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How to Build an AI Telephony Agent for Inbound and Outbound Calls
Developer Blog

How to Build an AI Telephony Agent for Inbound and Outbound Calls

Build an AI telephony agent for inbound and outbound calls. Step-by-step guide to SIP, call automation, and real-time AI voice solutions.

Sumit So

Sumit So

14 Jul 2025 • 6 min read
ANNOUNCEMENT

Introducing "NAMO" Real-Time Speech AI Model: On-Device & Hybrid Cloud

VideoSDK revolutionizes industries with NAMO, the world's first open-source Real-Time Speech AI model, cutting costs 20x. Combining on-device and cloud efficiency, it ensures secure, fast AI interactions—empowering BFSI, Healthcare, and more to deploy powerful AI on everyday devices.

Arjun Kava

Arjun Kava

21 Mar 2025 • 3 min read
Introducing xAI Grok Real-Time Speech-to-Speech Plugin for VideoSDK Agents
ai agents

Introducing xAI Grok Real-Time Speech-to-Speech Plugin for VideoSDK Agents

Build real-time voice and text agents with xAI’s Grok now natively integrated into VideoSDK Agents for multimodal, context-aware AI experiences.

Video SDK Team

Video SDK Team

22 Jan 2026 • 3 min read
Introducing the Nvidia Speech to Text Plugin in VideoSDK
ai agents

Introducing the Nvidia Speech to Text Plugin in VideoSDK

Learn how to integrate NVIDIA STT with the VideoSDK Agents SDK to generate fast, accurate, and production-ready transcriptions.

Video SDK Team

Video SDK Team

20 Jan 2026 • 2 min read
Introducing the MurfAI Text To Speech Plugin in VideoSDK
ai agents

Introducing the MurfAI Text To Speech Plugin in VideoSDK

Learn how to integrate Murf AI Text-to-Speech with VideoSDK Agents to generate natural, expressive, and low-latency voice output for AI agents.

Video SDK Team

Video SDK Team

20 Jan 2026 • 2 min read
Introducing the Nvidia Text to Speech Plugin in VideoSDK
ai agents

Introducing the Nvidia Text to Speech Plugin in VideoSDK

Learn how to integrate NVIDIA Riva TTS with the VideoSDK Agents SDK to deliver real-time, low-latency speech that makes AI voice agents sound natural, responsive, and production-ready.

Video SDK Team

Video SDK Team

19 Jan 2026 • 2 min read
Introducing the Gladia Speech to Text Plugin in VideoSDK
plugins

Introducing the Gladia Speech to Text Plugin in VideoSDK

We’re introducing the Gladia Speech-to-Text plugin for VideoSDK. With multilingual support, instant partial results, and handling of mixed languages, it provides a reliable speech input layer for voice-driven applications.

Video SDK Team

Video SDK Team

16 Jan 2026 • 2 min read
Introducing Testing and Evaluation in AI Voice Agents
ai agents

Introducing Testing and Evaluation in AI Voice Agents

Learn how to run testing and evaluation for AI voice agents using the VideoSDK Agent SDK, including STT, LLM, and TTS benchmarking, latency metrics, and LLM-based response judging.

Video SDK Team

Video SDK Team

15 Jan 2026 • 3 min read
How to Build an AI Voice System Using Real-Time Multi-Agent Switching
ai agents

How to Build an AI Voice System Using Real-Time Multi-Agent Switching

In this blog you'll learn about how to build an AI systems with multi-agent switching that intelligently transfer control between specialized agents. Keep conversations natural, tasks organized, and users engaged by letting each agent focus on what it does best.

Video SDK Team

Video SDK Team

13 Jan 2026 • 3 min read
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