Cloud communications platform for voice, video and messaging
Vonage provides Voice API and AI Studio for conversational agents with solid STT/TTS options. It competes with Plivo on compliance and global coverage but lacks Plivo's emphasis on sub-300 ms bidirectional audio streaming. Developers appreciate Vonage's quick SDKs yet may find conversation quality and barge-in handling less refined for high-volume real-time use cases.
Free