voip
8 articles
11 minVoicemail Detection for AI Phone Agents: A Developer Guide
Learn how voicemail detection works for AI phone agents, why it matters for outbound campaigns, and how to handle answering machines programmatically.
9 minVapi Alternative: Comparing AI Phone Agent Platforms for Developers
Looking for a Vapi alternative? Compare AI telephony platforms on pricing, latency, flexibility, and developer experience. Honest side-by-side breakdown.
7 minWhat Is SIP Trunking? A Guide for AI Voice Applications
Understand SIP trunking and how it connects AI voice applications to the phone network. Learn the architecture, benefits, and when you need it vs. a telephony API.
10 minVoIP AI: How Artificial Intelligence Is Transforming Voice Communication
Discover how AI is reshaping VoIP with real-time voice agents, smart call routing, and automated conversations. Learn to build AI-powered voice apps.
11 minWarm Transfer vs Cold Transfer: Smart Call Routing for AI Agents
Learn the difference between warm and cold call transfers, how AI phone agents handle each, and how to implement smart call routing with a telephony API.
12 minCall Analysis with AI: Extracting Insights from Every Phone Conversation
Use AI call analysis to extract transcripts, sentiment, outcomes, and actionable insights from every phone conversation. Developer guide with examples.
11 minAI Outbound Calls: Build Automated Calling Campaigns with an API
Build AI outbound calling campaigns that scale. Learn how to automate sales calls, follow-ups, and surveys with a telephony API and your own AI model.
8 minAI Cold Calling: How AI Phone Agents Are Replacing Manual Dialers
Learn how AI cold calling agents automate outbound sales calls, reduce costs, and scale faster than manual dialers. Build your own AI caller with BubblyPhone.