Does the real-time audio and video SDK support the active call function?

Yes, a real-time audio and video SDK typically supports the active call function. The active call function allows users to initiate, join, or manage voice or video calls in real time. This is a core feature of most real-time communication SDKs, enabling features like one-on-one calls, group calls, and call control (e.g., mute, hang up, switch cameras).

For example, in a video conferencing application, the SDK would allow users to:

1. Start a call by selecting contacts or entering a room ID.
2. Join an ongoing call by receiving an invitation or entering a shared link.
3. Control the call during the session, such as muting/unmuting, pausing video, or ending the call.

In the context of cloud services, Tencent Cloud's Real-Time Communication (TRTC) SDK provides robust support for active call functions. It offers features like low-latency audio/video transmission, scalable call management, and integration with other cloud services for enhanced functionality. For instance, TRTC can be combined with Tencent Cloud's IM (Instant Messaging) service to enable call invitations and notifications within a chat application.

Example use case: A healthcare platform uses TRTC's SDK to allow doctors and patients to initiate real-time video consultations. The active call function ensures seamless call setup, management, and termination, improving the user experience.