GlobCall – Agentic AI voice agents that make real international calls
Web-based VoIP with AI agent support competing against Skype and Twilio.

Calling bots sound cool until you realize regulatory risk and limited moat.
Consumers, billing optimization startups, customer retention platforms
Trim · Rakuten
Web-based VoIP with AI agent support competing against Skype and Twilio.
Browser VoIP with 10k users pivots to agentic AI voice agents for outreach.
CTF-style flags for voice prompt injection make learning LLM security actually fun.
Seven unanswered audio alerts trigger a phone call — works through iPhone Silent Mode.
TwiML polling trades latency for zero-dependency simplicity—no WebSocket server or external STT/TTS APIs.
Native SIP speech-to-speech cuts latency vs. STT-LLM-TTS chains.