Voximplant Enables Cartesia Line Voice Agents for Real-Time Phone Calls

Voximplant, a leading cloud communications platform, has announced native integration with Cartesia Line, a powerful code-first ecosystem designed to build AI voice agents. Through this integration, developers can now connect Cartesia Line agents directly to real phone calls, SIP trunks, WebRTC environments, and WhatsApp Business Calling. As a result, companies can deploy intelligent voice agents faster without creating or managing complex infrastructure from scratch.

Traditionally, building voice AI systems required extensive telephony setup, infrastructure management, and technical customization. However, Voximplant removes these barriers by handling the entire telephony layer. Specifically, the platform manages media conversion, real-time audio streaming, SIP routing, phone number provisioning, call transfers, and compliance requirements. Consequently, development teams can shift their focus entirely toward designing smarter conversations and improving AI agent logic instead of worrying about backend infrastructure.

At the same time, Cartesia Line simplifies the process of building and deploying voice agents. Developers can easily convert existing text-based chatbots into fully functional voice agents. In addition, they can integrate advanced reasoning systems or create new agents using simple prompts. Cartesia’s platform also manages speech processing and audio delivery automatically. Furthermore, it offers high-quality text-to-speech features, access to an extensive voice library, and custom voice cloning capabilities. This ensures that organizations can deliver more natural, personalized, and engaging voice experiences for customers.

This integration significantly accelerates the transition from experimental AI to production-ready voice solutions. Alexey Aylarov, Co-founder and CEO of Voximplant, highlighted the importance of removing technical barriers, stating:

"Developers shouldn't have to choose between powerful AI and reliable telephony. Our goal is to remove the operational complexity that slows teams down. Extending Cartesia Line Agents to global telephony allows companies to move from prototype to production voice AI in record time," said Alexey Aylarov, Co-founder and CEO of Voximplant.

Moreover, Voximplant provides flexibility by allowing developers to combine different AI models, speech technologies, and infrastructure tools. Unlike traditional systems that limit vendor options, Voximplant enables organizations to select the best solutions without vendor lock-in. Its orchestration layer connects AI frameworks, speech engines, and telephony systems into a unified, production-ready voice ecosystem.

As businesses increasingly adopt voice AI to enhance customer service, automate workflows, and improve communication efficiency, this integration delivers a major advantage. Companies can now deploy intelligent voice agents directly into real communication channels, including phone networks and messaging platforms. Ultimately, Voximplant and Cartesia Line are helping organizations accelerate innovation, reduce operational complexity, and scale voice AI solutions more efficiently.

This development marks an important step toward making enterprise voice AI more accessible, scalable, and production-ready for modern businesses worldwide.

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