Dial - Phone Numbers for AI Agents vs. Voximplant

Dial gives AI agents their own communication identity. Through a single REST API or MCP tool, agents can provision real US, Canadian, and international phone numbers and immediately send and receive SMS, WhatsApp messages, and voice calls - no carrier setup, no separate integrations for each channel. Dial is built for the agentic era, where AI agents increasingly need to act on behalf of users: signing up for services, completing 2FA/OTP verification, placing outbound calls with a local caller ID, and handling inbound communication across every channel.

Voximplant is a voice AI orchestration platform and CPaaS for building voice agents and other communication services, from AI receptionists and appointment reminders to contact centers, cloud PBX and in-app calling. It runs on a proprietary telephony network that carries 5 billion calls a year, so teams can focus on building voice agents while Voximplant handles scaling and reliability. At its core, Voximplant is serverless. You sign up, buy a phone number and upload your call logic in JavaScript to the Voximplant cloud.