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Sinch AB (publ) has unveiled new innovations for its Enterprise Voice platform at Enterprise Connect, headlined by Voice Relay—an early access capability that lets developers connect text-based AI agents directly to live phone calls. The release also includes AI-ready voice infrastructure, strengthened branded calling protection, and expanded global network features. These advancements enable enterprises to deploy secure, scalable AI-powered voice conversations across the global telephone network while addressing key challenges in latency, telecom complexity, and fraud.
Quick Intel
Bridging AI and Real-Time Voice Communications
While conversational AI has progressed significantly, integrating it into live phone interactions has traditionally required managing complex audio streaming, speech-to-text, text-to-speech, and latency optimization. Voice Relay removes these barriers by providing a streamlined bridge between AI agents and the global telephone network. Sinch manages the real-time media loop—including speech recognition, voice synthesis, and interruption handling—allowing developers to focus on agent logic rather than infrastructure.
This capability enables enterprises to automate routine calls, deliver instant responses, and resolve issues faster, particularly in scenarios where voice remains the preferred or most effective channel for high-priority customer engagement.
"Voice remains one of the most powerful channels for customer engagement, and enterprises are increasingly looking to bring AI into those interactions," said Julia Fraser, EVP Americas at Sinch. "Voice Relay allows developers to connect AI agents to the global telephone network quickly and reliably, helping them automate routine calls, reduce wait times and resolve issues faster without having to build and manage complex voice infrastructure themselves."
Empowering Developer Choice and Enterprise Scale
Voice Relay supports integration with leading large language models while preserving enterprise flexibility in AI model selection. Sinch ensures production-grade reliability, low-latency performance, and robust fraud protection through its global voice infrastructure and enhanced branded calling features.
"Enterprises want the freedom to choose the AI models that power their agents," said Daniel Morris, Chief Product Officer at Sinch. "Voice Relay provides the infrastructure that connects those agents to the global voice network, delivering the real-time media, reliability and control required to run AI-powered voice interactions in production."
The innovations announced at Enterprise Connect position Sinch as a key enabler for organizations seeking to combine AI intelligence with the reach and immediacy of voice communications—helping deliver faster, more personalized, and secure customer experiences at scale.
About Sinch
Sinch brings businesses and people closer with tools to reach, engage, and convert their customers across messaging, email, voice, and video. More than 150,000 businesses, including many of the world’s largest companies and mobile operators, rely on Sinch’s leading cloud communications platform to build trusted, meaningful relationships with their customers. Sinch has been profitable and fast-growing since its foundation in 2008. It is headquartered in Stockholm, Sweden, and has local presence in more than 60 countries. Shares are traded at Nasdaq Stockholm: SINCH. Visit sinch.com.
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