Dynamics 365 Contact Center- Use constrained grammars for speech recognition

Originally posted by Microsoft Aug 29, 2025 Uncategorized 0 Comments

We are announcing the ability to use constrained grammars for speech recognition in Dynamics 365 Contact Center. This feature will reach general availability on September 30, 2025.

How does this affect me?

This feature delivers better accuracy, performance, and cost than traditional semantic-based speech-to-text (STT) AI engines. The engine processes grammars that follow the Speech Recognition Grammar Specification (SRGS) standard, which are written in an XML-based format called GrXML. The engine converts spoken audio (utterances) into text that follows the grammar’s rules.

What action do I need to take?

This message is for awareness, and no action is required.

If you would like more information on this feature, please visit use constrained grammars for speech recognition.

Message ID: MC1143957

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Joao Ferreira

I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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