According to recent reports, WeChat has forged partnerships with several leading mobile phone manufacturers, including Huawei, Honor, Xiaomi, and OPPO, to collectively introduce an innovative A2A (Agent-to-Agent) assistant capability. This new feature allows users to effortlessly initiate WeChat voice and video calls or send messages to contacts directly through their phone's built-in voice assistant. Tencent's customer service has verified this collaboration, noting that multiple manufacturers have already successfully integrated this functionality. Users can now accomplish these tasks with ease by simply engaging the AI assistant of their respective phone systems. This feature operates on an A2A collaboration framework and guarantees data security and privacy protection through a robust dual-authorization mechanism. The primary goal of this partnership is to seamlessly integrate WeChat's frequently used communication tools into mobile phone system assistants, ultimately offering users a more streamlined and convenient experience.