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Callin.io

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White-label AI voice agents for agencies and verticals like property management; low-latency calls that execute CRM workflows.

What it does

Callin.io provides white-label AI voice agents purpose-built for specific industries, letting businesses deploy autonomous voice AI for customer interactions and support automation without custom development. Its Neuron 1.0 ultra-low latency voice AI delivers sub-176 millisecond response times, while Cohuman Agents go beyond conversation to execute complete business processes: web navigation, ticketing systems, CRM updates, and email workflows. Solutions ship production-ready and fully customizable under your own brand, with custom domains, branded interfaces, and your pricing model. The platform offers multi-carrier support (Callin, Twilio, Telnyx, or SIP trunk), a 99.9% uptime SLA, GDPR and CCPA compliance, and end-to-end encrypted voice data. Vertical offerings include an AI voice platform for SaaS founders and agencies, an AI receptionist for property management, phone agents for realtors, and voice AI for smart cities and IT support.

How to use: Sign up for the free trial or book a demo. Upload your website, documents, and FAQs so the agent builds its knowledge base, then choose the voice and set transfer rules, hours, and priorities. Connect a new number, port your existing one, or link your PBX via SIP trunk, and integrate calendars and CRMs (Google Calendar, Outlook, HubSpot, WhatsApp, or custom systems via API and MCP).

Core features

  • ✦Neuron 1.0 ultra-low latency voice AI (sub-176ms response time)
  • ✦Cohuman Agents: autonomous workflow execution across web navigation, ticketing, CRM, and email
  • ✦White-label deployment with custom domains and branded interfaces
  • ✦Multi-carrier support: Callin, Twilio, Telnyx, or SIP trunk
  • ✦99.9% uptime SLA with carrier-grade redundancy
  • ✦GDPR and CCPA compliant, end-to-end encrypted voice data
  • ✦Pre-built integrations with enterprise CRM and ITSM systems

Use cases

  • →Launching a white-label AI voice product line for SaaS founders and agencies
  • →AI receptionist for property management
  • →AI phone agents for real estate agencies
  • →IT support call automation
  • →Voice AI for smart cities and municipal services