Twilio Voice is a cloud-based voice API platform that enables developers to build voice calling capabilities into applications. It provides scalable infrastructure for inbound and outbound calling with pay-as-you-go pricing.

Twilio Voice provides a flexible API for building voice applications with features like IVR, call routing, recording, and real-time speech recognition. While not a dedicated dialer, it serves as the foundation for custom dialer solutions and voice-enabled applications across enterprises.
Cloud communications API for programmable voice calls
G2 Rating
Starting Price
Funding
Carrier-owned communications and AI platform with global infrastructure
Founded
Telnyx is a next-gen communications platform providing voice, messaging, numbers, wireless, AI inference, networking, and storage on a privately operated global network. Founded in 2009 and headquartered in Chicago, it combines carrier-grade infrastructure with modern APIs.
Cloud business phone system starting at $25/month with power dialer
Starting Price
Toky is an affordable cloud-based phone system for startups and businesses of any size. It provides virtual phone numbers in 60+ countries with integrated power dialer, IVR, SMS, and reporting capabilities.
AI-powered embedded auto-dialer for sales engagement platforms
Founded
Trellus is an AI-native parallel dialer and sales coach that embeds directly into sales engagement platforms and CRMs. It automates calling activity and provides real-time guidance during calls.