During November 2024, this developer upgraded the Call Center Sample in the Azure-Samples/cognitive-services-speech-sdk repository, focusing on both C# and Python implementations. They centralized and updated API versioning for speech transcription and language analysis services, ensuring the sample code remained compatible with the latest Azure Speech SDK releases. By aligning model and query versions across languages, they improved maintainability and reduced the risk of deprecated APIs. Their work emphasized API versioning and sample code maintenance, preparing the codebase for future enhancements and smoother customer migrations. The depth of the update addressed technical debt and supported ongoing reliability for end users.