
THE HIDDEN COSTS

The hidden cost of multi-vendor Voice AI

Most voice AI runs on US-hosted compute with separate vendors for telephony, STT, TTS, and orchestration. Even when your customer is in Europe, their data travels across the Atlantic.

The hidden costs:
• Each vendor adds 300-500ms latency
• Each hop adds failure points and GDPR compliance risk
• No single point of accountability

Building yourself is not the answer either. Hardware fails, routing tools break, bare-metal expertise is required. Most teams hit the wall at production scale.

Colocation UK
THE TELNYX DIFFERENCE

A full-stack voice AI platform

Telnyx owns the entire stack, from telephony to AI, with EU GPUs co-located to EU telephony. That means no Atlantic crossings. Sub-500ms latency for clearer, more natural AI conversations.

• One API to build, one bill to pay, one vendor to call
• Licensed carrier in 30+ countries
• EU-resident Voice AI processing
• Local AI Inference: STT, TTS, LLMs on European GPUs

WHY TELNYX FOR UK AND EUROPE

Production-ready Voice AI

Local infrastructure for speed, HD audio for clarity, and dedicated support for scale. Everything European enterprises need to deploy Voice AI with confidence.

  • PoPs + GPU

    European infrastructure

    EU GPUs co-located with telephony PoPs in Frankfurt, Amsterdam, and London. <500ms round-trip latency. No data leaves the region

  • Crystal-clear audio

    HD Voice with G.722 wideband audio (16 kHz) and AI-powered noise suppression for natural conversations.

  • 24/7 dedicated support

    24/7 support

    Award-winning support to help you build and scale. Free for all customers.

WHAT'S UNDER THE HOOD?

Your Voice AI toolkit

Access AI, STT, TTS, call control, and PSTN in one platform. All hosted on local infrastructure with flexibility to use multiple models. The most flexible and reliable set up to build, test, and ship Voice AI in the UK.

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    Speech-to-text

    Multiple STT engines on local infrastructure. Choose the best for your use case, all co-located for lowest latency.

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    Text-to-speech

    Access Minimax, Resemble AI, Amazon Polly, and more through one API. Same infrastructure, no extra hops.

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    Noise suppression

    AI-powered background noise removal for crystal-clear calls.

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    Local numbers

    UK DIDs with global reach. Maintain local presence anywhere.

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    Flexible deployment

    Pick from Telnyx's open source LLM library or bring your own API keys. Build with APIs or no-code AI Assistant Builder.

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    Industry integrations

    Sabre, ServiceNow, Salesforce, and more. Trigger workflows in real time.

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    Multi-agent handoffs

    Orchestrate complex tasks across multiple AI agents in a single interaction.

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    Agent Skills

    175+ pre-built skills for coding agents like Cursor, Claude Code, and Windsurf. Ship integrations in minutes.

RESOURCES
  • Icon Resources Article

    Global coverage

    Scale voice and messaging worldwide with local numbers in 140+ countries, all from one provider.

    Learn more
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    Why EU Voice AI needs local infrastructure

    Learn why in-region AI infrastructure is essential for low-latency, GDPR-compliant voice experiences.

    Learn more
  • Icon Resources Article

    GDPR compliance for Voice AI

    Understand why Voice AI compliance depends on infrastructure, not just contracts.

    Learn more
PRODUCTS

Explore the Telnyx suite

Use Case Thumbnail B2C SMS

MENSAGERIA

Complemente seu agente de voz com SMS para autenticação em tempo real, confirmações e follow-ups.

LEARN MORE
Voice API Hero

VOICE API

Connect your Voice AI Agent to Telnyx Voice API to manage calls, recordings, and routing with enterprise-ready reliability.

LEARN MORE
Text-to-Speech voice selection interface

TEXT-TO-SPEECH

Acesse os melhores modelos de TTS na rede privada global da Telnyx. Troque de modelo conforme surgem opções melhores, com suporte a mais de 90 idiomas e variantes.

LEARN MORE

Ask AI

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  • Perplexity
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Try European voices

Experience natural AI voices across European languages. From British English to German, Spanish, French, and Italian — all optimized for low-latency conversations.

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