If you're looking for a replacement for dTelecom Cloud, Daily is another good option. It's an enterprise WebRTC platform that can handle large-scale, real-time voice and video features with high-quality audio and video. Daily comes with a global mesh network that can handle up to 100,000 participants with less than 13ms median first-hop latency, and it offers APIs and SDKs for a variety of platforms. Pricing is based on usage, with a free tier and enterprise support options.
Another good alternative is Tencent RTC. The platform lets developers add video call, voice call, chat and conference API/SDK to web and mobile apps. It's available on multiple platforms and includes features like live streaming and chat API. Tencent RTC is highly available and stable, with the ability to handle tens of millions of concurrent requests, and has a pay-as-you-go pricing model with discounts for startups.
You could also evaluate Agora, a real-time engagement platform that offers interactive voice and video abilities. It includes features like high-quality voice calling, real-time video chat, interactive live streaming and AI Noise Suppression. Agora offers fully customizable SDKs for a variety of platforms and is used in social, gaming, education and other industries.
Finally, ZEGOCLOUD offers APIs and SDKs for real-time voice, video and chat features in mobile and web apps. It's designed for high availability and scalability, with a range of features including video conferencing, live streaming and cloud recording. ZEGOCLOUD has a pay-as-you-go pricing model and offers a wealth of resources for developers to build interactive experiences.