Microsoft RTC Client API 1.3

Microsoft RTC Client API by Paul Shmakov is a developer-focused toolkit for adding real-time communications to Windows applications. Built around Microsoft’s COM-based Real-Time Communications technology, it enables SIP-based audio and video calling, instant messaging, and presence. The API exposes event-driven session control and media management, making it straightforward to implement softphone functionality, click-to-call features, and presence-aware collaboration tools.

Key capabilities:

• SIP-based voice and video calling
• Instant messaging and presence (online/offline/availability)
• Event-driven session control (call setup, hold/resume, and termination)
• Contact and roster management
• Media and device management for microphones, speakers, and cameras
• Integration with native Windows applications via COM interfaces

Requirements:

• Windows desktop operating system
• Microsoft RTC runtime components installed

This package is designed to help developers move quickly from prototype to production with clear abstractions and practical usage patterns.

Microsoft RTC Client API is developed by Paul Shmakov and is used by 1 user of Software Informer. The most popular version of this product among our users is 1.3.

You can check Microsoft Speech SDK, Microsoft Visual C++ 2008 Express Edition, Microsoft SQL Server2014 Transact-SQL ScriptDom and other related programs like DataFlex Windows Client at the "download" section.