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15 articles
8 minDTMF vs Voice Recognition: When to Use Each for AI Phone Agents
When to use DTMF keypad input versus voice recognition in AI phone agents. A practical guide to the trade-offs, the hybrid pattern, and the cases where each wins.
7 minLocal vs Toll-Free Numbers for AI Phone Agents: Which to Use When
The real difference between local and toll-free phone numbers for AI phone agents. Answer rate data, cost comparison, and when each type actually makes sense.
9 minHow to Buy an AI Phone Number: Providers, Pricing, and Pitfalls
A practical guide to buying a phone number for an AI voice agent. Provider comparison, pricing breakdown, country coverage, and the pitfalls that catch most buyers.
9 minHow AI Voice Bots Qualify Leads Automatically (and Where They Fail)
A practical guide to automated lead qualification with AI voice agents. The right questions to ask, the scoring patterns that work, and the failure modes to avoid.
9 min8 KPIs Every AI Outbound Calling Campaign Should Track
The metrics that actually tell you whether your AI outbound calling campaign is working. Connection rate, qualification rate, conversion, and five more that matter.
9 minContact Center Automation Trends for 2026: What Actually Matters
The AI hype era is over. Here are the contact center automation trends that actually matter in 2026: agentic AI, voice agents, CCaaS consolidation, and the risks.
8 minIs It Legal to Record Phone Calls? A 2026 State-by-State Guide
Federal law allows one-party consent. 12 US states require all-party consent. Learn which states, how to stay compliant, and what it means for AI phone agents.
8 minVoice App Development: A Complete Guide to Building AI Phone Agents
A complete developer guide to building AI voice applications. Learn the architecture, tools, and step-by-step process for creating AI phone agents.
10 minBackchanneling in Voice AI: Why the Small Sounds Matter
Backchanneling is why AI voice agents either feel human or feel broken. Learn what it is, the research behind it, and how to implement it in real systems.
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.
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.
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.